merged main repo with local

200 files changed, 10238 insertions, 29 deletions

diff --git a/2.3-1/src/c/CACSD/includes/lqr.h b/2.3-1/src/c/CACSD/includes/lqr.h
index 062d6e41..5b20ee83 100644
--- a/2.3-1/src/c/CACSD/includes/lqr.h
+++ b/2.3-1/src/c/CACSD/includes/lqr.h
@@ -17,7 +17,7 @@
 extern "C" {
 #endif
 
-void dlqra(double* sys, int sys_rows, int sys_cols, double* X, double* K);
+void dlqra(double* sys, int sys_rows, int sys_cols, double* Q, double* R, double* S, double* X, double* K);
 
 #ifdef  __cplusplus 
 } /* extern "C" */
diff --git a/2.3-1/src/c/CACSD/interfaces/int_lqr.h b/2.3-1/src/c/CACSD/interfaces/int_lqr.h
index e6f534fc..8deba90b 100644
--- a/2.3-1/src/c/CACSD/interfaces/int_lqr.h
+++ b/2.3-1/src/c/CACSD/interfaces/int_lqr.h
@@ -16,7 +16,14 @@
 extern "C" {
 #endif
 
-#define ss2lqrd2d2(in1,size1,out1,out2) dlqra(in1,size1[0],size1[1],out1,out2);
+#define ss2lqrd2d2(in1,size1,out1,out2) dlqra(in1,size1[0],size1[1],NULL,\
+				NULL,NULL,out1,out2);
+
+#define ss2d2d2lqrd2d2(in1,size1,in2,size2,in3,size3,out1,out2) dlqra(in1,\
+				size1[0],size1[1],in2,in3,NULL,out1,out2);
+
+#define ss2d2d2d2lqrd2d2(in1,size1,in2,size2,in3,size3,in4,size4,out1,out2) \
+				dlqra(in1,size1[0],size1[1],in2,in3,in4,out1,out2);
 
 #ifdef  __cplusplus
 } /* extern "C" */
diff --git a/2.3-1/src/c/CACSD/lqe/dlqea.c b/2.3-1/src/c/CACSD/lqe/dlqea.c
index 63f8d62d..e0be5b34 100644
--- a/2.3-1/src/c/CACSD/lqe/dlqea.c
+++ b/2.3-1/src/c/CACSD/lqe/dlqea.c
@@ -54,7 +54,7 @@ void dlqea(double* sys, int sys_rows, int sys_cols, double* X, double* K)
 
 	/*Calculate LQR gain*/
 	K_lqr = (double*) malloc(no_of_ip*no_of_st*sizeof(double));
-	dlqra(sys_lqr,sys_lqr_rows,sys_lqr_cols,X,K_lqr);
+	dlqra(sys_lqr,sys_lqr_rows,sys_lqr_cols,NULL,NULL,NULL,X,K_lqr);
 
 	dtransposea(K_lqr,sys_rows - no_of_st,no_of_st,K);
 }
\ No newline at end of file
diff --git a/2.3-1/src/c/CACSD/lqr/dlqra.c b/2.3-1/src/c/CACSD/lqr/dlqra.c
index 02ac1504..1440c3a8 100644
--- a/2.3-1/src/c/CACSD/lqr/dlqra.c
+++ b/2.3-1/src/c/CACSD/lqr/dlqra.c
@@ -22,7 +22,8 @@
 #include "schur.h"
 #include "matrixDivision.h" 
 
-void dlqra(double* sys, int sys_rows, int sys_cols, double* X, double* K)
+void dlqra(double* sys, int sys_rows, int sys_cols, double* Q, double* R, \
+            double* S, double* K, double* X)
 {
     int no_of_states, no_of_inputs, no_of_outputs, dom = 1;
     int row,col;
@@ -32,7 +33,7 @@ void dlqra(double* sys, int sys_rows, int sys_cols, double* X, double* K)
 
     double *A, *B, *C, *D;
     double *B_t, *C_t, *D_t;
-    double *Q, *R, *S;
+    //double *Q, *R, *S;
     double *Ri, *LA, *LE;
     double *BRi, *StRi, *S_t;
     double *buf1, *buf2, *buf3, *buf4, *buf5, *buf6;
@@ -90,20 +91,29 @@ void dlqra(double* sys, int sys_rows, int sys_cols, double* X, double* K)
 
     dom = (int)sys[(sys_rows*(sys_cols-2)) + no_of_states];
 
-    Q = (double*) malloc (no_of_states*no_of_states*sizeof(double));
-    R = (double*) malloc (no_of_inputs*no_of_inputs*sizeof(double));
-    S = (double*) malloc (no_of_inputs*no_of_states*sizeof(double));
-
     dtransposea(B,no_of_states,no_of_inputs,B_t);
     dtransposea(C,no_of_outputs,no_of_states,C_t);
     dtransposea(D,no_of_outputs,no_of_inputs,D_t);
 
-    dmulma(C_t,no_of_states,no_of_outputs,C,no_of_outputs,no_of_states,Q);
-    dmulma(D_t,no_of_inputs,no_of_outputs,D,no_of_outputs,no_of_inputs,R);
-    dmulma(D_t,no_of_inputs,no_of_outputs,C,no_of_outputs,no_of_states,S);
+    if(Q == NULL)
+    {/*If Q is not provided*/
+        Q = (double*) malloc (no_of_states*no_of_states*sizeof(double));
+        dmulma(C_t,no_of_states,no_of_outputs,C,no_of_outputs,no_of_states,Q);
+    }
+    
+    if(R == NULL)
+    {/*If R is not provided*/
+        R = (double*) malloc (no_of_inputs*no_of_inputs*sizeof(double));
+        dmulma(D_t,no_of_inputs,no_of_outputs,D,no_of_outputs,no_of_inputs,R);
+    }
 
-    /*Free up unwanted variables*/
+    if(S == NULL)
+    {/*If Q is not provided*/    
+        S = (double*) malloc (no_of_inputs*no_of_states*sizeof(double));
+        dmulma(D_t,no_of_inputs,no_of_outputs,C,no_of_outputs,no_of_states,S);
+    }
 
+    /*Free up unwanted variables*/
     free(C);
     free(C_t);
     free(D);
@@ -177,8 +187,8 @@ void dlqra(double* sys, int sys_rows, int sys_cols, double* X, double* K)
 
         /*Freeup umwanted variables*/
         free(A);    
-        free(Q);
-        free(R);
+        //free(Q);
+        //free(R);
         free(BRi);
         free(S_t);
         free(StRi);
@@ -278,7 +288,7 @@ void dlqra(double* sys, int sys_rows, int sys_cols, double* X, double* K)
         }
 
 
-        free(Q);
+        //free(Q);
         free(BRi);
         free(S_t);
         free(StRi);
@@ -316,7 +326,7 @@ void dlqra(double* sys, int sys_rows, int sys_cols, double* X, double* K)
 
          /*inv(B'XB+R)*/
         dmulma(B_t,no_of_inputs,no_of_states,X,no_of_states,no_of_states,buf3);
-        dmulma(buf3,no_of_inputs,no_of_states,B_t,no_of_states,no_of_inputs,buf6);
+        dmulma(buf3,no_of_inputs,no_of_states,B,no_of_states,no_of_inputs,buf6);
         dadda(buf6,no_of_inputs*no_of_inputs,R,no_of_inputs*no_of_inputs,buf5);
         dinverma(buf5,buf6,no_of_inputs);
         /*B'XA+S*/
@@ -333,14 +343,14 @@ void dlqra(double* sys, int sys_rows, int sys_cols, double* X, double* K)
 
         free(A);
         free(B);
-        free(R);
+        //free(R);
         free(buf5);
         free(buf6);
         
     }
 
     free(B_t);
-    free(S);
+    //free(S);
     free(wsmall);
     free(X12);
     free(phi12);
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sinc/dsinca.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sinc/dsinca.c
new file mode 100644
index 00000000..0cd24e96
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sinc/dsinca.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#include<stdio.h>
+#include<math.h>
+#include "sinc.h"
+#define PI 3.14159265358979
+void dsinca(double* sample,int size,double* oup)
+{
+	int j;
+	for(j=0;j<size;j++)
+	{
+	if(sample[j]==0)
+	{
+	oup[j]=1;
+	}
+	else
+	{
+	oup[j]=(sin(sample[j]))/(sample[j]);
+	}
+	}
+}
+/*
+int main()
+{
+	int n;
+	printf("Enter the length of the array");
+	scanf("%d",&n);
+	double arr[100000];
+	int i;
+	printf("Now enter the element of the array");
+	for(i=0;i<n;i++)
+	{
+	scanf("%ld",&arr[i]);
+	}
+	sinc(arr[],n);
+}
+*/
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sinc/int_sinc.h b/2.3-1/src/c/elementaryFunctions/Trigonometry/sinc/int_sinc.h
new file mode 100644
index 00000000..0dc969de
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sinc/int_sinc.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_SINC_H__
+#define __INT_SINC_H__
+
+#define d2sincd2(sample,size,oup) dsinca(sample,size,oup)
+
+#endif /* !__INT_SINC_H__! */
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sinc/sinc.h b/2.3-1/src/c/elementaryFunctions/Trigonometry/sinc/sinc.h
new file mode 100644
index 00000000..6a5c315b
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sinc/sinc.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __SINC_H__
+#define __SINC_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dsinca(double* sample,int size,double* oup);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __SINC_H__ */ 
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sinc/zsinca.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sinc/zsinca.c
new file mode 100644
index 00000000..ad7d095b
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sinc/zsinca.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#include<stdio.h>
+#include<math.h>
+#include "sinc.h"
+#include "sin.h"
+#include "doubleComplex.h"
+void zsinca(doubleComplex* sample,int size,doubleComplex* oup)
+{
+	int j;
+	for(j=0;j<size;j++)
+	{
+	if(sample[j]==0)
+	{
+	oup[j]==DoubleComplex(1,0);
+	}
+	else
+	{
+	oup[j]=zsins(sample[j])/sample[j];
+	}
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/discrete_mathematics/gcd/dgcda.c b/2.3-1/src/c/elementaryFunctions/discrete_mathematics/gcd/dgcda.c
new file mode 100644
index 00000000..a32ed773
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/discrete_mathematics/gcd/dgcda.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include "gcd.h"
+#include "types.h"
+
+void dgcda(double *in,int size,double *out)
+{
+	double a=in[0];
+	double b=in[1];
+	while(a!=b && a!=0 && b!=0)
+	{
+		if(a>b)
+		{
+			a=a-b;
+		}
+		else
+		{
+			b=b-a;
+		}
+	}
+	out[0]=b;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/discrete_mathematics/gcd/u8gcda.c b/2.3-1/src/c/elementaryFunctions/discrete_mathematics/gcd/u8gcda.c
new file mode 100644
index 00000000..3d586232
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/discrete_mathematics/gcd/u8gcda.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include<stdio.h>
+/* This is the "gcd" function , which takes two input. first
+  one is the array and the second one is the length of the array.
+  Now to calculate the gcd of two elements we fin the maximum of
+  the two elements, and then iterate from maximum value down to 1,
+  and check whether the particular value divides the two elements.
+  And in this way we can calculate the gcd of the whole array.
+*/
+#include "gcd.h"
+uint8 u8gcdua(uint8* in,int size)
+{
+
+  int temp;
+  if(size==1)
+  {
+    temp=*in;
+  }
+  else
+  {
+  int x=*in;
+  int y=*(in+1);
+  int max=(x>y)?x:y;
+  for(int i=max;i>=1;i--)
+  {
+    if(x%i==0 && y%i==0)
+    {
+      temp=i;
+      break;
+    }
+  }
+  for(int j=2;j<size;j++)
+  {
+    x=temp;
+    y=*(in+j);
+    max=(x>y)?x:y;
+    for(int i=max;i>=1;i--)
+    {
+      if(x%i==0 && y%i==0)
+      {
+        temp=i;
+        break;
+      }
+    }
+  }
+}
+
+  return temp;
+}
+
diff --git a/2.3-1/src/c/elementaryFunctions/discrete_mathematics/gcd/u8gcds.c b/2.3-1/src/c/elementaryFunctions/discrete_mathematics/gcd/u8gcds.c
new file mode 100644
index 00000000..75f831fc
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/discrete_mathematics/gcd/u8gcds.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include "gcd.h"
+#include "types.h"
+
+int8 u8gcds(int8 *in,int size)
+{
+	int a=in[0];
+	int b=in[1];
+	while(a!=b && a!=0 && b!=0)
+	{
+		if(a>b)
+		{
+			a=a-b;
+		}
+		else
+		{
+			b=b-a;
+		}
+	}
+	return b;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/discrete_mathematics/lcm/u8lcma.c b/2.3-1/src/c/elementaryFunctions/discrete_mathematics/lcm/u8lcma.c
new file mode 100644
index 00000000..56856e43
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/discrete_mathematics/lcm/u8lcma.c
@@ -0,0 +1,68 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include<stdio.h>
+/* This is the "lcm" function, accepting two inputs which are the array of integers
+    and second the size of the array. The algorithm works like this:
+    We take a temproary variable and store the lcm of the first two elements of the
+    array in it. Now using this temproary variable we recursively fin the lcm of
+    the whole array.
+    Now to fin the lcm of two elements we fin the maximum of the two elements and
+    check whether it is divisible by both the elements, if the condition is true we
+    get the lcm, else increase the maximum value by itself unless we get the lcm.
+*/
+#include "lcm.h"
+uint8 u8lcma(uint8* in,int size)
+{
+    long long int lcm_temp;
+    if(size==1)
+    {
+    lcm_temp=*in;
+    }
+    else
+    {
+    
+    int x1=*in;
+    int x2=*(in+1);
+    long long int max=(x1>x2)?x1:x2;
+    long long int i=max;
+    while(1)
+    {
+        if(i%x1==0 && i%x2==0)
+        {
+        lcm_temp=i;
+        break;
+        }
+        else
+        i+=max;
+    }
+    for(int j=2;j<size;j++)
+    {
+    x1=lcm_temp;
+    x2=*(in+j);
+    max=(x1>x2)?x1:x2;
+    i=max;
+    while(1)
+    {
+        if(i%x1==0 && i%x2==0)
+        {
+        lcm_temp=i;
+        break;
+        }
+        else
+        i+=max;
+    }
+    }
+    
+    }
+  return lcm_temp;
+}
+
diff --git a/2.3-1/src/c/elementaryFunctions/includes/gcd.h b/2.3-1/src/c/elementaryFunctions/includes/gcd.h
new file mode 100644
index 00000000..179eea0e
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/includes/gcd.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __GCD_H__
+#define __GCD_H__
+#include "types.h"
+
+ #ifdef __cplusplus
+ extern "C"{
+ #endif
+
+uint8 u8gcda(uint8* in,int size);
+
+ #ifdef __cplusplus
+ } /* extern "C" */
+ #endif
+
+#endif /*__GCD_H__*/
diff --git a/2.3-1/src/c/elementaryFunctions/includes/isreal.h b/2.3-1/src/c/elementaryFunctions/includes/isreal.h
new file mode 100644
index 00000000..0183ebce
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/includes/isreal.h
@@ -0,0 +1,30 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - INRIA - Bruno JOFRET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#ifndef __ISREAL_H__
+#define __ISREAL_H__
+
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+float sisreals(float a);
+
+double disreals(double a);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/2.3-1/src/c/elementaryFunctions/includes/lcm.h b/2.3-1/src/c/elementaryFunctions/includes/lcm.h
new file mode 100644
index 00000000..3a3e66fb
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/includes/lcm.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __LCM_H__
+#define __LCM_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+uint8 u8lcma(uint8* in,int size);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__LCM_H__*/
+
diff --git a/2.3-1/src/c/elementaryFunctions/includes/linspace.h b/2.3-1/src/c/elementaryFunctions/includes/linspace.h
index 92fe10e5..62d45015 100644
--- a/2.3-1/src/c/elementaryFunctions/includes/linspace.h
+++ b/2.3-1/src/c/elementaryFunctions/includes/linspace.h
@@ -21,8 +21,11 @@ extern "C" {
 
 EXTERN_ELEMFUNCT void  dlinspaces(double low_limit,double up_limit,double range_num, double* out);
 
+EXTERN_ELEMFUNCT void  slinspaces(float low_limit,float up_limit,float range_num, float* out);
+
 EXTERN_ELEMFUNCT void  dlinspacea(double *low_limit,int row,double *up_limit,double range_num, double* out);
 
+EXTERN_ELEMFUNCT void  slinspacea(float *low_limit,int row,float *up_limit,float range_num, float* out);
 
 
 
diff --git a/2.3-1/src/c/elementaryFunctions/includes/nextpow2.h b/2.3-1/src/c/elementaryFunctions/includes/nextpow2.h
new file mode 100644
index 00000000..c86bea01
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/includes/nextpow2.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#ifndef __NEXTPOW2_H__
+#define __NEXTPOW2_H__
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+void dnextpow2a(double *in,int size,double *out);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
+
diff --git a/2.3-1/src/c/elementaryFunctions/includes/sec.h b/2.3-1/src/c/elementaryFunctions/includes/sec.h
index 96061583..a04c5f73 100644
--- a/2.3-1/src/c/elementaryFunctions/includes/sec.h
+++ b/2.3-1/src/c/elementaryFunctions/includes/sec.h
@@ -14,7 +14,7 @@
 #include "dynlib_elementaryfunctions.h"
 #include "floatComplex.h"
 #include "doubleComplex.h"
-#include <complex.h>
+//#include <complex.h>
 #include "types.h"
 
  #ifdef  __cplusplus
diff --git a/2.3-1/src/c/elementaryFunctions/includes/sinc.h b/2.3-1/src/c/elementaryFunctions/includes/sinc.h
new file mode 100644
index 00000000..8bc98d28
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/includes/sinc.h
@@ -0,0 +1,29 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __SINC_H__
+#define __SINC_H__
+#include "types.h"
+#include "doubleComplex.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dsinca(double* sample,int size,double* oup);
+void zsinca(doubleComplex* sample,int size,doubleComplex* oup);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __SINC_H__ */ 
diff --git a/2.3-1/src/c/elementaryFunctions/interfaces/int_gcd.h b/2.3-1/src/c/elementaryFunctions/interfaces/int_gcd.h
new file mode 100644
index 00000000..f3e117c5
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/interfaces/int_gcd.h
@@ -0,0 +1,25 @@
+ /* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __INT_GCD_H__
+#define __INT_GCD_H__
+
+ #ifdef __cplusplus
+ extern "C" {
+ #endif
+
+#define u82gcdu80(in,size) u8gcda(in,size[1])
+
+ #ifdef __cplusplus
+ } /* extern "C" */
+ #endif
+
+#endif /*__INT_GCD_H__*/
diff --git a/2.3-1/src/c/elementaryFunctions/interfaces/int_isreal.h b/2.3-1/src/c/elementaryFunctions/interfaces/int_isreal.h
new file mode 100644
index 00000000..cebbf6db
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/interfaces/int_isreal.h
@@ -0,0 +1,22 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+
+#ifndef __INT_ISREAL_H__
+#define __INT_ISREAL_H__
+
+#define s0isreals0(in)			sisreals(in)
+
+#define d0isreald0(in)                  disreals(in)
+
+#endif
diff --git a/2.3-1/src/c/elementaryFunctions/interfaces/int_lcm.h b/2.3-1/src/c/elementaryFunctions/interfaces/int_lcm.h
new file mode 100644
index 00000000..2ef1a081
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/interfaces/int_lcm.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+
+
+#ifndef __INT_LCM_H__
+#define __INT_LCM_H__
+ #ifdef __cplusplus
+ extern "C" {
+ #endif
+
+#define u82lcmu80(in,size) u8lcma(in,size[1])
+
+ #ifdef __cplusplus
+ } /* extern "C" */
+ #endif
+
+#endif /* !__INT_LCM_H__ */
diff --git a/2.3-1/src/c/elementaryFunctions/interfaces/int_linspace.h b/2.3-1/src/c/elementaryFunctions/interfaces/int_linspace.h
index f8af947a..15ea2696 100644
--- a/2.3-1/src/c/elementaryFunctions/interfaces/int_linspace.h
+++ b/2.3-1/src/c/elementaryFunctions/interfaces/int_linspace.h
@@ -15,6 +15,10 @@
 
 #define d0d0d0linspaced2(in1,in2,in3,out) dlinspaces(in1,in2,in3,out)
 
+#define s0s0s0linspaces2(in1,in2,in3,out) slinspaces(in1,in2,in3,out)
+
 #define d2d2d0linspaced2(in1,size1,in2,size2,in3,out) dlinspacea(in1,size1[0],in2,in3,out)
 
+#define s2s2s0linspaces2(in1,size1,in2,size2,in3,out) slinspacea(in1,size1[0],in2,in3,out)
+
 #endif 
diff --git a/2.3-1/src/c/elementaryFunctions/interfaces/int_nextpow2.h b/2.3-1/src/c/elementaryFunctions/interfaces/int_nextpow2.h
new file mode 100644
index 00000000..6ae4747b
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/interfaces/int_nextpow2.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+/* THIS IS AN AUTOMATICALLY GENERATED FILE : DO NOT EDIT BY HAND. */
+
+
+#ifndef __INT_NEXTPOW2_H__
+#define __INT_NEXTPOW2_H__
+
+
+#include "nextpow2.h"
+
+#define d0nextpow2d0(in,size,out)		dnextpow2a(in,size[0]*size[1],out)
+
+#define d2nextpow2d2(in,size,out)		dnextpow2a(in,size[0]*size[1],out)
+
+#endif
diff --git a/2.3-1/src/c/elementaryFunctions/interfaces/int_sinc.h b/2.3-1/src/c/elementaryFunctions/interfaces/int_sinc.h
new file mode 100644
index 00000000..35a519db
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/interfaces/int_sinc.h
@@ -0,0 +1,19 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_SINC_H__
+#define __INT_SINC_H__
+
+#define d2sincd2(sample,size,oup) dsinca(sample,size[1],oup)
+#define z2sincz2(sample,size,oup) zsinca(sample,size[1],oup)
+
+#endif /* !__INT_SINC_H__! */
diff --git a/2.3-1/src/c/elementaryFunctions/isreal/disreals.c b/2.3-1/src/c/elementaryFunctions/isreal/disreals.c
new file mode 100644
index 00000000..8c7c8201
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/isreal/disreals.c
@@ -0,0 +1,17 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include "isreal.h"
+
+double disreals(double a){
+	return 1;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/isreal/sisreals.c b/2.3-1/src/c/elementaryFunctions/isreal/sisreals.c
new file mode 100644
index 00000000..4b93c02c
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/isreal/sisreals.c
@@ -0,0 +1,17 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include "isreal.h"
+
+float sisreals(float a){
+	return 1;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/linspace/slinspacea.c b/2.3-1/src/c/elementaryFunctions/linspace/slinspacea.c
new file mode 100644
index 00000000..38af3942
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/linspace/slinspacea.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include <stdlib.h>
+#include "linspace.h"
+
+void slinspacea(float *low_limit,int _row,float *up_limit,float range_num,float *out)
+{
+   int i,j,k;
+   float temp;
+   float *step_iterate;  /* for each row the spacing between two values is different.*/
+   step_iterate = (float*) malloc((float)_row*sizeof(float));
+   for(i=0;i<_row;i++)
+   {
+    
+     step_iterate[i] = (up_limit[i]-low_limit[i])/(range_num-1);
+     
+   }
+   for(j=0;j < _row;j++)
+   {
+     out[j] = low_limit[j];  /* For every row first element is the first value of low_limit array*/
+     temp = low_limit[j];
+     for(k=1;k < (float)range_num;k++ )
+      {
+          out[(_row*k)+j] = temp + step_iterate[j];  /* Output matrix positions for 3 X 5 matrix are [0 3 6 9 12;1 4 7 10 13;2 5 8 11 14] so (_row*k)+j) used*/
+          temp = out[(_row*k)+j];
+          if(k == (float)range_num-1 )
+         {
+            out[(_row*k)+j] = (float)up_limit[j];  /* Last value of output is equal to first value of up_limit array*/
+         }  
+
+      }
+     
+ 
+   }
+   
+   
+     
+
+}
+
diff --git a/2.3-1/src/c/elementaryFunctions/linspace/slinspaces.c b/2.3-1/src/c/elementaryFunctions/linspace/slinspaces.c
new file mode 100644
index 00000000..2404f4de
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/linspace/slinspaces.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include "linspace.h"
+void slinspaces(float low_limit,float up_limit,float range_num,float *out)
+{
+   int j;
+   float temp = low_limit;
+   float step_iterate = (up_limit-low_limit)/(range_num-1);
+   out[0] = low_limit;   /*First value of output is equal to low_limit value*/
+   for(j=1; j<(float)range_num; j++) 
+   { 
+     out[j] = temp + step_iterate;
+     temp = out[j];
+     if(j == (float)range_num-1 )
+     {
+         out[j] = (float)up_limit;  /* Last value of output is equal to up_limit value*/
+     }
+   }
+   
+         
+
+}
+
diff --git a/2.3-1/src/c/elementaryFunctions/nextpow2/dnextpow2a.c b/2.3-1/src/c/elementaryFunctions/nextpow2/dnextpow2a.c
new file mode 100644
index 00000000..46f7eb80
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/nextpow2/dnextpow2a.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Organization: FOSSEE, IIT Bombay
+ Author: Ukasha Noor
+ Email: toolbox@scilab.in
+*/
+
+#include "nextpow2.h"
+#include <math.h>
+
+void dnextpow2a(double *in,int size,double *out)
+{
+	int i,j,s;
+	double k;
+	i=2;
+	for(s=0;s<size;s++)
+	{
+		j=-1;
+		do{
+			j++;	
+			k=pow(i,j);
+		}while(in[s]>k);
+		out[s]=j;
+	}
+}
diff --git a/2.3-1/src/c/interpolation/includes/interp1.h b/2.3-1/src/c/interpolation/includes/interp1.h
new file mode 100644
index 00000000..738bfe67
--- /dev/null
+++ b/2.3-1/src/c/interpolation/includes/interp1.h
@@ -0,0 +1,32 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifndef __INTERP1_H__
+#define __INTERP1_H__
+
+#include <string.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+
+//void dinterp13a(double *x,double *fx,double *q,int size,double *out);
+void dinterp13a(double *x,int size1,double *fx,int size2,double *q,int size3,char *a,int size4,double *out);
+
+void sinterp13a(float *x,int size1,float *fx,int size2,float *q,int size3,char *a,int size4,float *out);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/2.3-1/src/c/interpolation/interfaces/int_interp1.h b/2.3-1/src/c/interpolation/interfaces/int_interp1.h
new file mode 100644
index 00000000..07d8ece4
--- /dev/null
+++ b/2.3-1/src/c/interpolation/interfaces/int_interp1.h
@@ -0,0 +1,32 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+/* THIS IS AN AUTOMATICALLY GENERATED FILE : DO NOT EDIT BY HAND. */
+
+
+#ifndef __INT_INTERP1_H__
+#define __INT_INTERP1_H__
+
+#include "interp1.h"
+#include <string.h>
+
+#define d2d2d2interp1d2(x,size1,fx,size2,q,size3,out)           	dinterp13a(x,size1[0]*size1[1],fx,size2[0]*size2[1],q,size3[0]*size3[1],"linear",6,out)
+
+#define d2d2d2g2interp1d2(x,size1,fx,size2,q,size3,ch,size4,out)	dinterp13a(x,size1[0]*size1[1],fx,size2[0]*size2[1],q,size3[0]*size3[1],ch,size4[0]*size4[1],out)
+
+#define s2s2s2interp1s2(x,size1,fx,size2,q,size3,out)			sinterp13a(x,size1[0]*size1[1],fx,size2[0]*size2[1],q,size3[0]*size3[1],"linear",6,out)
+
+#define s2s2s2g2interp1s2(x,size1,fx,size2,q,size3,ch,size4,out)	sinterp13a(x,size1[0]*size1[1],fx,size2[0]*size2[1],q,size3[0]*size3[1],ch,size4[0]*size4[1],out)
+
+
+#endif
+
diff --git a/2.3-1/src/c/interpolation/interp1/dinterp13a.c b/2.3-1/src/c/interpolation/interp1/dinterp13a.c
new file mode 100644
index 00000000..7b755e1c
--- /dev/null
+++ b/2.3-1/src/c/interpolation/interp1/dinterp13a.c
@@ -0,0 +1,75 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "interp1.h"
+#include <string.h>
+
+void dinterp13a(double *x,int size1,double *fx,int size2,double *q,int size3,char *ch,int size4,double *out)
+{
+	int i,j,k,f;
+	double a,b;
+	if(strcmp(ch,"linear")==0)
+	{
+		for(i=0;i<size3;i++)
+		{
+			f=0;
+			for(j=0;j<size1;j++)
+			{
+				if(q[i]==x[j])
+				{
+					out[i]=fx[j];
+					f=1;
+					break;
+				}
+			}
+			if(f==0)
+			{
+				j=0;
+				while(q[i]>x[j])
+				{
+					j++;
+				}
+				a=x[j-1];
+				b=x[j];
+				out[i]=fx[j-1]+(q[i]-a)*((fx[j]-fx[j-1])/(b-a));
+			}
+		}
+	}
+	else if(strcmp(ch,"nearest")==0)
+	{
+		for(i=0;i<size3;i++)
+		{
+			f=0;
+			for(j=0;j<size1;j++)
+			{
+				if(q[i]==x[j])
+				{
+					out[i]=fx[j];
+					f=1;
+					break;
+				}
+			}
+			if(f==0)
+			{
+				j=0;
+				while(q[i]>x[j])
+				{
+					j++;
+				}
+				out[i]=fx[j];
+			}
+		}
+	}
+}
+			
+		
diff --git a/2.3-1/src/c/interpolation/interp1/sinterp13a.c b/2.3-1/src/c/interpolation/interp1/sinterp13a.c
new file mode 100644
index 00000000..b8cb0851
--- /dev/null
+++ b/2.3-1/src/c/interpolation/interp1/sinterp13a.c
@@ -0,0 +1,75 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "interp1.h"
+#include <string.h>
+
+void sinterp13a(float *x,int size1,float *fx,int size2,float *q,int size3,char *ch,int size4,float *out)
+{
+	int i,j,k,f;
+	float a,b;
+	if(strcmp(ch,"linear")==0)
+	{
+		for(i=0;i<size3;i++)
+		{
+			f=0;
+			for(j=0;j<size1;j++)
+			{
+				if(q[i]==x[j])
+				{
+					out[i]=fx[j];
+					f=1;
+					break;
+				}
+			}
+			if(f==0)
+			{
+				j=0;
+				while(q[i]>x[j])
+				{
+					j++;
+				}
+				a=x[j-1];
+				b=x[j];
+				out[i]=fx[j-1]+(q[i]-a)*((fx[j]-fx[j-1])/(b-a));
+			}
+		}
+	}
+	else if(strcmp(ch,"nearest")==0)
+	{
+		for(i=0;i<size3;i++)
+		{
+			f=0;
+			for(j=0;j<size1;j++)
+			{
+				if(q[i]==x[j])
+				{
+					out[i]=fx[j];
+					f=1;
+					break;
+				}
+			}
+			if(f==0)
+			{
+				j=0;
+				while(q[i]>x[j])
+				{
+					j++;
+				}
+				out[i]=fx[j];
+			}
+		}
+	}
+}
+			
+		
diff --git a/2.3-1/src/c/linearAlgebra/bdiag/dbdiaga.c b/2.3-1/src/c/linearAlgebra/bdiag/dbdiaga.c
new file mode 100644
index 00000000..fd455ba7
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/bdiag/dbdiaga.c
@@ -0,0 +1,23 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+/*This function performs the block-diagonalization of matrix A.*/
+
+/*--------------------------------------------------------------------------*/
+/* [Ab [,X [,bs]]]=bdiag(A [,rMax]) */
+/*--------------------------------------------------------------------------*/
+
+#include <stdio.h>
+#include "string.h"
+#include "stdlib.h"
+#include "lapack.h"
+
diff --git a/2.3-1/src/c/linearAlgebra/hess/dhessa.c b/2.3-1/src/c/linearAlgebra/hess/dhessa.c
new file mode 100644
index 00000000..57f81b35
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/hess/dhessa.c
@@ -0,0 +1,81 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+/*This function finds the hessenberg form of a matrix A.*/
+
+#include "hess.h"
+#include <stdio.h>
+#include "string.h"
+#include "stdlib.h"
+#include "lapack.h"
+#include "matrixTranspose.h"
+#include "matrixMultiplication.h"
+
+extern int dgehrd_(int *, int *,int *,double *,int *,double *,double *,int *,int *);
+extern int dorghr_(int *, int *,int *,double *,int *,double *,double *,int *,int *);
+
+
+void dhessa(double *in1,int size,int nout,double *out1, double *out2){
+	int i,j,k;	
+	int N = size;
+	int ILO=1;
+	int IHI=N;
+	double *A;
+	int LDA=N;
+	double *TAU;
+	double *WORK;
+	int LWORK = N;
+	int INFO;
+	A = (double *)malloc((double)size*size*sizeof(double));
+	memcpy(A,in1,size*size*sizeof(double));
+	TAU = (double *)malloc((double)size*sizeof(double));
+	WORK = (double *)malloc((double)LWORK*sizeof(double));
+	dgehrd_(&N,&ILO,&IHI,A,&LDA,TAU,WORK,&N,&INFO);
+		
+	for(i=0;i<N;i++)
+		for(j=0;j<N;j++)
+			out2[i+j*N] = A[i+j*N];
+	
+	for(j=1;j<=N-2;j++){
+		for(i=j+2;i<=N;i++){
+			out2[(i-1)+(j-1)*N] = 0;
+		}
+	}
+	
+	if(nout > 1){
+		dorghr_(&N,&ILO,&IHI,A,&LDA,TAU,WORK,&LWORK,&INFO);
+		for(i=0;i<N;i++)
+			for(j=0;j<N;j++)
+				out1[i+j*N] = A[i+j*N];
+	}
+	
+	/*for(i=0;i<N;i++){
+		 for(j=0;j<N;j++){
+			if(i == j) out1[i+j*N]=1;			
+			else out1[i+j*N]=0;		
+		} 
+	}
+	double result[size*size];
+	for(i=IHI-2;i>=ILO-1;i--){
+		tau = TAU[i];
+		double V[size],v[size],v1[size*size];		
+		for(j=0;j<i;j++) V[j]=0;
+		V[j]=1*tau;
+		for(j=i+1;j<IHI;j++) V[j] = tau*A[j+i*N];	
+		dtransposea (V,N,1,v);
+		dmulma(V,N,1,v,1,N,v1);		
+		for(j=0;j<N;j++) for(k=0;k<N;k++) if(j == k) v1[j+k*N]--;
+		for(j=0;j<N;j++) for(k=0;k<N;k++) result[j+k*N] = out1[j+k*N];
+		dmulma(v1,N,N,result,N,N,out1);
+	}*/	
+	//out2 = NULL;
+}
diff --git a/2.3-1/src/c/linearAlgebra/includes/hess.h b/2.3-1/src/c/linearAlgebra/includes/hess.h
new file mode 100644
index 00000000..b9c53ded
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/includes/hess.h
@@ -0,0 +1,26 @@
+ /* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __HESS_H__
+#define __HESS_H__
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+void dhessa(double *in1,int size,int nout,double *out1,double *out2);
+
+#ifdef  __cplusplus 
+} /* extern "C" */
+#endif
+
+#endif /*__HESS_H__*/
diff --git a/2.3-1/src/c/linearAlgebra/includes/spec.h b/2.3-1/src/c/linearAlgebra/includes/spec.h
new file mode 100644
index 00000000..3cd0b186
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/includes/spec.h
@@ -0,0 +1,59 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+ 
+#ifndef __SPEC_H__
+#define __SPEC_H__
+
+#include "dynlib_matrixoperations.h"
+#include "doubleComplex.h"
+#include "floatComplex.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/* spec gives only the eigenvalues
+   If you want the eigenvalues and the eigenvectors, use spec2 */
+
+/* spec */
+#define sspecs(in) 	in
+#define dspecs(in) 	in
+#define cspecs(in) 	in
+#define zspecs(in) 	in
+
+EXTERN_MATOPS void sspeca(float* in, int rows, float* out);
+EXTERN_MATOPS void dspeca(double* in, int rows, double* out);
+EXTERN_MATOPS void cspeca(floatComplex* in, int rows, floatComplex* out);
+EXTERN_MATOPS void zspeca(doubleComplex* in, int rows,doubleComplex* out);
+
+
+
+/* spec2 */
+#define sspec2s(in,out)  	sspecs(1);*out=in; 
+#define dspec2s(in,out)  	dspecs(1);*out=in; 
+#define cspec2s(in,out)   	cspecs(FloatComplex(1,0));*out=FloatComplex(creals(in),cimags(in)); 
+#define zspec2s(in,out)  	zspecs(DoubleComplex(1,0));*out=DoubleComplex(zreals(in),zimags(in)); 
+
+EXTERN_MATOPS void sspec2a(float* in, int rows, float* eigenvalues,float* eigenvectors);
+EXTERN_MATOPS void dspec2a(double* in, int rows, double* eigenvalues,double* eigenvectors);
+EXTERN_MATOPS void cspec2a(floatComplex* in, int rows, floatComplex* eigenvalues,floatComplex* eigenvectors);
+EXTERN_MATOPS void zspec2a(doubleComplex* in, int rows,doubleComplex* eigenvalues,doubleComplex* eigenvectors);
+
+/*Edited by - Sandeep Gupta, IITB FOSSEE*/
+void dspec1a(double *in1,double *in2,int size,int nout,doubleComplex *out1,double *out2,doubleComplex *out3,doubleComplex *out4);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __SPEC_H__ */
diff --git a/2.3-1/src/c/linearAlgebra/includes/sva.h b/2.3-1/src/c/linearAlgebra/includes/sva.h
new file mode 100644
index 00000000..ea628a32
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/includes/sva.h
@@ -0,0 +1,29 @@
+ /* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __SVA_H__
+#define __SVA_H__
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+void dsvaa(int ninp,double *in1,int row,int col,double in2,double *out1, \
+	double *out2,double *out3);	
+
+#ifdef  __cplusplus 
+} /* extern "C" */
+#endif
+
+#endif /*__SVA_H__*/
+
diff --git a/2.3-1/src/c/linearAlgebra/includes/svd.h b/2.3-1/src/c/linearAlgebra/includes/svd.h
new file mode 100644
index 00000000..260b87fb
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/includes/svd.h
@@ -0,0 +1,30 @@
+ /* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __SVD_H__
+#define __SVD_H__
+#include "types.h"
+#include "doubleComplex.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+void dsvda(double *in1,int row,int col,double in2,double nout,double *out1, \
+	double *out2,double *out3);
+void zsvda(doubleComplex *in1,int row,int col,int in2,int nout, doubleComplex *out1,\
+		doubleComplex *out2,doubleComplex *out3);	
+
+#ifdef  __cplusplus 
+} /* extern "C" */
+#endif
+
+#endif /*__SVD_H__*/
diff --git a/2.3-1/src/c/linearAlgebra/interfaces/int_hess.h b/2.3-1/src/c/linearAlgebra/interfaces/int_hess.h
new file mode 100644
index 00000000..fb2ca720
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/interfaces/int_hess.h
@@ -0,0 +1,28 @@
+ /* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_HESS_H__
+#define __INT_HESS_H__
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d2hessd2(in1,size,out2) dhessa(in1,size[0],1,NULL,out2);
+#define d2hessd2d2(in1,size,out1,out2) dhessa(in1,size[0],2,out1,out2);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_HESS_H__*/
+
diff --git a/2.3-1/src/c/linearAlgebra/interfaces/int_spec.h b/2.3-1/src/c/linearAlgebra/interfaces/int_spec.h
new file mode 100644
index 00000000..8772a6a6
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/interfaces/int_spec.h
@@ -0,0 +1,79 @@
+/*
+ * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ * Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
+ * 
+ * This file must be used under the terms of the CeCILL.
+ * This source file is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution.  The terms
+ * are also available at    
+ * http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ * Edited - Sandeep Gupta (FOSSEE) - IIT Bombay 
+ */
+
+/* THIS IS AN AUTOMATICALLY GENERATED FILE : DO NOT EDIT BY HAND. */
+
+#ifndef __INT_SPEC_H__
+#define __INT_SPEC_H__
+
+/* Only eigenvalues */ 
+
+#define s0specc0(in)			FloatComplex  (sspecs(in)  , 0)
+
+#define d0specz0(in)			DoubleComplex ( dspecs(in) , 0)
+
+#define c0specc0(in)			cspecs(in)
+
+#define z0specz0(in)			zspecs(in)
+
+#define s2specc2(in,size,out)		{float* ZEROS;\
+						ZEROS=(float *)malloc((uint)(size[0]*size[0]*sizeof(float)));\
+						szerosa(ZEROS,size[0],size[0]);\
+						cspeca(FloatComplexMatrix(in,ZEROS,size[0]*size[0]), size[0], out);\
+						}
+
+#define d2specz2(in,size,out)		{double* ZEROS;\
+						ZEROS=(double *)malloc((uint)(size[0]*size[0]*sizeof(double)));\
+						dzerosa(ZEROS,size[0],size[0]);\
+						zspeca(DoubleComplexMatrix(in,ZEROS,size[0]*size[0]), size[0] , out);\
+						}
+
+#define c2specc2(in,size,out)		cspeca(in, size[0], out)
+
+#define z2specz2(in,size,out)		zspeca(in, size[0], out)
+
+/* Eigenvalues and eigenvectors */
+
+#define s0specc0c0(in,out)			cspec2s(FloatComplex( in,0) ,out)
+
+#define d0specz0z0(in,out)			zspec2s(DoubleComplex(in,0) ,out)
+
+#define c0specc0c0(in,out)			cspec2s(in,out)
+
+#define z0specz0z0(in,out)			zspec2s(in,out)
+
+#define s2specc2c2(in,size,out1,out2)		{float* ZEROS;\
+						ZEROS=(float *)malloc((uint)(size[0]*size[0]*sizeof(float)));\
+						szerosa(ZEROS,size[0],size[0]);\
+						cspec2a(FloatComplexMatrix(in,ZEROS,size[0]*size[0]), size[0] , out1 , out2 );\
+						}
+
+#define d2specz2z2(in,size,out1,out2)		{double* ZEROS;\
+						ZEROS=(double *)malloc((uint)(size[0]*size[0]*sizeof(double)));\
+						dzerosa(ZEROS,size[0],size[0]);\
+						zspec2a(DoubleComplexMatrix(in,ZEROS,size[0]*size[0]), size[0] , out1 , out2 );\
+						}
+
+
+#define c2specc2c2(in,size,out1,out2)		cspec2a(in, size[0], out2, out1)
+
+#define z2specz2z2(in,size,out1,out2)		zspec2a(in, size[0], out2, out1)
+
+/*Edited by Sandeep Gupta, IITB, FOSSEE Project.spec(A,B) */
+
+#define d2d2specz2(in1,size,in2,size2,out1) dspec1a(in1,in2,size[0],1,out1,NULL,NULL,NULL)
+#define d2d2specz2d2(in1,size,in2,size2,out1,out2) dspec1a(in1,in2,size[0],2,out1,out2,NULL,NULL)
+#define d2d2specz2d2z2(in1,size,in2,size2,out1,out2,out3) dspec1a(in1,in2,size[0],3,out1,out2,out3,NULL)
+#define d2d2specz2d2z2z2(in1,size,in2,size2,out1,out2,out3,out4) dspec1a(in1,in2,size[0],4,out1,out2,out3,out4)
+
+#endif /* !__INT_SPEC_H__ */
diff --git a/2.3-1/src/c/linearAlgebra/interfaces/int_sva.h b/2.3-1/src/c/linearAlgebra/interfaces/int_sva.h
new file mode 100644
index 00000000..4a2ec56b
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/interfaces/int_sva.h
@@ -0,0 +1,28 @@
+ /* Copyright (C) 2017 - IIT Bombay - FOSSEE
+ 
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_SVA_H__
+#define __INT_SVA_H__
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d2svad2d2d2(in1,size,out1,out2,out3) dsvaa(1,in1,size[0],size[1],0,out1,out2,out3);
+#define d2d0svad2d2d2(in1,size1,in2,size2,out1,out2,out3) dsvaa(2,in1,size1[0],size1[1],in2,out1,out2,out3);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_SVA_H__*/
+
diff --git a/2.3-1/src/c/linearAlgebra/interfaces/int_svd.h b/2.3-1/src/c/linearAlgebra/interfaces/int_svd.h
new file mode 100644
index 00000000..449ee741
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/interfaces/int_svd.h
@@ -0,0 +1,31 @@
+ /* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_SVD_H__
+#define __INT_SVD_H__
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d2svdd2(in1,size1,out1) dsvda(in1,size1[0],size1[1],0,1,out1,NULL,NULL)
+#define d2g2svdd2d2d2(in1,size1,in2,size2,out1,out2,out3) dsvda(in1,size1[0],size1[1],1,3,out1,out2,out3);
+#define d2svdd2d2d2(in1,size1,out1,out2,out3) dsvda(in1,size1[0],size1[1],0,3,out1,out2,out3);
+#define z2svdz2(in1,size1,out2) zsvda(in1,size1[0],size1[1],0,1,NULL,out2,NULL);
+#define z2g2svdz2z2z2(in1,size1,in2,size2,out1,out2,out3) zsvda(in1,size1[0],size1[1],1,3,out1,out2,out3);
+#define z2svdz2z2z2(in1,size1,out1,out2,out3) zsvda(in1,size1[0],size1[1],0,3,out1,out2,out3);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_SVD_H__*/
diff --git a/2.3-1/src/c/linearAlgebra/pbig/pbig.c b/2.3-1/src/c/linearAlgebra/pbig/pbig.c
new file mode 100644
index 00000000..c13a942d
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/pbig/pbig.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+/*This function finds the hessenberg form of a matrix A.*/
+
+#include "schur.h"
+#include <stdio.h>
+#include "string.h"
+#include "stdlib.h"
+#include "lapack.h"
+
+//Projection on eigensubspace associated with eigenvalues
+//with real part >= thres (flag='c') or with modulus >= thres (flag='d')
+//Projection is defined by Q*M. Eigenvalues of M*A*Q = eigenvalues
+//of A with real part >= thres (case 'c',...).
+//If [Q1,M1]== full rank factorization (fullrf) of eye-Q*M then evals of
+// M1*A*Q1 = evals of A with real part < thres (case 'c',...).
+// See also psmall.
+//!
+
+void dpbiga(double *in1,int N,double *in2,double *in3,double *out1,double *out2){
+		
+
+
+
+}
diff --git a/2.3-1/src/c/linearAlgebra/schur/zgschura.c b/2.3-1/src/c/linearAlgebra/schur/zgschura.c
new file mode 100644
index 00000000..a49cbe51
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/schur/zgschura.c
@@ -0,0 +1,164 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+/*Fucntion to find generalised schur decomposition of given square complex matrices */
+
+#include "schur.h"
+#include "lapack.h"
+#include "stdlib.h"
+#include "string.h"
+#include <math.h>
+#include "doubleComplex.h"
+#include "matrixTranspose.h"
+
+/*flag  --> 0: nothing
+		--> 1: continuous
+		--> 2: discrete
+*/
+
+lapack_logical selctg21( doubleComplex* in1, doubleComplex* in2, doubleComplex* in3);
+lapack_logical selctg22( doubleComplex* in1, doubleComplex* in2, doubleComplex* in3);
+
+doubleComplex dgschura(doubleComplex* in1, int size, doubleComplex* in2, int flag, int nout, \
+			doubleComplex* out1, doubleComplex* out2, doubleComplex* out3, doubleComplex* out4)
+{
+	char JOBVSL = 'N';
+	char JOBVSR = 'N';
+	char SORT = 'N';
+	int SDIM = 0;
+	int LDVSL = size, LDVSR = size;
+    int LWORK = 2*size, INFO;
+	doubleComplex *ALPHA, *BETA, *VSL, *VSR, *WORK;
+	double *RWORK;
+	int *BWORK;
+	doubleComplex ret = 0;
+	doubleComplex *buf1, *buf2; /*input is copied to buf, since lapack function directly
+	modifies the input variable*/
+	
+	/*Used incase of flag > 0*/ 
+	LAPACK_D_SELECT3 selctg = &selctg21;  
+
+	if(nout >= 2){
+		 JOBVSL = 'V';
+		 JOBVSR = 'V';
+	}
+	if(flag > 0) SORT = 'S';
+
+	buf1   = (doubleComplex*) malloc((doubleComplex) size*size*sizeof(doubleComplex));
+	buf2   = (doubleComplex*) malloc((doubleComplex) size*size*sizeof(doubleComplex));
+	ALPHA = (doubleComplex*) malloc((doubleComplex) size*sizeof(doubleComplex));
+	RWORK = (double *)malloc((double)8*size*sizeof(double));
+	BETA   = (doubleComplex*) malloc((doubleComplex) size*sizeof(doubleComplex));
+	VSL = (doubleComplex*) malloc((doubleComplex) LDVSL*size*sizeof(doubleComplex));
+	VSR = (doubleComplex*) malloc((doubleComplex) LDVSR*size*sizeof(doubleComplex));
+	WORK = (doubleComplex*) malloc((doubleComplex) LWORK*sizeof(doubleComplex));
+	BWORK = (int*) malloc((doubleComplex) size*sizeof(doubleComplex));
+
+
+	memcpy(buf1,in1,size*size*sizeof(doubleComplex));
+	memcpy(buf2,in2,size*size*sizeof(doubleComplex));
+	
+	zgges_(&JOBVSL,&JOBVSR,&SORT,selctg,&size,buf1,&size,buf2,&size,&SDIM, \
+			ALPHA,BETA,VSL,&LDVSL,VSR,&LDVSR,WORK,&LWORK,RWORK,BWORK,&INFO);
+
+	/*if (INFO != 0) 
+	{
+		out1 = NULL;
+		return 0;
+	}*/
+
+	if(nout == 1)
+	{
+		return(SDIM);
+	}
+	else if(nout == 2)
+	{
+		if(flag == 0)
+		{
+			/*copy in1 to out1 and in2 to out2*/
+			memcpy(out1,buf1,size*size*sizeof(doubleComplex));
+			memcpy(out2,buf2,size*size*sizeof(doubleComplex));
+		}
+		else
+		{
+			/*copy VSR to out1 and return SDIM */
+			memcpy(out1,VSR,size*size*sizeof(doubleComplex));
+			ret = SDIM;
+		}
+	}
+	else if(nout == 3) 
+	{
+		/*copy VSL to out1, VSR to out2, return SDIM*/
+		memcpy(out1,VSL,size*size*sizeof(doubleComplex));
+		memcpy(out2,VSR,size*size*sizeof(doubleComplex));
+		ret = SDIM;
+	}
+	else if(nout == 4)
+	{
+		if(flag == 0)
+		{
+			/*copy in1 to out1 and in2 to out2*/
+			memcpy(out1,buf1,size*size*sizeof(doubleComplex));
+			memcpy(out2,buf2,size*size*sizeof(doubleComplex));
+			/*copy VSL to out3 and VSR to out4*/
+			memcpy(out3,VSL,size*size*sizeof(doubleComplex));
+			memcpy(out4,VSR,size*size*sizeof(doubleComplex));
+		}
+		else
+		{
+			/*copy in1 to out1 and in2 to out2*/
+			memcpy(out1,buf1,size*size*sizeof(doubleComplex));
+			memcpy(out2,buf2,size*size*sizeof(doubleComplex));
+			/*copy VSR to out3 and return SDIM*/
+			memcpy(out3,VSR,size*size*sizeof(doubleComplex));
+			ret = SDIM;
+		}
+	}
+	else /*nout = 5*/
+	{
+		/*copy in1 to out1 and in2 to out2*/
+		memcpy(out1,buf1,size*size*sizeof(doubleComplex));
+		memcpy(out2,buf2,size*size*sizeof(doubleComplex));
+		/*copy VSL to out3 and VSR to out4*/
+		memcpy(out3,VSL,size*size*sizeof(doubleComplex));
+		memcpy(out4,VSR,size*size*sizeof(doubleComplex));
+		/*return SDIM*/
+		ret = SDIM;
+	}
+
+	free(buf1);
+	free(buf2);
+	free(VSL);
+	free(VSR);
+	free(ALPHA);
+	free(BETA);
+	free(WORK);
+	free(BWORK);
+
+	return ret;
+}
+
+lapack_logical selctg21(doubleComplex* in1, doubleComplex* in2,  doubleComplex* in3)
+{
+	if((sqrt(*in1**in1+*in2**in2)/ *in3) < 1)
+		return 1;
+	else 
+		return 0;
+}
+
+lapack_logical selctg22(doubleComplex* in1, doubleComplex* in2,  doubleComplex* in3)
+{
+	if((sqrt(*in1**in1+*in2**in2)/ *in3) < 1)
+		return 1;
+	else 
+		return 0;
+}
diff --git a/2.3-1/src/c/linearAlgebra/spec/Makefile.am b/2.3-1/src/c/linearAlgebra/spec/Makefile.am
new file mode 100644
index 00000000..90dbd0aa
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec/Makefile.am
@@ -0,0 +1,70 @@
+##
+##  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+##  Copyright (C) 2006-2008 - INRIA - Bruno JOFRET
+##
+##  This file must be used under the terms of the CeCILL.
+##  This source file is licensed as described in the file COPYING, which
+##  you should have received as part of this distribution.  The terms
+##  are also available at
+##  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+##
+##
+
+libSpec_la_CFLAGS =	-I $(top_builddir)/src/c/type \
+			-I $(top_builddir)/src/c/matrixOperations/includes \
+			-I $(top_builddir)/src/c/operations/includes \
+			-I $(top_builddir)/src/c/elementaryFunctions/includes\
+			-I $(top_builddir)/src/c/auxiliaryFunctions/includes
+
+
+instdir = $(top_builddir)/lib
+
+pkglib_LTLIBRARIES = libSpec.la
+
+HEAD = ../includes/spec.h
+
+libSpec_la_SOURCES = 	$(HEAD) \
+			sspeca.c \
+			dspeca.c \
+			cspeca.c \
+			zspeca.c
+
+
+############
+##  CHECK
+############
+
+
+check_PROGRAMS = 	testDoubleSpec    testFloatSpec
+
+check_LDADD =		$(top_builddir)/src/c/type/libDoubleComplex.la \
+			$(top_builddir)/src/c/type/libFloatComplex.la \
+			$(top_builddir)/src/c/elementaryFunctions/sqrt/libSqrt.la \
+			$(top_builddir)/src/fortran/lapack/libscilapack.la \
+			$(top_builddir)/src/fortran/blas/libsciblas.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/abs/libAbs.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/conj/libConj.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/sign/libSign.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/pythag/libPythag.la \
+			$(top_builddir)/src/c/operations/addition/libAddition.la \
+			$(top_builddir)/src/c/operations/multiplication/libMultiplication.la \
+			$(top_builddir)/src/c/matrixOperations/inversion/libMatrixInversion.la\
+			$(top_builddir)/src/c/matrixOperations/zeros/libMatrixZeros.la\
+			libSpec.la
+
+check_INCLUDES =	-I $(top_builddir)/src/c/type \
+			-I $(top_builddir)/src/c/matrixOperations/includes \
+			-I $(top_builddir)/src/c/operations/includes \
+			-I $(top_builddir)/src/c/elementaryFunctions/includes\
+			-I $(top_builddir)/src/c/auxiliaryFunctions/includes
+
+testDoubleSpec_SOURCES = testDoubleSpec.c
+testDoubleSpec_LDADD = $(check_LDADD)
+testDoubleSpec_CFLAGS = $(check_INCLUDES)
+
+testFloatSpec_SOURCES = testFloatSpec.c
+testFloatSpec_LDADD = $(check_LDADD)
+testFloatSpec_CFLAGS = $(check_INCLUDES)
+
+TESTS =		testDoubleSpec   testFloatSpec
+
diff --git a/2.3-1/src/c/linearAlgebra/spec/Makefile.in b/2.3-1/src/c/linearAlgebra/spec/Makefile.in
new file mode 100644
index 00000000..9c34c9e6
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec/Makefile.in
@@ -0,0 +1,755 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+check_PROGRAMS = testDoubleSpec$(EXEEXT) testFloatSpec$(EXEEXT)
+TESTS = testDoubleSpec$(EXEEXT) testFloatSpec$(EXEEXT)
+subdir = src/c/matrixOperations/spec
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/includes/machine.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
+am__install_max = 40
+am__nobase_strip_setup = \
+  srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'`
+am__nobase_strip = \
+  for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||"
+am__nobase_list = $(am__nobase_strip_setup); \
+  for p in $$list; do echo "$$p $$p"; done | \
+  sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
+  $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
+    if (++n[$$2] == $(am__install_max)) \
+      { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
+    END { for (dir in files) print dir, files[dir] }'
+am__base_list = \
+  sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
+  sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
+am__installdirs = "$(DESTDIR)$(pkglibdir)"
+LTLIBRARIES = $(pkglib_LTLIBRARIES)
+libSpec_la_LIBADD =
+am__objects_1 =
+am_libSpec_la_OBJECTS = $(am__objects_1) libSpec_la-sspeca.lo \
+	libSpec_la-dspeca.lo libSpec_la-cspeca.lo libSpec_la-zspeca.lo
+libSpec_la_OBJECTS = $(am_libSpec_la_OBJECTS)
+libSpec_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(libSpec_la_CFLAGS) \
+	$(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+am_testDoubleSpec_OBJECTS = testDoubleSpec-testDoubleSpec.$(OBJEXT)
+testDoubleSpec_OBJECTS = $(am_testDoubleSpec_OBJECTS)
+testDoubleSpec_DEPENDENCIES = $(check_LDADD)
+testDoubleSpec_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(testDoubleSpec_CFLAGS) \
+	$(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+am_testFloatSpec_OBJECTS = testFloatSpec-testFloatSpec.$(OBJEXT)
+testFloatSpec_OBJECTS = $(am_testFloatSpec_OBJECTS)
+testFloatSpec_DEPENDENCIES = $(check_LDADD)
+testFloatSpec_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(testFloatSpec_CFLAGS) \
+	$(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/includes
+depcomp = $(SHELL) $(top_srcdir)/config/depcomp
+am__depfiles_maybe = depfiles
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
+SOURCES = $(libSpec_la_SOURCES) $(testDoubleSpec_SOURCES) \
+	$(testFloatSpec_SOURCES)
+DIST_SOURCES = $(libSpec_la_SOURCES) $(testDoubleSpec_SOURCES) \
+	$(testFloatSpec_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+am__tty_colors = \
+red=; grn=; lgn=; blu=; std=
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
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+AMTAR = @AMTAR@
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+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+lt_ECHO = @lt_ECHO@
+mandir = @mandir@
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+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+libSpec_la_CFLAGS = -I $(top_builddir)/src/c/type \
+			-I $(top_builddir)/src/c/matrixOperations/includes \
+			-I $(top_builddir)/src/c/operations/includes \
+			-I $(top_builddir)/src/c/elementaryFunctions/includes\
+			-I $(top_builddir)/src/c/auxiliaryFunctions/includes
+
+instdir = $(top_builddir)/lib
+pkglib_LTLIBRARIES = libSpec.la
+HEAD = ../includes/spec.h
+libSpec_la_SOURCES = $(HEAD) \
+			sspeca.c \
+			dspeca.c \
+			cspeca.c \
+			zspeca.c
+
+check_LDADD = $(top_builddir)/src/c/type/libDoubleComplex.la \
+			$(top_builddir)/src/c/type/libFloatComplex.la \
+			$(top_builddir)/src/c/elementaryFunctions/sqrt/libSqrt.la \
+			$(top_builddir)/src/fortran/lapack/libscilapack.la \
+			$(top_builddir)/src/fortran/blas/libsciblas.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/abs/libAbs.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/conj/libConj.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/sign/libSign.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/pythag/libPythag.la \
+			$(top_builddir)/src/c/operations/addition/libAddition.la \
+			$(top_builddir)/src/c/operations/multiplication/libMultiplication.la \
+			$(top_builddir)/src/c/matrixOperations/inversion/libMatrixInversion.la\
+			$(top_builddir)/src/c/matrixOperations/zeros/libMatrixZeros.la\
+			libSpec.la
+
+check_INCLUDES = -I $(top_builddir)/src/c/type \
+			-I $(top_builddir)/src/c/matrixOperations/includes \
+			-I $(top_builddir)/src/c/operations/includes \
+			-I $(top_builddir)/src/c/elementaryFunctions/includes\
+			-I $(top_builddir)/src/c/auxiliaryFunctions/includes
+
+testDoubleSpec_SOURCES = testDoubleSpec.c
+testDoubleSpec_LDADD = $(check_LDADD)
+testDoubleSpec_CFLAGS = $(check_INCLUDES)
+testFloatSpec_SOURCES = testFloatSpec.c
+testFloatSpec_LDADD = $(check_LDADD)
+testFloatSpec_CFLAGS = $(check_INCLUDES)
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/c/matrixOperations/spec/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign src/c/matrixOperations/spec/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+install-pkglibLTLIBRARIES: $(pkglib_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	test -z "$(pkglibdir)" || $(MKDIR_P) "$(DESTDIR)$(pkglibdir)"
+	@list='$(pkglib_LTLIBRARIES)'; test -n "$(pkglibdir)" || list=; \
+	list2=; for p in $$list; do \
+	  if test -f $$p; then \
+	    list2="$$list2 $$p"; \
+	  else :; fi; \
+	done; \
+	test -z "$$list2" || { \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(pkglibdir)'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(pkglibdir)"; \
+	}
+
+uninstall-pkglibLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(pkglib_LTLIBRARIES)'; test -n "$(pkglibdir)" || list=; \
+	for p in $$list; do \
+	  $(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(pkglibdir)/$$f'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(pkglibdir)/$$f"; \
+	done
+
+clean-pkglibLTLIBRARIES:
+	-test -z "$(pkglib_LTLIBRARIES)" || rm -f $(pkglib_LTLIBRARIES)
+	@list='$(pkglib_LTLIBRARIES)'; for p in $$list; do \
+	  dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
+libSpec.la: $(libSpec_la_OBJECTS) $(libSpec_la_DEPENDENCIES) 
+	$(libSpec_la_LINK) -rpath $(pkglibdir) $(libSpec_la_OBJECTS) $(libSpec_la_LIBADD) $(LIBS)
+
+clean-checkPROGRAMS:
+	@list='$(check_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+testDoubleSpec$(EXEEXT): $(testDoubleSpec_OBJECTS) $(testDoubleSpec_DEPENDENCIES) 
+	@rm -f testDoubleSpec$(EXEEXT)
+	$(testDoubleSpec_LINK) $(testDoubleSpec_OBJECTS) $(testDoubleSpec_LDADD) $(LIBS)
+testFloatSpec$(EXEEXT): $(testFloatSpec_OBJECTS) $(testFloatSpec_DEPENDENCIES) 
+	@rm -f testFloatSpec$(EXEEXT)
+	$(testFloatSpec_LINK) $(testFloatSpec_OBJECTS) $(testFloatSpec_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libSpec_la-cspeca.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libSpec_la-dspeca.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libSpec_la-sspeca.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libSpec_la-zspeca.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testDoubleSpec-testDoubleSpec.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testFloatSpec-testFloatSpec.Po@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(COMPILE) -c $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(COMPILE) -c `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
+
+libSpec_la-sspeca.lo: sspeca.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec_la_CFLAGS) $(CFLAGS) -MT libSpec_la-sspeca.lo -MD -MP -MF $(DEPDIR)/libSpec_la-sspeca.Tpo -c -o libSpec_la-sspeca.lo `test -f 'sspeca.c' || echo '$(srcdir)/'`sspeca.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libSpec_la-sspeca.Tpo $(DEPDIR)/libSpec_la-sspeca.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='sspeca.c' object='libSpec_la-sspeca.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec_la_CFLAGS) $(CFLAGS) -c -o libSpec_la-sspeca.lo `test -f 'sspeca.c' || echo '$(srcdir)/'`sspeca.c
+
+libSpec_la-dspeca.lo: dspeca.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec_la_CFLAGS) $(CFLAGS) -MT libSpec_la-dspeca.lo -MD -MP -MF $(DEPDIR)/libSpec_la-dspeca.Tpo -c -o libSpec_la-dspeca.lo `test -f 'dspeca.c' || echo '$(srcdir)/'`dspeca.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libSpec_la-dspeca.Tpo $(DEPDIR)/libSpec_la-dspeca.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='dspeca.c' object='libSpec_la-dspeca.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec_la_CFLAGS) $(CFLAGS) -c -o libSpec_la-dspeca.lo `test -f 'dspeca.c' || echo '$(srcdir)/'`dspeca.c
+
+libSpec_la-cspeca.lo: cspeca.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec_la_CFLAGS) $(CFLAGS) -MT libSpec_la-cspeca.lo -MD -MP -MF $(DEPDIR)/libSpec_la-cspeca.Tpo -c -o libSpec_la-cspeca.lo `test -f 'cspeca.c' || echo '$(srcdir)/'`cspeca.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libSpec_la-cspeca.Tpo $(DEPDIR)/libSpec_la-cspeca.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='cspeca.c' object='libSpec_la-cspeca.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec_la_CFLAGS) $(CFLAGS) -c -o libSpec_la-cspeca.lo `test -f 'cspeca.c' || echo '$(srcdir)/'`cspeca.c
+
+libSpec_la-zspeca.lo: zspeca.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec_la_CFLAGS) $(CFLAGS) -MT libSpec_la-zspeca.lo -MD -MP -MF $(DEPDIR)/libSpec_la-zspeca.Tpo -c -o libSpec_la-zspeca.lo `test -f 'zspeca.c' || echo '$(srcdir)/'`zspeca.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libSpec_la-zspeca.Tpo $(DEPDIR)/libSpec_la-zspeca.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='zspeca.c' object='libSpec_la-zspeca.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec_la_CFLAGS) $(CFLAGS) -c -o libSpec_la-zspeca.lo `test -f 'zspeca.c' || echo '$(srcdir)/'`zspeca.c
+
+testDoubleSpec-testDoubleSpec.o: testDoubleSpec.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testDoubleSpec_CFLAGS) $(CFLAGS) -MT testDoubleSpec-testDoubleSpec.o -MD -MP -MF $(DEPDIR)/testDoubleSpec-testDoubleSpec.Tpo -c -o testDoubleSpec-testDoubleSpec.o `test -f 'testDoubleSpec.c' || echo '$(srcdir)/'`testDoubleSpec.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/testDoubleSpec-testDoubleSpec.Tpo $(DEPDIR)/testDoubleSpec-testDoubleSpec.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='testDoubleSpec.c' object='testDoubleSpec-testDoubleSpec.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testDoubleSpec_CFLAGS) $(CFLAGS) -c -o testDoubleSpec-testDoubleSpec.o `test -f 'testDoubleSpec.c' || echo '$(srcdir)/'`testDoubleSpec.c
+
+testDoubleSpec-testDoubleSpec.obj: testDoubleSpec.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testDoubleSpec_CFLAGS) $(CFLAGS) -MT testDoubleSpec-testDoubleSpec.obj -MD -MP -MF $(DEPDIR)/testDoubleSpec-testDoubleSpec.Tpo -c -o testDoubleSpec-testDoubleSpec.obj `if test -f 'testDoubleSpec.c'; then $(CYGPATH_W) 'testDoubleSpec.c'; else $(CYGPATH_W) '$(srcdir)/testDoubleSpec.c'; fi`
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/testDoubleSpec-testDoubleSpec.Tpo $(DEPDIR)/testDoubleSpec-testDoubleSpec.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='testDoubleSpec.c' object='testDoubleSpec-testDoubleSpec.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testDoubleSpec_CFLAGS) $(CFLAGS) -c -o testDoubleSpec-testDoubleSpec.obj `if test -f 'testDoubleSpec.c'; then $(CYGPATH_W) 'testDoubleSpec.c'; else $(CYGPATH_W) '$(srcdir)/testDoubleSpec.c'; fi`
+
+testFloatSpec-testFloatSpec.o: testFloatSpec.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testFloatSpec_CFLAGS) $(CFLAGS) -MT testFloatSpec-testFloatSpec.o -MD -MP -MF $(DEPDIR)/testFloatSpec-testFloatSpec.Tpo -c -o testFloatSpec-testFloatSpec.o `test -f 'testFloatSpec.c' || echo '$(srcdir)/'`testFloatSpec.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/testFloatSpec-testFloatSpec.Tpo $(DEPDIR)/testFloatSpec-testFloatSpec.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='testFloatSpec.c' object='testFloatSpec-testFloatSpec.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testFloatSpec_CFLAGS) $(CFLAGS) -c -o testFloatSpec-testFloatSpec.o `test -f 'testFloatSpec.c' || echo '$(srcdir)/'`testFloatSpec.c
+
+testFloatSpec-testFloatSpec.obj: testFloatSpec.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testFloatSpec_CFLAGS) $(CFLAGS) -MT testFloatSpec-testFloatSpec.obj -MD -MP -MF $(DEPDIR)/testFloatSpec-testFloatSpec.Tpo -c -o testFloatSpec-testFloatSpec.obj `if test -f 'testFloatSpec.c'; then $(CYGPATH_W) 'testFloatSpec.c'; else $(CYGPATH_W) '$(srcdir)/testFloatSpec.c'; fi`
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/testFloatSpec-testFloatSpec.Tpo $(DEPDIR)/testFloatSpec-testFloatSpec.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='testFloatSpec.c' object='testFloatSpec-testFloatSpec.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testFloatSpec_CFLAGS) $(CFLAGS) -c -o testFloatSpec-testFloatSpec.obj `if test -f 'testFloatSpec.c'; then $(CYGPATH_W) 'testFloatSpec.c'; else $(CYGPATH_W) '$(srcdir)/testFloatSpec.c'; fi`
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	set x; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+check-TESTS: $(TESTS)
+	@failed=0; all=0; xfail=0; xpass=0; skip=0; \
+	srcdir=$(srcdir); export srcdir; \
+	list=' $(TESTS) '; \
+	$(am__tty_colors); \
+	if test -n "$$list"; then \
+	  for tst in $$list; do \
+	    if test -f ./$$tst; then dir=./; \
+	    elif test -f $$tst; then dir=; \
+	    else dir="$(srcdir)/"; fi; \
+	    if $(TESTS_ENVIRONMENT) $${dir}$$tst; then \
+	      all=`expr $$all + 1`; \
+	      case " $(XFAIL_TESTS) " in \
+	      *[\ \	]$$tst[\ \	]*) \
+		xpass=`expr $$xpass + 1`; \
+		failed=`expr $$failed + 1`; \
+		col=$$red; res=XPASS; \
+	      ;; \
+	      *) \
+		col=$$grn; res=PASS; \
+	      ;; \
+	      esac; \
+	    elif test $$? -ne 77; then \
+	      all=`expr $$all + 1`; \
+	      case " $(XFAIL_TESTS) " in \
+	      *[\ \	]$$tst[\ \	]*) \
+		xfail=`expr $$xfail + 1`; \
+		col=$$lgn; res=XFAIL; \
+	      ;; \
+	      *) \
+		failed=`expr $$failed + 1`; \
+		col=$$red; res=FAIL; \
+	      ;; \
+	      esac; \
+	    else \
+	      skip=`expr $$skip + 1`; \
+	      col=$$blu; res=SKIP; \
+	    fi; \
+	    echo "$${col}$$res$${std}: $$tst"; \
+	  done; \
+	  if test "$$all" -eq 1; then \
+	    tests="test"; \
+	    All=""; \
+	  else \
+	    tests="tests"; \
+	    All="All "; \
+	  fi; \
+	  if test "$$failed" -eq 0; then \
+	    if test "$$xfail" -eq 0; then \
+	      banner="$$All$$all $$tests passed"; \
+	    else \
+	      if test "$$xfail" -eq 1; then failures=failure; else failures=failures; fi; \
+	      banner="$$All$$all $$tests behaved as expected ($$xfail expected $$failures)"; \
+	    fi; \
+	  else \
+	    if test "$$xpass" -eq 0; then \
+	      banner="$$failed of $$all $$tests failed"; \
+	    else \
+	      if test "$$xpass" -eq 1; then passes=pass; else passes=passes; fi; \
+	      banner="$$failed of $$all $$tests did not behave as expected ($$xpass unexpected $$passes)"; \
+	    fi; \
+	  fi; \
+	  dashes="$$banner"; \
+	  skipped=""; \
+	  if test "$$skip" -ne 0; then \
+	    if test "$$skip" -eq 1; then \
+	      skipped="($$skip test was not run)"; \
+	    else \
+	      skipped="($$skip tests were not run)"; \
+	    fi; \
+	    test `echo "$$skipped" | wc -c` -le `echo "$$banner" | wc -c` || \
+	      dashes="$$skipped"; \
+	  fi; \
+	  report=""; \
+	  if test "$$failed" -ne 0 && test -n "$(PACKAGE_BUGREPORT)"; then \
+	    report="Please report to $(PACKAGE_BUGREPORT)"; \
+	    test `echo "$$report" | wc -c` -le `echo "$$banner" | wc -c` || \
+	      dashes="$$report"; \
+	  fi; \
+	  dashes=`echo "$$dashes" | sed s/./=/g`; \
+	  if test "$$failed" -eq 0; then \
+	    echo "$$grn$$dashes"; \
+	  else \
+	    echo "$$red$$dashes"; \
+	  fi; \
+	  echo "$$banner"; \
+	  test -z "$$skipped" || echo "$$skipped"; \
+	  test -z "$$report" || echo "$$report"; \
+	  echo "$$dashes$$std"; \
+	  test "$$failed" -eq 0; \
+	else :; fi
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS)
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(pkglibdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-checkPROGRAMS clean-generic clean-libtool \
+	clean-pkglibLTLIBRARIES mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
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+install-exec-am: install-pkglibLTLIBRARIES
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+install-ps-am:
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+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
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+.MAKE: check-am install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-TESTS check-am clean \
+	clean-checkPROGRAMS clean-generic clean-libtool \
+	clean-pkglibLTLIBRARIES ctags distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-pkglibLTLIBRARIES install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags uninstall \
+	uninstall-am uninstall-pkglibLTLIBRARIES
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/2.3-1/src/c/linearAlgebra/spec/cspeca.c b/2.3-1/src/c/linearAlgebra/spec/cspeca.c
new file mode 100644
index 00000000..a2b6548b
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec/cspeca.c
@@ -0,0 +1,34 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+#include <stdlib.h>
+#include "spec.h"
+
+
+
+void cspeca(floatComplex* in, int rows, floatComplex* out){
+	/* As we use Lapack to find the eigenvalues, we must cast the floatComplex input into doubleComplex
+	and the doubleComplex output of dspeca into floatComplex*/
+	
+	int i;
+	doubleComplex* dblin;
+	doubleComplex* dblout;
+	
+	dblin=(doubleComplex*)malloc((unsigned int)(rows*rows)*sizeof(doubleComplex));
+	dblout=(doubleComplex*)malloc((unsigned int)rows*sizeof(doubleComplex));
+	
+	for (i=0;i<rows*rows;i++) dblin[i]=DoubleComplex((double)creals(in[i]),(double)cimags(in[i]));
+	
+	zspeca(dblin,rows,dblout);
+	
+	for (i=0;i<rows;i++) out[i]=FloatComplex((float)zreals(dblout[i]),(float)zimags(dblout[i]));
+}
diff --git a/2.3-1/src/c/linearAlgebra/spec/dspec1a.c b/2.3-1/src/c/linearAlgebra/spec/dspec1a.c
new file mode 100644
index 00000000..28440be6
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec/dspec1a.c
@@ -0,0 +1,176 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+/*This function finds the hessenberg form of a matrix A.*/
+
+#include "spec.h"
+#include <stdio.h>
+#include "string.h"
+#include "stdlib.h"
+#include "lapack.h"
+#include "matrixTranspose.h"
+#include "matrixMultiplication.h"
+#include "doubleComplex.h"
+
+extern int dggev_(char *,char *,int *,double *,int *,double *,int *,double *,double *,double *,double *,int *,double *,int *,double *,int *,int *);
+
+void assembleEigenvectorsInPlace(int N,double *ALPHAI,double *EVreal,double *EVimg){
+	int j,i;
+	j=0;
+	while(j<N){
+		if(ALPHAI[j] == 0){
+			//printf(" * ");
+			j+=1;	
+		}	
+		else{	
+			int ij;
+			int ij1;
+			for(i=0;i<N;i++){
+				ij = i+j*N;
+				ij1 = i+(j+1)*N;	
+				EVimg[ij] = EVreal[ij1];
+				EVimg[ij1] = -EVreal[ij1];	
+				EVreal[ij1] = EVreal[ij];
+			}
+			j+=2;						
+		}
+	}
+}
+
+void dspec1a(double *in1,double *in2,int size,int nout,doubleComplex *out1,double *out2,doubleComplex *out3,doubleComplex *out4){
+	
+	int i,j;
+	char JOBVL;
+	char JOBVR;
+	int N=size;
+	
+	double *A;
+	int LDA=N;
+	A = (double *)malloc(N*N*sizeof(double));	
+	memcpy(A,in1,N*N*sizeof(double));
+	
+	double *B;
+	int LDB=N;
+	B = (double *)malloc(N*N*sizeof(double));
+	memcpy(B,in2,N*N*sizeof(double));	
+	
+	double *ALPHAR;
+	ALPHAR = (double *)malloc(N*sizeof(double));
+	
+	double *ALPHAI;
+	ALPHAI = (double *)malloc(N*sizeof(double));
+		
+	double *BETA;
+	BETA = (double *)malloc(N*sizeof(double));
+	
+	double *VL;
+	VL = (double *)malloc(N*N*sizeof(double));
+	
+	int LDVL=N;
+
+	double *VR;
+	VR = (double *)malloc(N*N*sizeof(double));
+	int LDVR=N;
+	
+	int LWORK=8*N;
+
+	double *WORK;
+	WORK = (double *)malloc(LWORK*sizeof(double));
+	
+	int INFO;
+	if(nout == 1){			/*out1 = spec(A,B)*/
+		JOBVL = 'N';
+		JOBVR = 'N';
+		dggev_(&JOBVL,&JOBVR,&N,A,&LDA,B,&LDB,ALPHAR,ALPHAI,BETA,VL,&LDVL,VR,&LDVR,WORK,&LWORK,&INFO);
+		for(i=0;i<N;i++){
+			out1[i] = DoubleComplex(ALPHAR[i]/BETA[i],ALPHAI[i]/BETA[i]);
+		}			
+	}
+	else if(nout == 2){		/*[out1,out2] = spec(A,B)*/
+		JOBVL = 'N';
+		JOBVR = 'N';
+		dggev_(&JOBVL,&JOBVR,&N,A,&LDA,B,&LDB,ALPHAR,ALPHAI,BETA,VL,&LDVL,VR,&LDVR,WORK,&LWORK,&INFO);
+		for(i=0;i<N;i++){
+			out1[i] = DoubleComplex(ALPHAR[i],ALPHAI[i]);		
+		}
+		memcpy(out2,BETA,N*sizeof(double));
+	}
+	else if(nout == 3){	 /* [out1,out2,out3] = spec(A,B) */
+		JOBVL = 'N';
+		JOBVR = 'V';	
+		dggev_(&JOBVL,&JOBVR,&N,A,&LDA,B,&LDB,ALPHAR,ALPHAI,BETA,VL,&LDVL,VR,&LDVR,WORK,&LWORK,&INFO);
+		for(i=0;i<N;i++){
+			out1[i] = DoubleComplex(ALPHAR[i],ALPHAI[i]);		
+		}	
+		memcpy(out2,BETA,N*sizeof(double));
+		
+		/*Because lapack routine doesn't give result in actual format, \
+			so we have to change the VR little-bit and then return the function */
+		
+		/*See the Scilab code || see the lapack subroutine libary - DGGEV where \
+			it is very explantory and explains all this.			
+		*/
+		double *EVimg;
+		EVimg = (double *)malloc(N*N*sizeof(double));
+		for(i=0;i<N;i++){
+			for(j=0;j<N;j++){
+				EVimg[i+j*N] = 0;					
+			}		
+		}		
+		assembleEigenvectorsInPlace(N,ALPHAI,VR,EVimg);		
+		for(i=0;i<N;i++){
+			for(j=0;j<N;j++){
+				out3[i+j*N] = DoubleComplex(VR[i+j*N],EVimg[i+j*N]);			
+			}		
+		}
+	}
+	else if(nout == 4){
+		JOBVL = 'V';
+		JOBVR = 'V';	
+
+		dggev_(&JOBVL,&JOBVR,&N,A,&LDA,B,&LDB,ALPHAR,ALPHAI,BETA,VL,&LDVL,VR,&LDVR,WORK,&LWORK,&INFO);
+
+		for(i=0;i<N;i++){
+			out1[i] = DoubleComplex(ALPHAR[i],ALPHAI[i]);		
+		}	
+
+		memcpy(out2,BETA,N*sizeof(double));
+		
+		double *EVimg;
+		EVimg = (double *)malloc(N*N*sizeof(double));
+		for(i=0;i<N;i++){
+			for(j=0;j<N;j++){
+				EVimg[i+j*N] = 0;					
+			}		
+		}		
+		assembleEigenvectorsInPlace(N,ALPHAI,VR,EVimg);		
+		for(i=0;i<N;i++){
+			for(j=0;j<N;j++){
+				out4[i+j*N] = DoubleComplex(VR[i+j*N],EVimg[i+j*N]);			
+			}		
+		}		
+		
+		double *EVimg1;
+		EVimg1 = (double *)malloc(N*N*sizeof(double));
+		for(i=0;i<N;i++){
+			for(j=0;j<N;j++){
+				EVimg1[i+j*N] = 0;			
+			}		
+		}		
+		assembleEigenvectorsInPlace(N,ALPHAI,VL,EVimg1);
+		for(i=0;i<N;i++){
+			for(j=0;j<N;j++){
+				out3[i+j*N] = DoubleComplex(VL[i+j*N],EVimg1[i+j*N]);			
+			}		
+		}
+	}
+}
diff --git a/2.3-1/src/c/linearAlgebra/spec/dspeca.c b/2.3-1/src/c/linearAlgebra/spec/dspeca.c
new file mode 100644
index 00000000..1131ecf2
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec/dspeca.c
@@ -0,0 +1,71 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+#include <stdlib.h>
+#include "spec.h"
+#include "lapack.h"
+#include "zeros.h"
+#include "max.h"
+
+void dspeca(double* in, int rows,double* out){
+	int i=0, j=0;
+	int symmetric=0;
+	int INFO=0;
+	int iWorkSize = 0;
+	double* pdblWork;
+	double* outReal;
+	double* outImag;
+	double* pdblLeftvectors;
+	double* pdblRightvectors;
+	double* inCopy;
+	
+	inCopy = (double*)malloc((unsigned int)(rows*rows) * sizeof(double));
+	outReal = (double*)malloc((unsigned int)rows * sizeof(double));
+	outImag = (double*)malloc((unsigned int)rows * sizeof(double));
+	pdblLeftvectors=NULL;
+	pdblRightvectors=NULL;
+	
+	
+	iWorkSize = 3*rows;
+	pdblWork = (double*)malloc((unsigned int)iWorkSize * sizeof(double));
+	
+	for(i=0;i<rows*rows;i++) inCopy[i]=in[i];
+	/* look if the matrix is symmetric */
+	for (i=0;i<rows;i++)
+		for (j=0;j<rows;j++) 
+			if (in[i*rows+j]!=in[i+j*rows]) break;
+	
+	/* the matrix is symmetric if the 2 loops goes to end i.e
+		i==rows and j==rows */
+	if ((i==rows)&&(j==rows)) symmetric=1;
+	
+	
+	/* apply lapack function according to symmetry */
+	if(symmetric){		
+		C2F(dsyev)( "N", "U", &rows, in, &rows, outReal, pdblWork, &iWorkSize, &INFO );
+	}
+	else {
+		C2F(dgeev)( "N", "N", &rows, inCopy, &rows, outReal, outImag,
+        			pdblLeftvectors, &rows, pdblRightvectors, &rows, pdblWork, &iWorkSize, &INFO );
+	}
+	
+	for (i=0;i<rows;i++) out[i]=outReal[i];
+
+
+	free(inCopy);
+	free(outReal);
+	free(outImag);
+	free(pdblWork);
+	free(pdblLeftvectors);
+	free(pdblRightvectors);
+}
+
diff --git a/2.3-1/src/c/linearAlgebra/spec/sspeca.c b/2.3-1/src/c/linearAlgebra/spec/sspeca.c
new file mode 100644
index 00000000..50751a29
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec/sspeca.c
@@ -0,0 +1,34 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+#include <stdlib.h>
+#include "spec.h"
+
+
+
+void sspeca(float* in, int rows, float* out){
+	/* As we use Lapack to find the eigenvalues, we must cast the float input into double
+	and the doubleComplex output of dspeca into floatComplex*/
+	
+	int i;
+	double* dblin;
+	double* dblout;
+	
+	dblin=(double*)malloc((unsigned int)(rows*rows)*sizeof(double));
+	dblout=(double*)malloc((unsigned int)rows*sizeof(double));
+	
+	for (i=0;i<rows*rows;i++) dblin[i]=(double)in[i];
+	
+	dspeca(dblin,rows,dblout);
+	
+	for (i=0;i<rows;i++) out[i]=(float)dblout[i];
+}
diff --git a/2.3-1/src/c/linearAlgebra/spec/testDoubleSpec.c b/2.3-1/src/c/linearAlgebra/spec/testDoubleSpec.c
new file mode 100644
index 00000000..25c88065
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec/testDoubleSpec.c
@@ -0,0 +1,116 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+#include <stdlib.h>
+#include "spec.h" 
+#include "stdio.h"
+#include "assert.h"
+#include "math.h"
+
+static void dspecaTest(void){
+	double in[4]={1,1,1,3};
+	double resultR[2]={0.5857864376269050765700,3.4142135623730949234300};
+
+
+	double *out;
+	
+	int i;
+	
+	out=(double*)malloc((unsigned int)2*sizeof(double));
+		
+	dspeca(in,2,out);
+	for(i=0;i<2;i++){
+		if (out[i]>1e-16)  assert( fabs(out[i]-resultR[i]) / fabs(out[i]) <3e-16);
+		else assert(1);
+	}
+	
+}
+
+
+
+	
+static void zspecaTest(void){
+	double inR[4]={1,1,1,3};	
+	double inI[4]={0,0,0,0};
+	double resultR[2]={0.5857864376269050765700,3.4142135623730949234300};
+	double resultI[2]={0,0};
+	
+	double in2R[4]={1,1,-2,3};
+	double in2I[4]={0,0,0,0};
+	double result2R[2]={1.9999999999999997779554,1.9999999999999997779554};
+	double result2I[2]={0.9999999999999997779554,-0.9999999999999997779554};
+	
+	double in3R[16]={0.0603054538369178771973,0.631347181741148233414 ,0.0241030259057879447937,0.1527438252232968807221,
+	0.9481177683919668197632,0.2744265575893223285675,0.4794727200642228126526,0.485576837789267301559,
+	0.676400367170572280884,0.8321249918080866336823,0.0125875836238265037537,0.5453779897652566432953,
+	0.8426716942340135574341,0.9029165101237595081329,0.4409482078626751899719,0.8332359003834426403046 };
+	double in3I[16]={0.7233976423740386962891,0.4377150186337530612946,0.3080607382580637931824,0.8749813153408467769623,
+	0.5355882328003644943237 ,0.3085998897440731525421,0.3354632416740059852600,0.2342486302368342876434,
+	0.2589411698281764984131,0.8521509231068193912506,0.4821739485487341880798,0.6095217890106141567230,
+	0.9872822705656290054321,0.9811426815576851367950,0.3303113700821995735169,0.3589145573787391185761};
+	double result3R[4]={1.9486046375762748894545,0.2315060459861970343365,- 0.7694743345806510648188,- 0.2300808535483104266817};
+ 	double result3I[4]={2.1242015857341254303492,- 0.4115101262891645017561,- 0.1980716835789462781925,0.3584662621795701720195};
+ 	
+	doubleComplex *in,*in2,*in3,out[2],out2[4];
+	
+	int i;
+	
+	in=DoubleComplexMatrix(inR,inI,4);
+	in2=DoubleComplexMatrix(in2R,in2I,4);
+	in3=DoubleComplexMatrix(in3R,in3I,16);
+	
+	zspeca(in,2,out);
+	for(i=0;i<2;i++){
+		if (zreals(out[i])>1e-16)  assert( fabs(zreals(out[i])-resultR[i]) / fabs(zreals(out[i])) <3e-16);
+		else assert(1);
+		if (zimags(out[i])>1e-16)  assert( fabs(zimags(out[i])-resultI[i]) / fabs(zimags(out[i])) <1e-16);
+		else assert(1);
+	}
+	
+	
+	zspeca(in2,2,out);	
+	for(i=0;i<2;i++){
+		if (zreals(out[i])>1e-16)  assert( fabs(zreals(out[i])-result2R[i]) / fabs(zreals(out[i])) <3e-16);
+		else assert(1);
+		if (zimags(out[i])>1e-16)  assert( fabs(zimags(out[i])-result2I[i]) / fabs(zimags(out[i])) <3e-15);
+		else assert(1);
+	}	
+	
+	
+	zspeca(in3,4,out2);	
+	for(i=0;i<4;i++){
+		if (zreals(out2[i])>1e-16)  assert( fabs(zreals(out2[i])-result3R[i]) / fabs(zreals(out2[i])) <3e-15);
+		else assert(1);
+		if (zimags(out2[i])>1e-16)  assert( fabs(zimags(out2[i])-result3I[i]) / fabs(zimags(out2[i])) <3e-15);
+		else assert(1);
+	}	
+	
+	
+}
+
+
+static int testSpec(void){
+	printf(">>> Double Spec Tests <<<\n");
+	printf(">>> Double <<<\n");
+	dspecaTest();
+	printf(">>> DoubleComplex <<<\n");
+	zspecaTest();
+	return 0;
+}
+
+
+int main(void){
+	assert (testSpec()==0);
+
+	
+	return 0;
+}
diff --git a/2.3-1/src/c/linearAlgebra/spec/testFloatSpec.c b/2.3-1/src/c/linearAlgebra/spec/testFloatSpec.c
new file mode 100644
index 00000000..9bd46adc
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec/testFloatSpec.c
@@ -0,0 +1,110 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+#include <stdlib.h>
+#include "spec.h" 
+#include "stdio.h"
+#include "assert.h"
+#include "math.h"
+
+static void sspecaTest(void){
+	float in[4]={1.0f,1.0f,1.0f,3.0f};
+	float resultR[2]={0.5857864376269050765700f,3.4142135623730949234300f};
+
+	float in1[4]={0.0f,4.0f,1.0f,0.0f};
+	float result[2]={2.0f,-2.0f};
+	
+	float in2[4]={1.0f,1.0f,-2.0f,3.0f};
+	
+	float *out;
+	
+	int i;
+	
+	out=(float *)malloc((unsigned int)2*sizeof(float));
+		
+	sspeca(in,2,out);
+	for (i=0;i<2;i++)	printf("%f\n",out[i]);
+	for(i=0;i<2;i++){
+		if (out[i]>1e-16)  assert( fabs(out[i]-resultR[i]) / fabs(out[i]) <1e-16);
+		else assert(1);
+	}	
+	
+			
+	sspeca(in1,2,out);
+	for (i=0;i<2;i++)	printf("%f\n",out[i]);
+	for(i=0;i<2;i++){
+		if (out[i]>1e-16)  assert( fabs(out[i]-result[i]) / fabs(out[i]) <1e-16);
+		else assert(1);
+	}	
+	
+	sspeca(in2,2,out);
+	for (i=0;i<2;i++)	printf("%f\n",out[i]);
+
+}
+
+	
+static void cspecaTest(void){
+	float inR[4]={1.0f,1.0f,1.0f,3.0f};	
+	float inI[4]={0.0f,0.0f,0.0f,0.0f};
+	float resultR[2]={0.5857864376269050765700f,3.4142135623730949234300f};
+	float resultI[2]={0,0};
+	
+	float in2R[4]={1.0f,1.0f,-2.0f,3.0f};
+	float in2I[4]={0.0f,0.0f,0.0f,0.0f};
+	float result2R[2]={1.9999999999999997779554f,1.9999999999999997779554f};
+	float result2I[2]={0.9999999999999997779554f,-0.9999999999999997779554f};
+	
+	floatComplex *in,*in2,out[4];
+	
+	int i;
+	
+	in=FloatComplexMatrix(inR,inI,4);
+	in2=FloatComplexMatrix(in2R,in2I,4);
+	
+	cspeca(in,2,out);
+	for(i=0;i<2;i++){
+		if (creals(out[i])>1e-16)  assert( fabs(creals(out[i])-resultR[i]) / fabs(creals(out[i])) <1e-15);
+		else assert(1);
+		if (cimags(out[i])>1e-16)  assert( fabs(cimags(out[i])-resultI[i]) / fabs(cimags(out[i])) <1e-16);
+		else assert(1);
+	}
+	
+	
+	cspeca(in2,2,out);	
+	for(i=0;i<2;i++){
+		if (creals(out[i])>1e-16)  assert( fabs(creals(out[i])-result2R[i]) / fabs(creals(out[i])) <1e-15);
+		else assert(1);
+		if (cimags(out[i])>1e-16)  assert( fabs(cimags(out[i])-result2I[i]) / fabs(cimags(out[i])) <1e-15);
+		else assert(1);
+	}	
+	
+}
+
+
+
+
+static int testSpec(void){
+	printf(">>> Float Spec Tests <<<\n");
+	printf(">>> Float <<<\n");
+	sspecaTest();
+	printf(">>> FloatComplex <<<\n");
+	cspecaTest();
+	return 0;
+}
+
+
+int main(void){
+	assert (testSpec()==0);
+
+	
+	return 0;
+}
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new file mode 100644
index 00000000..f696bff4
--- /dev/null
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@@ -0,0 +1,178 @@
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new file mode 100644
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--- /dev/null
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new file mode 100644
index 00000000..0631bb40
--- /dev/null
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+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>

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+    <Link>

+      <OutputFile>$(SolutionDir)bin\$(ProjectName).exe</OutputFile>

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+    <ClCompile>

+      <Optimization>MaxSpeed</Optimization>

+      <IntrinsicFunctions>true</IntrinsicFunctions>

+      <AdditionalIncludeDirectories>../../../includes;../../../type;../../includes;../../../operations/includes;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>

+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>

+      <FunctionLevelLinking>true</FunctionLevelLinking>

+      <PrecompiledHeader>

+      </PrecompiledHeader>

+      <WarningLevel>Level3</WarningLevel>

+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>

+    </ClCompile>

+    <Link>

+      <OutputFile>$(SolutionDir)bin\$(ProjectName).exe</OutputFile>

+      <GenerateDebugInformation>true</GenerateDebugInformation>

+      <SubSystem>Console</SubSystem>

+      <OptimizeReferences>true</OptimizeReferences>

+      <EnableCOMDATFolding>true</EnableCOMDATFolding>

+      <TargetMachine>MachineX86</TargetMachine>

+    </Link>

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+      <Optimization>MaxSpeed</Optimization>

+      <IntrinsicFunctions>true</IntrinsicFunctions>

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+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>

+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>

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+    <Link>

+      <OutputFile>$(SolutionDir)bin\$(ProjectName).exe</OutputFile>

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+    <ClCompile Include="..\testFloatSpec.c">

+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">CompileAsCpp</CompileAs>

+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">CompileAsCpp</CompileAs>

+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">CompileAsCpp</CompileAs>

+      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|x64'">CompileAsCpp</CompileAs>

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+  </ItemGroup>

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+      <Project>{fd335544-52bf-4736-a34e-77f591d158d5}</Project>

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diff --git a/2.3-1/src/c/linearAlgebra/spec/test_FloatSpec/testFloatSpec.vcxproj.filters b/2.3-1/src/c/linearAlgebra/spec/test_FloatSpec/testFloatSpec.vcxproj.filters
new file mode 100644
index 00000000..2ba2e59f
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec/test_FloatSpec/testFloatSpec.vcxproj.filters
@@ -0,0 +1,22 @@
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+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>

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+      <Filter>Source Files</Filter>

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diff --git a/2.3-1/src/c/linearAlgebra/spec/zspeca.c b/2.3-1/src/c/linearAlgebra/spec/zspeca.c
new file mode 100644
index 00000000..a2b1c25a
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec/zspeca.c
@@ -0,0 +1,80 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+#include <stdlib.h>
+#include "spec.h"
+#include "lapack.h"
+#include "zeros.h"
+#include "conj.h"
+
+void zspeca(doubleComplex* in, int rows,doubleComplex* out){
+	int i = 0, j = 0;
+	int hermitian = 0;
+	int INFO = 0;
+	int iWorkSize = 0;
+	doubleComplex* pdblWork;
+	doubleComplex* pdblLeftvectors;
+	doubleComplex* pdblRightvectors;
+	doubleComplex* pdblRWork;
+	double* outReal;
+	double* outImag;
+	doubleComplex* inCopy;
+	
+	inCopy = (doubleComplex*)malloc((unsigned int)(rows*rows) * sizeof(doubleComplex));
+	outReal = (double*)malloc((unsigned int)rows * sizeof(double));
+	outImag = (double*)malloc((unsigned int)rows * sizeof(double));
+	pdblLeftvectors=NULL;
+	pdblRightvectors=NULL;
+	
+	iWorkSize = 2*rows;
+	pdblWork = (doubleComplex*)malloc((unsigned int)iWorkSize * sizeof(doubleComplex));
+	pdblRWork = (doubleComplex*)malloc((unsigned int)(3*rows) * sizeof(doubleComplex));	
+	
+	for(i=0;i<rows*rows;i++) inCopy[i]=DoubleComplex(zreals(in[i]),zimags(in[i]));
+	
+	/* look if the matrix is symmetric */
+	for (i=0;i<rows;i++){
+		for (j=0;j<rows;j++) 
+			if ( (zreals(in[i*rows+j])!=zreals(zconjs(in[i+j*rows]))) ||
+			     (zimags(in[i*rows+j])!=zimags(zconjs(in[i+j*rows])))  )
+			     break;
+		if (j!=rows) break;
+	}
+		
+	
+	/* the matrix is symmetric if the 2 loops goes to end i.e
+		i==rows and j==rows */
+	if ((i==rows)&&(j==rows)) hermitian=1;
+
+	
+	/* apply lapack function according to symmetry */
+	if(hermitian){
+		C2F(zheev)( "N", "U", &rows, inCopy, &rows, outReal, pdblWork, &iWorkSize, outImag, &INFO );
+		dzerosa(outImag,1,rows);
+		for (i=0;i<rows;i++) out[i]=DoubleComplex(outReal[i],outImag[i]);
+	}
+	else {
+		C2F(zgeev)( "N", "N", &rows, inCopy, &rows, out, 
+		pdblLeftvectors, &rows, pdblRightvectors, &rows, pdblWork, &iWorkSize,
+		pdblRWork, &INFO );
+	}
+	
+
+
+	free(inCopy);
+	free(outReal);
+	free(outImag);
+	free(pdblWork);
+	free(pdblRWork);
+	free(pdblLeftvectors);
+	free(pdblRightvectors);
+}
diff --git a/2.3-1/src/c/linearAlgebra/spec2/Makefile.am b/2.3-1/src/c/linearAlgebra/spec2/Makefile.am
new file mode 100644
index 00000000..5a357fa5
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec2/Makefile.am
@@ -0,0 +1,70 @@
+##
+##  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+##  Copyright (C) 2006-2008 - INRIA - Bruno JOFRET
+##
+##  This file must be used under the terms of the CeCILL.
+##  This source file is licensed as described in the file COPYING, which
+##  you should have received as part of this distribution.  The terms
+##  are also available at
+##  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+##
+##
+
+libSpec2_la_CFLAGS =	-I $(top_builddir)/src/c/type \
+			-I $(top_builddir)/src/c/matrixOperations/includes \
+			-I $(top_builddir)/src/c/operations/includes \
+			-I $(top_builddir)/src/c/elementaryFunctions/includes\
+			-I $(top_builddir)/src/c/auxiliaryFunctions/includes
+
+
+instdir = $(top_builddir)/lib
+
+pkglib_LTLIBRARIES = libSpec2.la
+
+HEAD = ../includes/spec.h
+
+libSpec2_la_SOURCES = 	$(HEAD) \
+				sspec2a.c \
+				dspec2a.c \
+				cspec2a.c \
+				zspec2a.c
+
+
+############
+##  CHECK
+############
+
+
+check_PROGRAMS = 	testDoubleSpec2    testFloatSpec2
+
+check_LDADD =		$(top_builddir)/src/c/type/libDoubleComplex.la \
+			$(top_builddir)/src/c/type/libFloatComplex.la \
+			$(top_builddir)/src/c/elementaryFunctions/sqrt/libSqrt.la \
+			$(top_builddir)/src/fortran/lapack/libscilapack.la \
+			$(top_builddir)/src/fortran/blas/libsciblas.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/abs/libAbs.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/conj/libConj.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/sign/libSign.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/pythag/libPythag.la \
+			$(top_builddir)/src/c/operations/addition/libAddition.la \
+			$(top_builddir)/src/c/operations/multiplication/libMultiplication.la \
+			$(top_builddir)/src/c/matrixOperations/inversion/libMatrixInversion.la\
+			$(top_builddir)/src/c/matrixOperations/zeros/libMatrixZeros.la\
+			libSpec2.la
+
+check_INCLUDES =	-I $(top_builddir)/src/c/type \
+			-I $(top_builddir)/src/c/matrixOperations/includes \
+			-I $(top_builddir)/src/c/operations/includes \
+			-I $(top_builddir)/src/c/elementaryFunctions/includes\
+			-I $(top_builddir)/src/c/auxiliaryFunctions/includes
+
+testDoubleSpec2_SOURCES = testDoubleSpec2.c
+testDoubleSpec2_LDADD = $(check_LDADD)
+testDoubleSpec2_CFLAGS = $(check_INCLUDES)
+
+testFloatSpec2_SOURCES = testFloatSpec2.c
+testFloatSpec2_LDADD = $(check_LDADD)
+testFloatSpec2_CFLAGS = $(check_INCLUDES)
+
+TESTS =		testDoubleSpec2   testFloatSpec2
+
diff --git a/2.3-1/src/c/linearAlgebra/spec2/Makefile.in b/2.3-1/src/c/linearAlgebra/spec2/Makefile.in
new file mode 100644
index 00000000..6e46c059
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec2/Makefile.in
@@ -0,0 +1,757 @@
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+
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+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+
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+host_triplet = @host@
+check_PROGRAMS = testDoubleSpec2$(EXEEXT) testFloatSpec2$(EXEEXT)
+TESTS = testDoubleSpec2$(EXEEXT) testFloatSpec2$(EXEEXT)
+subdir = src/c/matrixOperations/spec2
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
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+am__aclocal_m4_deps = $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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+mkinstalldirs = $(install_sh) -d
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+  sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
+  $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
+    if (++n[$$2] == $(am__install_max)) \
+      { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
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+  sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
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+am_libSpec2_la_OBJECTS = $(am__objects_1) libSpec2_la-sspec2a.lo \
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+	libSpec2_la-zspec2a.lo
+libSpec2_la_OBJECTS = $(am_libSpec2_la_OBJECTS)
+libSpec2_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(libSpec2_la_CFLAGS) \
+	$(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+am_testDoubleSpec2_OBJECTS =  \
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+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(testDoubleSpec2_CFLAGS) \
+	$(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+am_testFloatSpec2_OBJECTS = testFloatSpec2-testFloatSpec2.$(OBJEXT)
+testFloatSpec2_OBJECTS = $(am_testFloatSpec2_OBJECTS)
+testFloatSpec2_DEPENDENCIES = $(check_LDADD)
+testFloatSpec2_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(testFloatSpec2_CFLAGS) \
+	$(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/includes
+depcomp = $(SHELL) $(top_srcdir)/config/depcomp
+am__depfiles_maybe = depfiles
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+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
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+	$(LDFLAGS) -o $@
+SOURCES = $(libSpec2_la_SOURCES) $(testDoubleSpec2_SOURCES) \
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+libSpec2_la_CFLAGS = -I $(top_builddir)/src/c/type \
+			-I $(top_builddir)/src/c/matrixOperations/includes \
+			-I $(top_builddir)/src/c/operations/includes \
+			-I $(top_builddir)/src/c/elementaryFunctions/includes\
+			-I $(top_builddir)/src/c/auxiliaryFunctions/includes
+
+instdir = $(top_builddir)/lib
+pkglib_LTLIBRARIES = libSpec2.la
+HEAD = ../includes/spec.h
+libSpec2_la_SOURCES = $(HEAD) \
+				sspec2a.c \
+				dspec2a.c \
+				cspec2a.c \
+				zspec2a.c
+
+check_LDADD = $(top_builddir)/src/c/type/libDoubleComplex.la \
+			$(top_builddir)/src/c/type/libFloatComplex.la \
+			$(top_builddir)/src/c/elementaryFunctions/sqrt/libSqrt.la \
+			$(top_builddir)/src/fortran/lapack/libscilapack.la \
+			$(top_builddir)/src/fortran/blas/libsciblas.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/abs/libAbs.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/conj/libConj.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/sign/libSign.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/pythag/libPythag.la \
+			$(top_builddir)/src/c/operations/addition/libAddition.la \
+			$(top_builddir)/src/c/operations/multiplication/libMultiplication.la \
+			$(top_builddir)/src/c/matrixOperations/inversion/libMatrixInversion.la\
+			$(top_builddir)/src/c/matrixOperations/zeros/libMatrixZeros.la\
+			libSpec2.la
+
+check_INCLUDES = -I $(top_builddir)/src/c/type \
+			-I $(top_builddir)/src/c/matrixOperations/includes \
+			-I $(top_builddir)/src/c/operations/includes \
+			-I $(top_builddir)/src/c/elementaryFunctions/includes\
+			-I $(top_builddir)/src/c/auxiliaryFunctions/includes
+
+testDoubleSpec2_SOURCES = testDoubleSpec2.c
+testDoubleSpec2_LDADD = $(check_LDADD)
+testDoubleSpec2_CFLAGS = $(check_INCLUDES)
+testFloatSpec2_SOURCES = testFloatSpec2.c
+testFloatSpec2_LDADD = $(check_LDADD)
+testFloatSpec2_CFLAGS = $(check_INCLUDES)
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/c/matrixOperations/spec2/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign src/c/matrixOperations/spec2/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+install-pkglibLTLIBRARIES: $(pkglib_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	test -z "$(pkglibdir)" || $(MKDIR_P) "$(DESTDIR)$(pkglibdir)"
+	@list='$(pkglib_LTLIBRARIES)'; test -n "$(pkglibdir)" || list=; \
+	list2=; for p in $$list; do \
+	  if test -f $$p; then \
+	    list2="$$list2 $$p"; \
+	  else :; fi; \
+	done; \
+	test -z "$$list2" || { \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(pkglibdir)'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(pkglibdir)"; \
+	}
+
+uninstall-pkglibLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(pkglib_LTLIBRARIES)'; test -n "$(pkglibdir)" || list=; \
+	for p in $$list; do \
+	  $(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(pkglibdir)/$$f'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(pkglibdir)/$$f"; \
+	done
+
+clean-pkglibLTLIBRARIES:
+	-test -z "$(pkglib_LTLIBRARIES)" || rm -f $(pkglib_LTLIBRARIES)
+	@list='$(pkglib_LTLIBRARIES)'; for p in $$list; do \
+	  dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
+libSpec2.la: $(libSpec2_la_OBJECTS) $(libSpec2_la_DEPENDENCIES) 
+	$(libSpec2_la_LINK) -rpath $(pkglibdir) $(libSpec2_la_OBJECTS) $(libSpec2_la_LIBADD) $(LIBS)
+
+clean-checkPROGRAMS:
+	@list='$(check_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+testDoubleSpec2$(EXEEXT): $(testDoubleSpec2_OBJECTS) $(testDoubleSpec2_DEPENDENCIES) 
+	@rm -f testDoubleSpec2$(EXEEXT)
+	$(testDoubleSpec2_LINK) $(testDoubleSpec2_OBJECTS) $(testDoubleSpec2_LDADD) $(LIBS)
+testFloatSpec2$(EXEEXT): $(testFloatSpec2_OBJECTS) $(testFloatSpec2_DEPENDENCIES) 
+	@rm -f testFloatSpec2$(EXEEXT)
+	$(testFloatSpec2_LINK) $(testFloatSpec2_OBJECTS) $(testFloatSpec2_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libSpec2_la-cspec2a.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libSpec2_la-dspec2a.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libSpec2_la-sspec2a.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libSpec2_la-zspec2a.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testDoubleSpec2-testDoubleSpec2.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testFloatSpec2-testFloatSpec2.Po@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(COMPILE) -c $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(COMPILE) -c `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
+
+libSpec2_la-sspec2a.lo: sspec2a.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec2_la_CFLAGS) $(CFLAGS) -MT libSpec2_la-sspec2a.lo -MD -MP -MF $(DEPDIR)/libSpec2_la-sspec2a.Tpo -c -o libSpec2_la-sspec2a.lo `test -f 'sspec2a.c' || echo '$(srcdir)/'`sspec2a.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libSpec2_la-sspec2a.Tpo $(DEPDIR)/libSpec2_la-sspec2a.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='sspec2a.c' object='libSpec2_la-sspec2a.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec2_la_CFLAGS) $(CFLAGS) -c -o libSpec2_la-sspec2a.lo `test -f 'sspec2a.c' || echo '$(srcdir)/'`sspec2a.c
+
+libSpec2_la-dspec2a.lo: dspec2a.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec2_la_CFLAGS) $(CFLAGS) -MT libSpec2_la-dspec2a.lo -MD -MP -MF $(DEPDIR)/libSpec2_la-dspec2a.Tpo -c -o libSpec2_la-dspec2a.lo `test -f 'dspec2a.c' || echo '$(srcdir)/'`dspec2a.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libSpec2_la-dspec2a.Tpo $(DEPDIR)/libSpec2_la-dspec2a.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='dspec2a.c' object='libSpec2_la-dspec2a.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec2_la_CFLAGS) $(CFLAGS) -c -o libSpec2_la-dspec2a.lo `test -f 'dspec2a.c' || echo '$(srcdir)/'`dspec2a.c
+
+libSpec2_la-cspec2a.lo: cspec2a.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec2_la_CFLAGS) $(CFLAGS) -MT libSpec2_la-cspec2a.lo -MD -MP -MF $(DEPDIR)/libSpec2_la-cspec2a.Tpo -c -o libSpec2_la-cspec2a.lo `test -f 'cspec2a.c' || echo '$(srcdir)/'`cspec2a.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libSpec2_la-cspec2a.Tpo $(DEPDIR)/libSpec2_la-cspec2a.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='cspec2a.c' object='libSpec2_la-cspec2a.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec2_la_CFLAGS) $(CFLAGS) -c -o libSpec2_la-cspec2a.lo `test -f 'cspec2a.c' || echo '$(srcdir)/'`cspec2a.c
+
+libSpec2_la-zspec2a.lo: zspec2a.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec2_la_CFLAGS) $(CFLAGS) -MT libSpec2_la-zspec2a.lo -MD -MP -MF $(DEPDIR)/libSpec2_la-zspec2a.Tpo -c -o libSpec2_la-zspec2a.lo `test -f 'zspec2a.c' || echo '$(srcdir)/'`zspec2a.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libSpec2_la-zspec2a.Tpo $(DEPDIR)/libSpec2_la-zspec2a.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='zspec2a.c' object='libSpec2_la-zspec2a.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libSpec2_la_CFLAGS) $(CFLAGS) -c -o libSpec2_la-zspec2a.lo `test -f 'zspec2a.c' || echo '$(srcdir)/'`zspec2a.c
+
+testDoubleSpec2-testDoubleSpec2.o: testDoubleSpec2.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testDoubleSpec2_CFLAGS) $(CFLAGS) -MT testDoubleSpec2-testDoubleSpec2.o -MD -MP -MF $(DEPDIR)/testDoubleSpec2-testDoubleSpec2.Tpo -c -o testDoubleSpec2-testDoubleSpec2.o `test -f 'testDoubleSpec2.c' || echo '$(srcdir)/'`testDoubleSpec2.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/testDoubleSpec2-testDoubleSpec2.Tpo $(DEPDIR)/testDoubleSpec2-testDoubleSpec2.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='testDoubleSpec2.c' object='testDoubleSpec2-testDoubleSpec2.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testDoubleSpec2_CFLAGS) $(CFLAGS) -c -o testDoubleSpec2-testDoubleSpec2.o `test -f 'testDoubleSpec2.c' || echo '$(srcdir)/'`testDoubleSpec2.c
+
+testDoubleSpec2-testDoubleSpec2.obj: testDoubleSpec2.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testDoubleSpec2_CFLAGS) $(CFLAGS) -MT testDoubleSpec2-testDoubleSpec2.obj -MD -MP -MF $(DEPDIR)/testDoubleSpec2-testDoubleSpec2.Tpo -c -o testDoubleSpec2-testDoubleSpec2.obj `if test -f 'testDoubleSpec2.c'; then $(CYGPATH_W) 'testDoubleSpec2.c'; else $(CYGPATH_W) '$(srcdir)/testDoubleSpec2.c'; fi`
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/testDoubleSpec2-testDoubleSpec2.Tpo $(DEPDIR)/testDoubleSpec2-testDoubleSpec2.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='testDoubleSpec2.c' object='testDoubleSpec2-testDoubleSpec2.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testDoubleSpec2_CFLAGS) $(CFLAGS) -c -o testDoubleSpec2-testDoubleSpec2.obj `if test -f 'testDoubleSpec2.c'; then $(CYGPATH_W) 'testDoubleSpec2.c'; else $(CYGPATH_W) '$(srcdir)/testDoubleSpec2.c'; fi`
+
+testFloatSpec2-testFloatSpec2.o: testFloatSpec2.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testFloatSpec2_CFLAGS) $(CFLAGS) -MT testFloatSpec2-testFloatSpec2.o -MD -MP -MF $(DEPDIR)/testFloatSpec2-testFloatSpec2.Tpo -c -o testFloatSpec2-testFloatSpec2.o `test -f 'testFloatSpec2.c' || echo '$(srcdir)/'`testFloatSpec2.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/testFloatSpec2-testFloatSpec2.Tpo $(DEPDIR)/testFloatSpec2-testFloatSpec2.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='testFloatSpec2.c' object='testFloatSpec2-testFloatSpec2.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testFloatSpec2_CFLAGS) $(CFLAGS) -c -o testFloatSpec2-testFloatSpec2.o `test -f 'testFloatSpec2.c' || echo '$(srcdir)/'`testFloatSpec2.c
+
+testFloatSpec2-testFloatSpec2.obj: testFloatSpec2.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testFloatSpec2_CFLAGS) $(CFLAGS) -MT testFloatSpec2-testFloatSpec2.obj -MD -MP -MF $(DEPDIR)/testFloatSpec2-testFloatSpec2.Tpo -c -o testFloatSpec2-testFloatSpec2.obj `if test -f 'testFloatSpec2.c'; then $(CYGPATH_W) 'testFloatSpec2.c'; else $(CYGPATH_W) '$(srcdir)/testFloatSpec2.c'; fi`
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/testFloatSpec2-testFloatSpec2.Tpo $(DEPDIR)/testFloatSpec2-testFloatSpec2.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='testFloatSpec2.c' object='testFloatSpec2-testFloatSpec2.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testFloatSpec2_CFLAGS) $(CFLAGS) -c -o testFloatSpec2-testFloatSpec2.obj `if test -f 'testFloatSpec2.c'; then $(CYGPATH_W) 'testFloatSpec2.c'; else $(CYGPATH_W) '$(srcdir)/testFloatSpec2.c'; fi`
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	set x; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+check-TESTS: $(TESTS)
+	@failed=0; all=0; xfail=0; xpass=0; skip=0; \
+	srcdir=$(srcdir); export srcdir; \
+	list=' $(TESTS) '; \
+	$(am__tty_colors); \
+	if test -n "$$list"; then \
+	  for tst in $$list; do \
+	    if test -f ./$$tst; then dir=./; \
+	    elif test -f $$tst; then dir=; \
+	    else dir="$(srcdir)/"; fi; \
+	    if $(TESTS_ENVIRONMENT) $${dir}$$tst; then \
+	      all=`expr $$all + 1`; \
+	      case " $(XFAIL_TESTS) " in \
+	      *[\ \	]$$tst[\ \	]*) \
+		xpass=`expr $$xpass + 1`; \
+		failed=`expr $$failed + 1`; \
+		col=$$red; res=XPASS; \
+	      ;; \
+	      *) \
+		col=$$grn; res=PASS; \
+	      ;; \
+	      esac; \
+	    elif test $$? -ne 77; then \
+	      all=`expr $$all + 1`; \
+	      case " $(XFAIL_TESTS) " in \
+	      *[\ \	]$$tst[\ \	]*) \
+		xfail=`expr $$xfail + 1`; \
+		col=$$lgn; res=XFAIL; \
+	      ;; \
+	      *) \
+		failed=`expr $$failed + 1`; \
+		col=$$red; res=FAIL; \
+	      ;; \
+	      esac; \
+	    else \
+	      skip=`expr $$skip + 1`; \
+	      col=$$blu; res=SKIP; \
+	    fi; \
+	    echo "$${col}$$res$${std}: $$tst"; \
+	  done; \
+	  if test "$$all" -eq 1; then \
+	    tests="test"; \
+	    All=""; \
+	  else \
+	    tests="tests"; \
+	    All="All "; \
+	  fi; \
+	  if test "$$failed" -eq 0; then \
+	    if test "$$xfail" -eq 0; then \
+	      banner="$$All$$all $$tests passed"; \
+	    else \
+	      if test "$$xfail" -eq 1; then failures=failure; else failures=failures; fi; \
+	      banner="$$All$$all $$tests behaved as expected ($$xfail expected $$failures)"; \
+	    fi; \
+	  else \
+	    if test "$$xpass" -eq 0; then \
+	      banner="$$failed of $$all $$tests failed"; \
+	    else \
+	      if test "$$xpass" -eq 1; then passes=pass; else passes=passes; fi; \
+	      banner="$$failed of $$all $$tests did not behave as expected ($$xpass unexpected $$passes)"; \
+	    fi; \
+	  fi; \
+	  dashes="$$banner"; \
+	  skipped=""; \
+	  if test "$$skip" -ne 0; then \
+	    if test "$$skip" -eq 1; then \
+	      skipped="($$skip test was not run)"; \
+	    else \
+	      skipped="($$skip tests were not run)"; \
+	    fi; \
+	    test `echo "$$skipped" | wc -c` -le `echo "$$banner" | wc -c` || \
+	      dashes="$$skipped"; \
+	  fi; \
+	  report=""; \
+	  if test "$$failed" -ne 0 && test -n "$(PACKAGE_BUGREPORT)"; then \
+	    report="Please report to $(PACKAGE_BUGREPORT)"; \
+	    test `echo "$$report" | wc -c` -le `echo "$$banner" | wc -c` || \
+	      dashes="$$report"; \
+	  fi; \
+	  dashes=`echo "$$dashes" | sed s/./=/g`; \
+	  if test "$$failed" -eq 0; then \
+	    echo "$$grn$$dashes"; \
+	  else \
+	    echo "$$red$$dashes"; \
+	  fi; \
+	  echo "$$banner"; \
+	  test -z "$$skipped" || echo "$$skipped"; \
+	  test -z "$$report" || echo "$$report"; \
+	  echo "$$dashes$$std"; \
+	  test "$$failed" -eq 0; \
+	else :; fi
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS)
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(pkglibdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-checkPROGRAMS clean-generic clean-libtool \
+	clean-pkglibLTLIBRARIES mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
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+install-data-am:
+
+install-dvi: install-dvi-am
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+install-dvi-am:
+
+install-exec-am: install-pkglibLTLIBRARIES
+
+install-html: install-html-am
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+install-html-am:
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+install-info: install-info-am
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+install-info-am:
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+install-man:
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+install-ps-am:
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+
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+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
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+	mostlyclean-libtool
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+
+.MAKE: check-am install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-TESTS check-am clean \
+	clean-checkPROGRAMS clean-generic clean-libtool \
+	clean-pkglibLTLIBRARIES ctags distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-pkglibLTLIBRARIES install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags uninstall \
+	uninstall-am uninstall-pkglibLTLIBRARIES
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/2.3-1/src/c/linearAlgebra/spec2/cspec2a.c b/2.3-1/src/c/linearAlgebra/spec2/cspec2a.c
new file mode 100644
index 00000000..d3a4312f
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec2/cspec2a.c
@@ -0,0 +1,36 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+#include <stdlib.h>
+#include "spec.h"
+
+
+
+void cspec2a(floatComplex* in, int rows, floatComplex* eigenvalues,floatComplex* eigenvectors){
+	/* As we use Lapack to find the eigenvalues, we must cast the floatComplex input into doubleComplex
+	and the doubleComplex outputs of dspeca into floatComplex*/
+	
+	int i;
+	doubleComplex* dblin;
+	doubleComplex* dbleigenvalues,*dbleigenvectors;
+	
+	dblin=(doubleComplex*)malloc((unsigned int)(rows*rows)*sizeof(doubleComplex));
+	dbleigenvalues=(doubleComplex*)malloc((unsigned int)(rows*rows)*sizeof(doubleComplex));	
+	dbleigenvectors=(doubleComplex*)malloc((unsigned int)(rows*rows)*sizeof(doubleComplex));
+	
+	for (i=0;i<rows*rows;i++) dblin[i]=DoubleComplex((double)creals(in[i]),(double)cimags(in[i]));
+	
+	zspec2a(dblin,rows,dbleigenvalues,dbleigenvectors);
+	
+	for (i=0;i<rows*rows;i++) eigenvalues[i]=FloatComplex((float)zreals(dbleigenvalues[i]),(float)zimags(dbleigenvalues[i]));
+	for (i=0;i<rows*rows;i++) eigenvectors[i]=FloatComplex((float)zreals(dbleigenvectors[i]),(float)zimags(dbleigenvectors[i]));
+}
diff --git a/2.3-1/src/c/linearAlgebra/spec2/dspec2a.c b/2.3-1/src/c/linearAlgebra/spec2/dspec2a.c
new file mode 100644
index 00000000..98b2c5ad
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec2/dspec2a.c
@@ -0,0 +1,113 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+#include <stdlib.h>
+#include "spec.h"
+#include "lapack.h"
+#include "zeros.h"
+#include "max.h"
+
+void dspec2a(double* in, int rows,double* eigenvalues,double* eigenvectors){
+	int i=0, j=0, ij=0, ij1=0;
+	int symmetric=0;
+	int INFO=0;
+	int iWorkSize = 0;
+	double* pdblWork;
+	double* outReal;
+	double* outImag;
+	double* pdblLeftvectors;
+	double* pdblRightvectors;
+	double* inCopy;
+	
+	/* FIXME : malloc here */
+	inCopy = (double*)malloc((unsigned int)(rows*rows) * sizeof(double));
+	outReal = (double*)malloc((unsigned int)rows * sizeof(double));
+	outImag = NULL;
+	pdblLeftvectors=NULL;
+	pdblRightvectors=NULL;
+	
+	
+	iWorkSize = 4*rows;
+	pdblWork = (double*)malloc((unsigned int)iWorkSize * sizeof(double));
+	
+	for(i=0;i<rows*rows;i++)	inCopy[i]=in[i];
+	
+	
+	
+	/* look if the matrix is symmetric */
+	for (i=0;i<rows;i++){	
+		for (j=0;j<rows;j++) 	
+			if (in[i*rows+j]!=in[i+j*rows]) break;
+		if (j!=rows) break;
+		
+	}
+	
+	/* the matrix is symmetric if the 2 loops goes to end i.e
+		i==rows and j==rows */
+	if ((i==rows)&&(j==rows)) symmetric=1;
+	
+	/* apply lapack function according to symmetry */
+	if(symmetric){	
+		C2F(dsyev)( "V", "U", &rows, inCopy, &rows, outReal, pdblWork, &iWorkSize, &INFO );
+	
+		/* Computation of eigenvectors */
+		for (i=0;i<rows*rows;i++) 	eigenvectors[i] = inCopy[i];
+	}
+	else {	
+		pdblRightvectors=(double*)malloc((unsigned int)(rows*rows) * sizeof(double));
+		outImag = (double*)malloc((unsigned int)rows * sizeof(double));
+		C2F(dgeev)( "N", "V", &rows, inCopy, &rows, outReal, outImag,
+        			pdblLeftvectors, &rows, pdblRightvectors, &rows, pdblWork, &iWorkSize, &INFO );  
+	
+		/* Computation of eigenvectors */        			
+        	j=0;
+		while (j<rows)
+		{
+			if (outImag[j]==0)
+			{	
+				for(i = 0 ; i < rows ; i++)
+				{
+					ij = i + j * rows;
+					eigenvectors[ij] = pdblRightvectors[ij];
+				}
+				j = j + 1;
+			}
+			else
+			{
+				for(i = 0 ; i < rows ; i++)
+				{
+					ij = i + j * rows;
+					ij1 = i + (j + 1) * rows;
+					eigenvectors[ij] = pdblRightvectors[ij];
+					eigenvectors[ij1] = pdblRightvectors[ij];
+				}
+				j = j + 2;
+			}
+		}
+	}
+	
+	/* Computation of eigenvalues */
+	dzerosa(eigenvalues,1,rows*rows);
+	for (i=0;i<rows;i++) eigenvalues[i+i*rows]=outReal[i];
+	
+
+	
+
+	free(inCopy);
+	free(outReal);
+	free(outImag);
+	free(pdblLeftvectors);
+	free(pdblRightvectors);
+	free(pdblWork);
+
+}
+
diff --git a/2.3-1/src/c/linearAlgebra/spec2/sspec2a.c b/2.3-1/src/c/linearAlgebra/spec2/sspec2a.c
new file mode 100644
index 00000000..d3ab00d5
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec2/sspec2a.c
@@ -0,0 +1,36 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+#include <stdlib.h>
+#include "spec.h"
+
+
+
+void sspec2a(float* in, int rows, float* eigenvalues,float* eigenvectors){
+	/* As we use Lapack to find the eigenvalues, we must cast the float input into double
+	and the doubleComplex outputs of dspec2a into floatComplex*/
+	
+	int i;
+	double* dblin;
+	double *dbleigenvalues,*dbleigenvectors;
+	
+	dblin=(double*)malloc((unsigned int)(rows*rows)*sizeof(double));
+	dbleigenvalues = (double*)malloc((unsigned int)(rows*rows)*sizeof(double));	
+	dbleigenvectors = (double*)malloc((unsigned int)(rows*rows)*sizeof(double));
+	
+	for (i=0;i<rows*rows;i++) dblin[i]=(double)in[i];
+	
+	dspec2a(dblin,rows,dbleigenvalues,dbleigenvectors);
+	
+	for (i=0;i<rows*rows;i++) eigenvalues[i]=(float)dbleigenvalues[i];
+	for (i=0;i<rows*rows;i++) eigenvectors[i]=(float)dbleigenvectors[i];
+}
diff --git a/2.3-1/src/c/linearAlgebra/spec2/testDoubleSpec2.c b/2.3-1/src/c/linearAlgebra/spec2/testDoubleSpec2.c
new file mode 100644
index 00000000..a090f028
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec2/testDoubleSpec2.c
@@ -0,0 +1,261 @@
+/*
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+ 
+#include "spec.h" 
+#include "stdio.h"
+#include "assert.h"
+#include "math.h"
+
+static void dspec2aTest(void){
+	double in[4]={1,1,1,3};
+	double resultValuesR[4]={0.5857864376269050765700,0,0,3.4142135623730949234300};
+		double resultVectorsR[4]={- 0.9238795325112867384831,0.3826834323650897817792,
+	0.3826834323650897817792,0.9238795325112867384831};
+		
+	
+	double in2[4]={1,1,-2,3};
+	double resultValues2R[4]={1.9999999999999997779554,0,0,1.9999999999999997779554};
+	double resultVectors2R[4]={0.8164965809277261454824,- 0.4082482904638631282523,
+	0.8164965809277261454824,- 0.4082482904638631282523};
+	
+	double in3[9]={0,-1,0,1,0,0,0,0,0};
+	double resultValues3R[9]={0};
+	double resultVectors3R[9]={0.7071067811865474617150,0,0,0.7071067811865474617150,0,0,0,0,1};
+
+	
+	double out1[4],out2[4],out3[9],out4[9];
+	
+	int i;
+	dspec2a(in3,3,out3,out4);
+	for(i=0;i<9;i++){
+		if (out3[i]>1e-16)  assert( fabs(out3[i]-resultValues3R[i]) / fabs(out3[i]) <3e-16);
+		else assert(1);
+	}
+	for(i=0;i<9;i++){
+		if (out4[i]>1e-16)  assert( fabs(out4[i]-resultVectors3R[i]) / fabs(out4[i]) <3e-16);
+		else assert(1);
+	}
+	
+
+	dspec2a(in,2,out1,out2);
+	for(i=0;i<4;i++) printf("%f\n",out1[i]);
+	for(i=0;i<4;i++){
+		if (out1[i]>1e-16)  assert( fabs(out1[i]-resultValuesR[i]) / fabs(out1[i]) <3e-16);
+		else assert(1);
+	}
+	for(i=0;i<4;i++){
+		if (out2[i]>1e-16)  assert( fabs(out2[i]-resultVectorsR[i]) / fabs(out2[i]) <3e-16);
+		else assert(1);
+	}
+	
+	
+	dspec2a(in2,2,out1,out2);
+
+	for(i=0;i<4;i++){
+		if (out1[i]>1e-16)  assert( fabs(out1[i]-resultValues2R[i]) / fabs(out1[i]) <1e-16);
+		else assert(1);
+	}
+	for(i=0;i<4;i++){
+		if (out2[i]>1e-16)  assert( fabs(out2[i]-resultVectors2R[i]) / fabs(out2[i]) <3e-16);
+		else assert(1);
+	}
+	
+}
+
+
+
+	
+static void zspec2aTest(void){
+	double inR[4]={1,1,1,3};	
+	double inI[4]={0,0,0,0};
+	double resultValuesR[4]={0.5857864376269050765700,0,0,3.4142135623730949234300};
+	double resultValuesI[4]={0,0,0,0};
+	double resultVectorsR[4]={- 0.9238795325112867384831,0.3826834323650897817792,
+	0.3826834323650897817792,0.9238795325112867384831};
+	double resultVectorsI[4]={0,0,0,0};
+		
+	double in2R[4]={1,1,-2,3};
+	double in2I[4]={0,0,0,0};
+	double resultValues2R[4]={1.9999999999999997779554,0,0,1.9999999999999997779554};
+	double resultValues2I[4]={0.9999999999999997779554,0,0,-0.9999999999999997779554};
+	double resultVectors2R[4]={0.8164965809277261454824,- 0.4082482904638631282523,
+	0.8164965809277261454824,- 0.4082482904638631282523};
+	double resultVectors2I[4]={0,- 0.4082482904638629062077,0,0.4082482904638629062077};
+	
+	  
+	double in3R[16]={ 0.4685934986919164657593,    0.4262020816095173358917,    0.4217656338587403297424,    0.1034853602759540081024  ,
+    0.4279759414494037628174,    0.7860729382373392581940,    0.8568082069978117942810,    0.1993437460623681545258 , 
+    0.7131301630288362503052,    0.5208952468819916248322,    0.9311723159626126289368,    0.4143836158327758312225,  
+    0.5980196148157119750977,    0.5549105503596365451813,    0.8552952585741877555847,    0.3097750707529485225678};
+	double in3I[16]={0.9446128141134977340698,    0.2442680452950298786163,    0.8760446915403008460999,    0.4874215493910014629364,  
+    0.3844018988311290740967,    0.0922345430590212345123,    0.0705418726429343223572,    0.7338807261548936367035,  
+    0.7792180571705102920532,    0.7827638057060539722443,    0.2161567779257893562317,    0.3420197847299277782440,  
+    0.430093832314014434814 ,    0.6261752569116652011871,    0.9554250938817858695984,    0.45415506651625037193 };
+	double resultValues3R[16]={2.0556597713281337114211 ,   0.         ,                 0.      ,                    0.   ,                     
+    0.         ,               - 0.3025728286579054682193  ,  0.                        ,  0.                        ,
+    0.         ,                 0.                        ,  0.1432776981289703988054  ,  0.                        ,
+    0.         ,                 0.                        ,  0.                        ,  0.59924918284561956571821};
+ 	double resultValues3I[16]={2.0772175543447914947137 ,   0.      ,                    0.     ,                     0. ,                       
+    0.        ,                - 0.5223086999196728807959 ,   0.                       ,   0.     ,                   
+    0.        ,                  0.                       ,   0.3871735516160564882782 ,   0.     ,                   
+    0.        ,                  0.                       ,   0.                       , - 0.2349232044266161556489  };
+	double resultVectors3R[16]={   0.5762578366606958546470 ,   0.4529873647084416976583 ,   0.5438116534400605495137  ,  0.3599855200589946457868 , 
+  - 0.3285074902800487195442,  - 0.0923654569732548225147,    0.6473744750124794666846,  - 0.1812302216765642182139  ,
+    0.7395301236826927748780,  - 0.4588526195219964631811,    0.0997916953568371567496,  - 0.3603263850824164338249  ,
+    0.0717862182160008133192,    0.6967198304315765922112,  - 0.1153149977500917411355 , - 0.3232658081022470875077 };
+	double resultVectors3I[16]={ 0. ,                       - 0.1082260232744242933745,  - 0.1403164362264210929254 ,   0.0775054168635924967123 , 
+    0.0347047096401541868560,  - 0.4780157518240965019984,    0.                       ,   0.4493438228998393735303,  
+    0.                      ,  - 0.0484367977162360741072 ,   0.0664282497469102783949 , - 0.3098340648435350952461 , 
+    0.1768623397230159322024,    0.                       , - 0.4621680558325051979551 ,   0.3830799998945915163517};    
+    
+    
+    double in4R[49]={0.0292230211198329925537,    0.1069206790998578071594,    9.7463708464056253433228,    7.7042609406635165214539 ,   6.3966313377022743225098, 9.5358861843124032020569,    4.1484833415597677230835,
+ 	  4.6615396952256560325623,    2.2384551353752613067627,    3.4569733263924717903137,    2.3406236339360475540161,    6.6193414805456995964050,2.6911795139312744140625,9.8302489006891846656799 ,
+      7.3933512251824140548706,    2.9021358629688620567322 ,   3.9959496073424816131592   , 9.792278115637600421906 ,    0.0755135808140039443970, 7.0210226578637957572937 ,   8.9075061306357383728027 ,
+     6.5269742021337151527405  ,  4.136228552088141441345 ,    8.5816909139975905418396  ,  2.3960896767675876617432  ,  4.8200417729094624519348,  9.848585547879338264465 ,    4.4697216479107737541199, 
+      2.3298137634992599487305,    2.2345139319077134132385,    8.0025654565542936325073,    7.7507343282923102378845,    4.8250066302716732025146,  7.8448831336572766304016 ,   1.5346793178468942642212 ,
+      7.7228771103546023368835 ,   8.9520217850804328918457,    9.4673257926478981971741,    6.9818257447332143783569,    9.5591608202084898948669,  0.4840173013508319854736,    5.3235206427052617073059,
+      2.9468670953065156936646,    6.9771366892382502555847 ,   9.3762038648128509521484 ,   1.0755608463659882545471 ,   7.7634243946522474288940,   6.3734178384765982627869 ,   0.6630615703761577606201 };
+      double in4I[49]={8.1694598542526364326477,    3.5473910067230463027954,    5.860544512979686260223,     3.4610254690051078796387,    4.4247510144487023353577,    8.8226650562137365341187,    7.6436930662021040916443 ,
+    7.764139864593744277954,     2.8076809318736195564270,    6.9086006004363298416138,    7.1747286943718791007996,    3.7201813608407974243164 ,   9.3254965776577591896057,    2.2566775511950254440308,
+    7.5211019208654761314392 ,   3.0747506581246852874756 ,   5.9793261485174298286438,    1.9238903466612100601196,    2.3870888305827975273132 ,   7.4708331003785133361816,    9.7131536761298775672913,
+    4.3703553732484579086304,    6.2248750543221831321716,    3.2913279719650745391846,    3.2963873865082859992981,    2.7686371374875307083130 ,    4.8729835031554102897644,    7.7320465445518493652344 ,
+    9.0775218093767762184143,    5.0122931879013776779175,    5.1595458528026938438416,    5.79267887398600578308  ,    1.5463936375454068183899 ,     7.6111377868801355361938,    6.9079177780076861381531 ,
+    2.8732293471693992614746,    9.64253133628517389297 ,     5.6607243325561285018921,    5.7821379369124770164490,    2.6634209789335727691650  ,    4.7470985027030110359192,    6.0735465306788682937622,  
+    0.4097307054325938224793,    5.0125684589147567749023 ,   5.2959309751167893409729,    6.2594583164900541305542,    2.2193526616320013999939  ,   3.467419948428869247437,     3.9511676924303174018860 }; 
+	double resultValues4R[49]={39.018457752476393807228 ,0,0,0,0,0,0,
+    			  		  0,2.2455352415739073812517,0,0,0,0,0,
+    					  0,0,- 8.4848591657394489828903,0,0,0,0,
+    					  0,0,0,- 9.617033196016185669919,0,0,0,
+    					  0,0,0,0,- 3.7815852014367528077798,0,0,
+    					  0,0,0,0,0,- 4.44858427601393291440,0,
+    					  0,0,0,0,0,0,- 0.3001282122401837670900};
+	double resultValues4I[49]={36.525725390582877594170,0,0,0,0,0,0,
+    					  0,- 5.9058762755733944516123,0,0,0,0,0,
+					  0,0,- 3.5959527108686115681735,0,0,0,0,
+					  0,0,0,1.8928051444081777088257,0,0,0,
+					  0,0,0,0,- 3.1889864758923365251064,0,0,
+					  0,0,0,0,0,3.2418188738592150777151,0,
+					  0,0,0,0,0,0,1.5279802073147508156836}; 
+					   
+ 	double resultVectors4R[49]={  0.3499995148567048852684,    0.3131141942665225941234,    0.4518966551544936205431,    0.3429358568207974133912,    0.3073919828504245721490,   0.4236868694783915145763,    0.3928739146959387973368 ,
+    0.2654822689469810148566 , - 0.3607918093136298631762,    0.0473515544359270068586 ,   0.5097969509656486986060 , -0.3771134435310480315096  , 0.2011534205484152293408,  - 0.4415200724898113993078,
+    0.5454886553461798515130,  - 0.2173248800239625522224,  - 0.2171708216301463378883 , - 0.2460117034233289534662 , -0.3694743444265859433351  ,  0.3601018742104445391483,    0.1530612374027510713681,
+    0.6385835932752577104310,  - 0.0013906755423099548263,  - 0.3368505708673739662551 ,   0.1394203608831885433    , -0.2292783363046769218308  , -0.2740379414191142504187,    0.1926279946047058377889 ,
+  - 0.6106238336849327819067,    0.0128604884735820379493,    0.2248434453925002574071,  - 0.0955950290268089419854 , 0.6322383898844411431739  ,         - 0.1362122761803175874373,  - 0.0030545591332723984190,
+    0.5431360047322275619308,    0.1304324282476526930541,  - 0.3713242513274904177401,  - 0.2693820083406764376299 , - 0.1431429883314006001882   ,   0.0533021313694299267438,    0.0071247423818797811501 ,
+  - 0.156705245229635081738,     0.0034676864415526253982 , - 0.3351413975178426096768 ,   0.2927797449896782921996  ,  0.5714932440406852443005   ,   0.0738366305178744797288,  - 0.4509415569247051669422  };
+ 	double resultVectors4I[49]={  0.0720991445669864616796 ,   0.0844739028302603361942 ,   0.           ,               0.0173431366502564965337,  -0.0428710162141596462515,  0.0695226101295536302871,    0.0999385617869267273150,
+    0.2510960793336660668018 , - 0.1123901435582568414384,    0.0091069807153507792430,    0.      ,                  - 0.2545493692188907641771,   0.1149714203529902251111,    0.0762796210842419941667,
+    0.      ,                    0.0611827470444509316505,    0.2295643426501567385678,  - 0.2950878328821502361024,    0.198556748820033573955,     0.0646801132828138114483,  - 0.2660572521172601678785,  
+    0.          ,                0.2688905463703794573860,    0.2230635356255223633593 , - 0.2013432448241845862391,  - 0.0386922946770884290668,    0.0358963301038670995480,  - 0.3593711366897305303780 , 
+  - 0.1386717901043315326337,    0.0600994116374372472356,  - 0.1167558596038882207102 ,   0.317965599565130263571,     0. ,         -0.0642522754144960878131,  - 0.0853665514099945371695,                
+    0.             ,             0.2715431731544318272320,  - 0.1184277560110737481658 ,   0.3655618467608299226868, - 0.4598766797780974302512 ,     0.0188698345957667955319,  - 0.1446429340244405892246,
+    0.346095581161616094867  ,   0.0750882555805542639682,  - 0.2494867985551498246188,  - 0.2328934592128872882455,    0.  ,               -0.0047307828167728396829,  - 0.0078254955461786041004};         
+  
+   
+    
+ 
+	doubleComplex *in,*in2,*in3,*in4,out1[4],out2[4],out3[16],out4[16],out5[49],out6[49];
+	
+	int i;
+	
+	in=DoubleComplexMatrix(inR,inI,4);
+	in2=DoubleComplexMatrix(in2R,in2I,4);
+	in3=DoubleComplexMatrix(in3R,in3I,16);
+	in4=DoubleComplexMatrix(in4R,in4I,49);
+	zspec2a(in,2,out1,out2);
+
+	
+	for(i=0;i<4;i++){
+		if (zreals(out1[i])>1e-16)  assert( fabs(zreals(out1[i])-resultValuesR[i]) / fabs(zreals(out1[i])) <3e-16);
+		else assert(1);
+		if (zimags(out1[i])>1e-16)  assert( fabs(zimags(out1[i])-resultValuesI[i]) / fabs(zimags(out1[i])) <1e-16);
+		else assert(1);
+	}
+	
+	for(i=0;i<4;i++){
+		if (zreals(out2[i])>1e-16)  assert( fabs(zreals(out2[i])-resultVectorsR[i]) / fabs(zreals(out2[i])) <3e-16);
+		else assert(1);
+		if (zimags(out2[i])>1e-16)  assert( fabs(zimags(out2[i])-resultVectorsI[i]) / fabs(zimags(out2[i])) <1e-16);
+		else assert(1);
+	}
+	
+	
+	zspec2a(in2,2,out1,out2);	
+	for(i=0;i<4;i++){
+		if (zreals(out1[i])>1e-16)  assert( fabs(zreals(out1[i])-resultValues2R[i]) / fabs(zreals(out1[i])) <3e-16);
+		else assert(1);
+		if (zimags(out1[i])>1e-16)  assert( fabs(zimags(out1[i])-resultValues2I[i]) / fabs(zimags(out1[i])) <3e-15);
+		else assert(1);
+	}
+		
+	for(i=0;i<4;i++){
+		if (zreals(out2[i])>1e-16)  assert( fabs(zreals(out2[i])-resultVectors2R[i]) / fabs(zreals(out2[i])) <3e-16);
+		else assert(1);
+		if (zimags(out2[i])>1e-16)  assert( fabs(zimags(out2[i])-resultVectors2I[i]) / fabs(zimags(out2[i])) <3e-15);
+		else assert(1);
+	}
+	
+	
+	
+	zspec2a(in3,4,out3,out4);	
+	for(i=0;i<16;i++){
+		if (zreals(out3[i])>1e-16)  assert( fabs(zreals(out3[i])-resultValues3R[i]) / fabs(zreals(out3[i])) <3e-15);
+		else assert(1);
+		if (zimags(out3[i])>1e-16)  assert( fabs(zimags(out3[i])-resultValues3I[i]) / fabs(zimags(out3[i])) <3e-15);
+		else assert(1);
+	}	
+	for(i=0;i<16;i++){
+		if (zreals(out4[i])>1e-16)  assert( fabs(zreals(out4[i])-resultVectors3R[i]) / fabs(zreals(out4[i])) <3e-15);
+		else assert(1);
+		if (zimags(out4[i])>1e-16)  assert( fabs(zimags(out4[i])-resultVectors3I[i]) / fabs(zimags(out4[i])) <3e-14);
+		else assert(1);
+	}	
+	
+	/* FIXME : assert : 3e-16 maybe du to little values like  0.001... */
+	zspec2a(in4,7,out5,out6);	
+	
+	for(i=0;i<49;i++){
+		if (zreals(out5[i])>1e-16)  assert( fabs(zreals(out5[i])-resultValues4R[i]) / fabs(zreals(out5[i])) <3e-15);
+		else assert(1);
+		if (zimags(out5[i])>1e-16)  assert( fabs(zimags(out5[i])-resultValues4I[i]) / fabs(zimags(out5[i])) <3e-14);
+		else assert(1);
+	}	
+	for(i=0;i<49;i++){
+		if (zreals(out6[i])>1e-16)  assert( fabs(zreals(out6[i])-resultVectors4R[i]) / fabs(zreals(out6[i])) <3e-14);
+		else assert(1);
+		if (zimags(out6[i])>1e-16)  assert( fabs(zimags(out6[i])-resultVectors4I[i]) / fabs(zimags(out6[i])) <3e-13);
+		else assert(1);
+	}
+	
+	
+	
+}
+
+
+static int testSpec2(void){
+	printf(">>> Double Spec2 Tests <<<\n");
+	printf(">>> Double <<<\n");
+	dspec2aTest();
+	printf(">>> DoubleComplex <<<\n");
+	zspec2aTest();
+	return 0;
+}
+
+
+int main(void){
+	assert (testSpec2()==0);
+
+	
+	return 0;
+}
diff --git a/2.3-1/src/c/linearAlgebra/spec2/testFloatSpec2.c b/2.3-1/src/c/linearAlgebra/spec2/testFloatSpec2.c
new file mode 100644
index 00000000..fb2bc255
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec2/testFloatSpec2.c
@@ -0,0 +1,134 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+ 
+#include "spec.h" 
+#include "stdio.h"
+#include "assert.h"
+#include "math.h"
+
+static void sspec2aTest(void){
+	float in[4]={1.0f,1.0f,1.0f,3.0f};
+	float resultValuesR[4]={0.5857864376269050765700f,0,0,3.4142135623730949234300f};
+	float resultVectorsR[4]={- 0.9238795325112867384831f,0.3826834323650897817792f,
+	0.3826834323650897817792f,0.9238795325112867384831f};
+	
+	float in2[4]={1.0f,1.0f,-2.0f,3.0f};
+	float resultValues2R[4]={1.9999999999999997779554f,0,0,1.9999999999999997779554f};
+	float resultVectors2R[4]={0.8164965809277261454824f,- 0.4082482904638631282523f,
+	0.8164965809277261454824f,- 0.4082482904638631282523f};
+	float eigenvalues[4],eigenvectors[4];
+
+	int i;
+		
+	sspec2a(in,2,eigenvalues,eigenvectors);
+
+	for(i=0;i<4;i++){
+		if (eigenvalues[i]>1e-6)  assert( fabs(eigenvalues[i]-resultValuesR[i]) / fabs(eigenvalues[i]) <1e-16);
+		else assert(1);
+	}
+	for(i=0;i<4;i++){
+		if (eigenvectors[i]>1e-6)  assert( fabs(eigenvectors[i]-resultVectorsR[i]) / fabs(eigenvectors[i]) <1e-16);
+		else assert(1);
+	}
+	
+	
+	sspec2a(in2,2,eigenvalues,eigenvectors);
+	
+
+	
+	for(i=0;i<4;i++){
+		if (eigenvalues[i]>1e-6)  assert( fabs(eigenvalues[i]-resultValues2R[i]) / fabs(eigenvalues[i]) <1e-16);
+		else assert(1);
+	}
+	for(i=0;i<4;i++){
+		if (eigenvectors[i]>1e-6)  assert( fabs(eigenvectors[i]-resultVectors2R[i]) / fabs(eigenvectors[i]) <1e-16);
+		else assert(1);
+	}
+}
+
+
+
+	
+static void cspec2aTest(void){
+	float inR[4]={1.0f,1.0f,1.0f,3.0f};	
+	float inI[4]={0.0f,0.0f,0.0f,0.0f};
+	float resultValuesR[4]={0.5857864376269050765700f,0,0,3.4142135623730949234300f};
+	float resultValuesI[4]={0,0,0,0};
+	float resultVectorsR[4]={- 0.9238795325112867384831f,0.3826834323650897817792f,
+	0.3826834323650897817792f,0.9238795325112867384831f};
+	float resultVectorsI[4]={0,0,0,0};
+	
+	float in2R[4]={1.0f,1.0f,-2.0f,3.0f};
+	float in2I[4]={0.0f,0.0f,0.0f,0.0f};
+	float resultValues2R[4]={1.9999999999999997779554f,0,0,1.9999999999999997779554f};
+	float resultValues2I[4]={0.9999999999999997779554f,0,0,-0.9999999999999997779554f};
+	float resultVectors2R[4]={0.8164965809277261454824f,- 0.4082482904638631282523f,
+	0.8164965809277261454824f,- 0.4082482904638631282523f};
+	float resultVectors2I[4]={0,- 0.4082482904638629062077f,0,0.4082482904638629062077f};
+	
+	floatComplex *in,*in2,out1[4],out2[4];
+	
+	int i;
+	
+	in=FloatComplexMatrix(inR,inI,4);
+	in2=FloatComplexMatrix(in2R,in2I,4);
+	
+	cspec2a(in,2,out1,out2);
+	for(i=0;i<4;i++){
+		if (creals(out1[i])>1e-16)  assert( fabs(creals(out1[i])-resultValuesR[i]) / fabs(creals(out1[i])) <1e-15);
+		else assert(1);
+		if (cimags(out1[i])>1e-16)  assert( fabs(cimags(out1[i])-resultValuesI[i]) / fabs(cimags(out1[i])) <1e-16);
+		else assert(1);
+	}
+	for(i=0;i<4;i++){
+		if (creals(out2[i])>1e-16)  assert( fabs(creals(out2[i])-resultVectorsR[i]) / fabs(creals(out2[i])) <1e-15);
+		else assert(1);
+		if (cimags(out2[i])>1e-16)  assert( fabs(cimags(out2[i])-resultVectorsI[i]) / fabs(cimags(out2[i])) <1e-16);
+		else assert(1);
+	}
+	
+	
+	cspec2a(in2,2,out1,out2);	
+	for(i=0;i<4;i++){
+		if (creals(out1[i])>1e-16)  assert( fabs(creals(out1[i])-resultValues2R[i]) / fabs(creals(out1[i])) <1e-15);
+		else assert(1);
+		if (cimags(out1[i])>1e-16)  assert( fabs(cimags(out1[i])-resultValues2I[i]) / fabs(cimags(out1[i])) <1e-15);
+		else assert(1);
+	}	
+	for(i=0;i<4;i++){
+		if (creals(out2[i])>1e-16)  assert( fabs(creals(out2[i])-resultVectors2R[i]) / fabs(creals(out2[i])) <1e-15);
+		else assert(1);
+		if (cimags(out2[i])>1e-16)  assert( fabs(cimags(out2[i])-resultVectors2I[i]) / fabs(cimags(out2[i])) <1e-16);
+		else assert(1);
+	}
+}
+
+
+
+
+static int testSpec2(void){
+	printf(">>> Float Spec2 Tests <<<\n");
+	printf(">>> Float <<<\n");
+	sspec2aTest();
+	printf(">>> FloatComplex <<<\n");
+	cspec2aTest();
+	return 0;
+}
+
+
+int main(void){
+	assert (testSpec2()==0);
+
+	
+	return 0;
+}
diff --git a/2.3-1/src/c/linearAlgebra/spec2/test_DoubleSpec2/testDoubleSpec2.vcxproj b/2.3-1/src/c/linearAlgebra/spec2/test_DoubleSpec2/testDoubleSpec2.vcxproj
new file mode 100644
index 00000000..7c36943b
--- /dev/null
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diff --git a/2.3-1/src/c/linearAlgebra/spec2/test_FloatSpec2/testFloatSpec2.vcxproj b/2.3-1/src/c/linearAlgebra/spec2/test_FloatSpec2/testFloatSpec2.vcxproj
new file mode 100644
index 00000000..f4154eb1
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec2/test_FloatSpec2/testFloatSpec2.vcxproj
@@ -0,0 +1,178 @@
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diff --git a/2.3-1/src/c/linearAlgebra/spec2/test_FloatSpec2/testFloatSpec2.vcxproj.filters b/2.3-1/src/c/linearAlgebra/spec2/test_FloatSpec2/testFloatSpec2.vcxproj.filters
new file mode 100644
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diff --git a/2.3-1/src/c/linearAlgebra/spec2/zspec2a.c b/2.3-1/src/c/linearAlgebra/spec2/zspec2a.c
new file mode 100644
index 00000000..e33ed897
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/spec2/zspec2a.c
@@ -0,0 +1,96 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+#include <stdlib.h>
+#include "spec.h"
+#include "lapack.h"
+#include "zeros.h"
+#include "stdio.h"
+#include "conj.h"
+
+void zspec2a(doubleComplex* in, int rows,doubleComplex* eigenvalues, doubleComplex* eigenvectors){
+	int i = 0, j = 0;
+	int hermitian = 0;
+	int INFO = 0;
+	int iWorkSize = 0;
+	doubleComplex* pdblWork;
+	doubleComplex* pdblLeftvectors;
+	doubleComplex* pdblRightvectors;
+	doubleComplex* pdblRWork;
+	double* pdblRWork2;
+	double* outReal;
+	double* outImag;
+	doubleComplex* inCopy;
+	
+	inCopy = (doubleComplex*)malloc((unsigned int)(rows*rows) * sizeof(doubleComplex));
+	outReal = (double*)malloc((unsigned int)rows * sizeof(double));
+	outImag = (double*)malloc((unsigned int)rows * sizeof(double));
+	pdblLeftvectors=NULL;
+	pdblRightvectors=NULL;
+	
+	iWorkSize = 2*rows;
+	pdblWork = (doubleComplex*)malloc((unsigned int)iWorkSize * sizeof(doubleComplex));
+	pdblRWork = NULL;	
+	pdblRWork2 = NULL;
+	
+	for(i=0;i<rows*rows;i++) {
+		inCopy[i]=DoubleComplex(zreals(in[i]),zimags(in[i]));
+		eigenvectors[i]=DoubleComplex(zreals(in[i]),zimags(in[i]));
+	}	
+	zzerosa(eigenvalues,1,rows*rows);
+	
+	
+	/* look if the matrix is symmetric */
+	for (i=0;i<rows;i++){
+		for (j=0;j<rows;j++) 
+			if ( (zreals(in[i*rows+j])!=zreals(zconjs(in[i+j*rows]))) ||
+			     (zimags(in[i*rows+j])!=zimags(zconjs(in[i+j*rows])))  )
+			     break;
+		if (j!=rows) break;
+	}
+		
+	
+	/* the matrix is symmetric if the 2 loops goes to end i.e
+		i==rows and j==rows */
+	if ((i==rows)&&(j==rows)) hermitian=1;
+	
+	
+	/* apply lapack function according to symmetry */
+	if(hermitian){
+		pdblRWork2 = (double*)malloc((unsigned int)(3*rows) * sizeof(double));
+		C2F(zheev)( "V", "U", &rows, eigenvectors, &rows, outReal, pdblWork, &iWorkSize, pdblRWork2, &INFO );
+		dzerosa(outImag,1,rows);
+		for (i=0;i<rows;i++) eigenvalues[i+i*rows]=DoubleComplex(outReal[i],outImag[i]);
+	}
+	else {
+		pdblRWork = (doubleComplex*)malloc((unsigned int)(3*rows) * sizeof(doubleComplex));	
+		C2F(zgeev)( "N", "V", &rows, inCopy, &rows, eigenvalues, 
+		pdblLeftvectors, &rows, eigenvectors, &rows, pdblWork, &iWorkSize,
+		pdblRWork, &INFO );
+		for (i=1;i<rows;i++) {
+			eigenvalues[i+i*rows]=DoubleComplex(zreals(eigenvalues[i]),zimags(eigenvalues[i]));
+			eigenvalues[i]=DoubleComplex(0,0);
+		}
+	}
+	
+	
+
+
+	free(inCopy);
+	free(outReal);
+	free(outImag);
+	free(pdblWork);
+	free(pdblRWork);
+	free(pdblRWork2);
+	free(pdblLeftvectors);
+	free(pdblRightvectors);
+}
diff --git a/2.3-1/src/c/linearAlgebra/sva/dsvaa.c b/2.3-1/src/c/linearAlgebra/sva/dsvaa.c
new file mode 100644
index 00000000..ee27eef7
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/sva/dsvaa.c
@@ -0,0 +1,92 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+
+ */
+#include "sva.h"
+#include "svd.h"
+#include "lapack.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include "string.h"
+#include "matrixTranspose.h"
+
+#define eps 2.22044604925e-16
+
+void dsvaa(int ninp,double *in1,int row,int col,double in2,double *out1, \
+	double *out2,double *out3){
+
+	double tol;
+	double rk=0;
+	int N=col,M=row;
+	if(row == 0 && col == 0) return;
+	int i,j;
+	int arow;		/*Actual row of given matrix*/
+	int acol;		/*Actual col of given matrix*/
+
+	/* Calculation of svd of a given matrix */
+	double *U,*S,*V;
+	U = (double *)malloc((double)row*Min(row,col)*sizeof(double));
+	S = (double *)malloc((double)Min(row,col)*Min(row,col)*sizeof(double));
+	V = (double *)malloc((double)col*Min(row,col)*sizeof(double));
+		
+	dsvda(in1,M,N,1,3,U,S,V);
+
+	if (ninp == 1){ 		/* [u,s,v] = sva(A) when input is only matrix */
+		tol = Max(row,col)*S[0]*eps;
+		rk = 0;		
+		for(i=0;i<col;i++){
+			if(S[i+i*row] > tol){
+				rk+=1;			
+			}		
+		}
+	}
+	else{				/*[u,s,v] = sva(A,tol) when two input's are there */
+		tol = in2;
+		if(tol > 1){
+			rk = tol;
+			if(rk > Min(row,col)){
+				printf("ERROR:  Wrong value for input argument !");	
+				out1 = NULL;
+				out2 = NULL;
+				out3 = NULL;
+				return;	
+			}		
+		}
+		else{
+			rk = 0;
+			for(i=0;i<col;i++){
+				if(S[i+i*row] > tol){
+					rk+=1;
+				}
+			}	
+		}	
+	}
+	arow = M;
+	acol = Min(M,N);	
+	for(i=0;i<arow;i++){
+		for(j=0;j<rk;j++){
+			out1[i+j*row]=U[i+j*arow];		
+		}	
+	}
+	arow = Min(M,N);
+	for(i=0;i<rk;i++){
+		for(j=0;j<rk;j++){
+			out2[i+j*(int)rk] = S[i+j*arow];	
+		}			
+	}
+	arow = N;
+	acol = Min(M,N);
+	for(i=0;i<arow;i++){
+		for(j=0;j<rk;j++){
+			out3[i+j*arow] = V[i+j*arow];		
+		}
+	}	
+}
diff --git a/2.3-1/src/c/linearAlgebra/svd/dsvda.c b/2.3-1/src/c/linearAlgebra/svd/dsvda.c
new file mode 100644
index 00000000..e6af3008
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/svd/dsvda.c
@@ -0,0 +1,126 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+
+ */
+
+/*Funtion to find singular value decomposition of given matrix */
+
+#include "lapack.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include "string.h"
+#include <math.h>
+#include "svd.h"
+#include "matrixTranspose.h"
+
+int min(int a,int b);
+int max(int a,int b);
+
+extern double dgesvd_(char*,char*,int*,int*,double*,int*,double*,double*,int*,\
+	double*,int*,double *,int*,int*);
+
+/*  DGESVD computes the singular value decomposition (SVD) of a real
+ M-by-N matrix A, optionally computing the left and/or right singular
+ vectors. The SVD is written
+
+      A = U * SIGMA * transpose(V) */
+
+void dsvda(double *in1,int row,int col,double in2,double nout,double *out1, \
+	double *out2,double *out3){
+
+	char JOBU,JOBVT;
+	int j,k;
+	int LDU=1;			/*Leading Dimension of U */
+	int LDVT=1;			/*Leading Dimension of VT */
+	int M = row;
+	int N = col;
+	double *buf;
+	double *S,*U,*VT;
+	double *WORK;
+	
+	if((nout > 1 && in2 == 1) && (M != N)){	/* [U,S,VT] = svd(x,'e') */
+		if(M > N){		
+			JOBU = 'S';
+			JOBVT = 'A';
+			LDVT = N;
+		}
+		else{
+			JOBU = 'A';
+			JOBVT = 'S';		
+			LDVT = min(M,N);	
+		}
+		LDU = M; 		
+		U = (double*) malloc((double) (LDU)*min(M,N)*sizeof(double));
+		VT = (double*) malloc((double) (LDVT)*N*sizeof(double));
+	}
+	else if(nout > 1){		/* [U,S,VT = svd(x)] */
+		JOBU = 'A'; 		/*If JOBU = 'A', U contains the M-by-M orthogonal matrix U */
+		JOBVT = 'A';		/*JOBVT = 'A':  all N rows of V**T are returned in the array VT;*/
+		LDU = M;
+		LDVT = N;
+		U = (double*) malloc((double) M*M*sizeof(double));
+		VT = (double*) malloc((double) N*N*sizeof(double));
+	}	
+	else{				/* ans = svd(x) */
+		JOBU = 'N';	
+		JOBVT = 'N';
+	}
+	int LDA = max(1,M);
+
+	/* Making a copy of input matrix */
+	buf = (double*) malloc((double)M*N*sizeof(double));
+	memcpy(buf,in1,M*N*sizeof(double));
+	
+	S = (double*)malloc((double)min(col,row)*sizeof(double));
+
+	int LWORK = 5*min(M,N);
+	WORK = (double*)malloc((double)LWORK*sizeof(double));
+	int INFO = 0;	/*For successful exit */
+
+	dgesvd_(&JOBU,&JOBVT,&M,&N,buf,&LDA,S,U,&LDU,VT,&LDVT,WORK,&LWORK,&INFO);
+	/*Subroutine DGESVD from Lapack lib. */
+
+	if (nout  == 1){	/* ans = svd(x)*/
+		memcpy(out1,S,min(row,col)*sizeof(double));
+		//printf("%lf %lf %lf",*(S),*(S+1),*(S+2));
+	}			/* [U,S,VT] = svd(x) */
+	else if(in2 == 0 && nout > 1){
+		memcpy(out1,U,LDU*M*sizeof(double));
+		//memcpy(out3,VT,LDVT*min(row,col)*sizeof(double));
+		for(j=0;j<M;j++){
+			for(k=0;k<N;k++){
+				if(j == k) *((out2+j*(min(M,N)))+k) = *(S+j);
+				else *((out2+j*(min(M,N)))+k) = 0;					
+			}
+		}							
+		dtransposea(VT,LDVT,N,out3);
+	}
+	else{
+		memcpy(out1,U,LDU*min(row,col)*sizeof(double));
+		for(j=0;j<min(M,N);j++){
+			for(k=0;k<min(M,N);k++){
+				if(j == k) *((out2+j*(min(M,N)))+k) = *(S+j);
+				else *((out2+j*(min(M,N)))+k) = 0;					
+			}
+		}
+		dtransposea(VT,LDVT,N,out3);
+	}	   
+}
+
+int min(int a,int b){
+	if(a > b) return b;
+	return a;
+}
+
+int max(int a,int b){
+	if(a > b) return a;
+	return b;
+}
diff --git a/2.3-1/src/c/linearAlgebra/svd/zsvda.c b/2.3-1/src/c/linearAlgebra/svd/zsvda.c
new file mode 100644
index 00000000..0d360222
--- /dev/null
+++ b/2.3-1/src/c/linearAlgebra/svd/zsvda.c
@@ -0,0 +1,173 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+
+ */
+#include "svd.h"
+#include "lapack.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include "string.h"
+#include "doubleComplex.h"
+#include "matrixTranspose.h"
+#include "conj.h"
+
+extern doubleComplex zgesvd_( char* , char* , int* , int* ,doubleComplex *,\
+                int* , double* ,doubleComplex* , int* ,doubleComplex* , int* ,\
+                 doubleComplex* , int* , double* , int* );
+
+
+int Min(int a,int b){
+	if(a > b)
+		return b;
+	return a;
+}
+
+int Max(int a,int b){
+	if(a > b)
+		return a;
+	else
+		return b;
+}
+
+void zsvda(doubleComplex *in1,int row,int col,int in2,int nout, doubleComplex *out1,\
+		doubleComplex *out2,doubleComplex *out3){
+		
+		/* Allocating memory and copying the input in buf*/
+		doubleComplex *buf;
+		buf = (doubleComplex *)malloc(row*col*sizeof(doubleComplex));
+		memcpy(buf,in1,row*col*sizeof(doubleComplex));
+
+		/* Type of variable used */
+		int i,j,k;
+		char JOBU,JOBVT;
+		int M = row;
+		int N = col;
+		int LDA,LDU,LDVT,LWORK,INFO;
+
+		/*double precision array to store Sigma*/
+		double *S;
+		S = (double *)malloc(Min(M,N)*sizeof(double));
+
+		/* amount of memory needed for work */
+		LWORK = Max(1,2*Min(M,N)+Max(M,N));
+		doubleComplex *WORK = malloc(Max(1,2*LWORK)*sizeof(doubleComplex));
+
+		double *RWORK;
+		RWORK = (double *)malloc(5*Min(M,N)*sizeof(double));
+
+		INFO = 0;
+
+		if(nout == 1){
+			JOBU = 'N';	
+			JOBVT = 'N';		 
+			LDA = M;
+			LDU = M;
+			LDVT = N;
+			//doubleComplex *U,*VT;	
+			//U = malloc(sizeof(doubleComplex));
+			//VT = malloc(sizeof(doubleComplex));
+		 	zgesvd_(&JOBU,&JOBVT,&M,&N,buf,&LDA,S,NULL,&LDU,NULL,&LDVT,WORK,&LWORK,RWORK,&INFO);
+			
+			//memcpy(out2,S,Min(M,N)*sizeof(double));
+			for(i=0;i<Min(M,N);i++){
+				out2[i] = DoubleComplex(S[i],0);				
+				//out2[i] = S[i];
+				//out2[i] = 0;		
+			}
+			out1 = NULL;
+			out3 = NULL;
+			//for(i=0;i<Min(M,N);i++) printf("%lf ",S[i]);
+			//free(S);	
+		}
+		else if(nout == 3){
+			if(in2 == 0 || M == N){			
+				JOBU = 'A';		
+				JOBVT = 'A';	
+				LDA = M;
+				LDU = M;
+				LDVT = N;
+				doubleComplex *U = malloc(LDU*M*sizeof(doubleComplex));
+				doubleComplex *VT = malloc(LDVT*N*sizeof(doubleComplex));
+
+				/*doubleComplex wopt;
+				LWORK = -1;
+				zgesvd_(&JOBU,&JOBVT,&M,&N,buf,&LDA,S,U,&LDU,VT,&LDVT,&wopt,&LWORK,RWORK,&INFO);*/
+
+				//LWORK = (int)zreals(wopt);
+				
+				WORK = (doubleComplex *)malloc(LWORK*sizeof(doubleComplex));
+				zgesvd_(&JOBU,&JOBVT,&M,&N,buf,&LDA,S,U,&LDU,VT,&LDVT,WORK,&LWORK,RWORK,&INFO);
+
+				memcpy(out1,U,LDU*Min(M,N)*sizeof(doubleComplex));
+				//memcpy(out3,VT,N*N*sizeof(doubleComplex));
+				for(i=0;i<N;i++){
+					for(j=i;j<N;j++){
+						out3[i+j*N] = zconjs(VT[j+i*N]);
+						out3[j+i*N] = zconjs(VT[i+j*N]);				
+					}
+				}			
+				//ztransposea(VT,LDVT,Min(M,N),out3);
+				/*for(i=0;i<N;i++){
+					for(j=0;j<N;j++){
+						printf("[ %lf %lf]",zreals(VT[i*N+j]),zimags(VT[i*N+j]));
+					}				
+					printf("\n");	
+				}*/
+				//free(U);
+				//free(VT);
+			}
+			else{
+				LDA = M;
+				LDU = M;
+				if(M > N){
+					JOBU = 'S';					
+					JOBVT = 'A';
+					LDVT = N;				
+				}
+				else{
+					JOBU = 'A';
+					JOBVT = 'S';
+					LDVT = Min(M,N);	
+				}
+				doubleComplex *U;
+				U = malloc(LDU*Min(M,N)*sizeof(doubleComplex));
+				doubleComplex *VT;
+				VT = malloc(LDVT*N*sizeof(doubleComplex));
+				zgesvd_(&JOBU,&JOBVT,&M,&N,buf,&LDA,S,U,&LDU,VT,&LDVT,WORK,&LWORK,RWORK,&INFO);
+				memcpy(out1,U,M*Min(M,N)*sizeof(doubleComplex));
+				//ztransposea(VT,LDVT,Min(row,col),out3);
+				
+				/* These lines are added to patch an error of ZGESVD */
+				/*
+					ij = i+(j-1)*N
+              		ji = j+(i-1)*N
+               		zstk(lV+ij-1) = conjg(zstk(lVT+ji-1))
+               		zstk(lV+ji-1) = conjg(zstk(lVT+ij-1))								
+				*/
+				for(i=0;i<Min(M,N);i++){
+					for(j=0;j<N;j++){
+						out3[j+i*N] = zconjs(VT[i+j*Min(M,N)]);				
+					}
+				}								
+				//free(U);
+				//free(VT);
+			}
+			/* output from zgesvd is copied to out2 variables in required format*/
+			for(j=0;j<Min(M,N);j++){
+				for(k=0;k<Min(M,N);k++){
+					if(j == k)
+						out2[j*(Min(M,N))+k] = DoubleComplex(S[j],0);
+					else 
+						out2[j*(Min(M,N))+k] = DoubleComplex(0,0);					
+				}
+			}
+		}
+}
diff --git a/2.3-1/src/c/matrixOperations/cat/ccata.c b/2.3-1/src/c/matrixOperations/cat/ccata.c
index a6ac6cf0..cd2b4c92 100644
--- a/2.3-1/src/c/matrixOperations/cat/ccata.c
+++ b/2.3-1/src/c/matrixOperations/cat/ccata.c
@@ -26,7 +26,7 @@ void		crowcata(floatComplex *in1, int lines1, int columns1, floatComplex *in2, i
     {
       for (j = 0 ; j < lines1 ; ++j)
 	{
-	  /*out[i*(lines1 + lines2) + j] = in1[i*lines1 + j];*/
+	  out[i*(lines1 + lines2) + j] = in1[i*lines1 + j];
 	}
        for (j = 0 ; j < lines2 ; ++j)
 	{
diff --git a/2.3-1/src/c/matrixOperations/cat/zcata.c b/2.3-1/src/c/matrixOperations/cat/zcata.c
index bfb6e922..485553d7 100644
--- a/2.3-1/src/c/matrixOperations/cat/zcata.c
+++ b/2.3-1/src/c/matrixOperations/cat/zcata.c
@@ -26,7 +26,7 @@ void		zrowcata(doubleComplex *in1, int lines1, int columns1, doubleComplex *in2,
     {
       for (j = 0 ; j < lines1 ; ++j)
 	{
-	  /*out[i*(lines1 + lines2) + j] = in1[i*lines1 + j];*/
+	  out[i*(lines1 + lines2) + j] = in1[i*lines1 + j];
 	}
        for (j = 0 ; j < lines2 ; ++j)
 	{
diff --git a/2.3-1/src/c/scilab-arduino/cmd_analog_in_volt/u8cmd_analog_in_volts.c b/2.3-1/src/c/scilab-arduino/cmd_analog_in_volt/u8cmd_analog_in_volts.c
new file mode 100644
index 00000000..7018df2c
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/cmd_analog_in_volt/u8cmd_analog_in_volts.c
@@ -0,0 +1,22 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Yash Pratap Singh Tomar
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include "cmd_analog_in_volt.h"
+#include "Arduino.h"
+
+float u8cmd_analog_in_volts(uint8 board_no, uint8 pin)
+{
+    float a;
+    a = ((5*(float)analogRead(pin))/1023);
+    return(a);
+}
+
diff --git a/2.3-1/src/c/scilab-arduino/cmd_analog_out_volt/u8cmd_analog_out_volts.c b/2.3-1/src/c/scilab-arduino/cmd_analog_out_volt/u8cmd_analog_out_volts.c
new file mode 100644
index 00000000..2dd82e41
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/cmd_analog_out_volt/u8cmd_analog_out_volts.c
@@ -0,0 +1,22 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Yash Pratap Singh Tomar
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include "cmd_analog_out_volt.h"
+#include "Arduino.h"
+
+void u8cmd_analog_out_volts(uint8 board_no, uint8 pin, float value)
+{	
+    int a;
+    a = ((value*255)/5);
+    analogWrite(pin,a);
+    
+}
diff --git a/2.3-1/src/c/scilab-arduino/cmd_dcmotor_release/u8cmd_dcmotor_releases.c b/2.3-1/src/c/scilab-arduino/cmd_dcmotor_release/u8cmd_dcmotor_releases.c
new file mode 100644
index 00000000..349bcb17
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/cmd_dcmotor_release/u8cmd_dcmotor_releases.c
@@ -0,0 +1,29 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Yash Pratap Singh Tomar
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include "cmd_dcmotor_release.h"
+#include "Arduino.h"
+
+void u8cmd_dcmotor_releases(uint8 board_no, uint8 motor_no)
+{
+	if (dcm_mode[motor_no] == 3)
+	{
+		analogWrite(dcm_pin_1[motor_no],0);
+		analogWrite(dcm_pin_2[motor_no],0);
+	}
+
+	else 
+	{
+		digitalWrite(dcm_pin_1[motor_no],LOW);
+		digitalWrite(dcm_pin_2[motor_no],LOW);
+	}
+}
diff --git a/2.3-1/src/c/scilab-arduino/cmd_dcmotor_run/u8cmd_dcmotor_runs.c b/2.3-1/src/c/scilab-arduino/cmd_dcmotor_run/u8cmd_dcmotor_runs.c
index 6e1c2caa..e8fa8b3c 100644
--- a/2.3-1/src/c/scilab-arduino/cmd_dcmotor_run/u8cmd_dcmotor_runs.c
+++ b/2.3-1/src/c/scilab-arduino/cmd_dcmotor_run/u8cmd_dcmotor_runs.c
@@ -6,6 +6,7 @@
  are also available at
  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
  Author: Siddhesh Wani
+ Revised by: Yash Pratap Singh Tomar
  Organization: FOSSEE, IIT Bombay
  Email: toolbox@scilab.in
 */
diff --git a/2.3-1/src/c/scilab-arduino/cmd_dcmotor_setup/u8cmd_dcmotor_setups.c b/2.3-1/src/c/scilab-arduino/cmd_dcmotor_setup/u8cmd_dcmotor_setups.c
index 389f9111..0d04e748 100644
--- a/2.3-1/src/c/scilab-arduino/cmd_dcmotor_setup/u8cmd_dcmotor_setups.c
+++ b/2.3-1/src/c/scilab-arduino/cmd_dcmotor_setup/u8cmd_dcmotor_setups.c
@@ -6,6 +6,7 @@
  are also available at
  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
  Author: Siddhesh Wani
+ Revised by: Yash Pratap Singh Tomar
  Organization: FOSSEE, IIT Bombay
  Email: toolbox@scilab.in
 */
diff --git a/2.3-1/src/c/scilab-arduino/cmd_i2c_dev/u8cmd_i2c_devs.cpp b/2.3-1/src/c/scilab-arduino/cmd_i2c_dev/u8cmd_i2c_devs.cpp
new file mode 100644
index 00000000..adc1a6e5
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/cmd_i2c_dev/u8cmd_i2c_devs.cpp
@@ -0,0 +1,10 @@
+#include "cmd_i2c_dev.h"
+#include "Arduino.h"
+#include "Wire.h"
+
+
+uint8 u8cmd_i2c_devs(uint8 address)
+{
+       Wire.begin(); 
+       return((uint8)address); 
+}
diff --git a/2.3-1/src/c/scilab-arduino/cmd_i2c_read/u8cmd_i2c_reads.cpp b/2.3-1/src/c/scilab-arduino/cmd_i2c_read/u8cmd_i2c_reads.cpp
new file mode 100644
index 00000000..8f02a87e
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/cmd_i2c_read/u8cmd_i2c_reads.cpp
@@ -0,0 +1,18 @@
+#include "cmd_i2c_read.h"
+#include "Arduino.h"
+#include "Wire.h"
+
+float u8cmd_i2c_reads(uint8 address, uint8 bytes)
+{
+	
+  		float c;				   	   //variable declaration to save received data
+
+		//  request reading from sensor
+  		Wire.requestFrom(address, bytes);          // request no. of bytes(given) from slave device with address
+
+                // receive reading from sensor
+		while (Wire.available())		   //If data is received
+     		c = Wire.read(); 			   //Save received data in variable
+		return(c);
+	
+}
diff --git a/2.3-1/src/c/scilab-arduino/cmd_i2c_read_register/u8cmd_i2c_read_registers.cpp b/2.3-1/src/c/scilab-arduino/cmd_i2c_read_register/u8cmd_i2c_read_registers.cpp
new file mode 100644
index 00000000..0a2ec2ed
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/cmd_i2c_read_register/u8cmd_i2c_read_registers.cpp
@@ -0,0 +1,26 @@
+#include "cmd_i2c_read_register.h"
+#include "Arduino.h"
+#include "Wire.h"
+
+uint16 u8cmd_i2c_read_registers(uint8 address, uint8 reg_adrs)
+{
+  long int reading;
+
+  Wire.beginTransmission(address); // transmit to device address
+  Wire.write(reg_adrs);      // sets register pointer to reg_adrs position
+  Wire.endTransmission();      // stop transmitting
+
+  //  request reading from sensor
+  Wire.requestFrom(address, 2);    // request 2 bytes from slave device with address
+
+  // receive reading from sensor
+  if (2 <= Wire.available())  // if two bytes were received
+  {
+    reading = Wire.read();  // receive high byte (overwrites previous reading)
+    reading = reading << 8;    // shift high byte to be high 8 bits
+    reading |= Wire.read(); // receive low byte as lower 8 bits
+  }
+  
+    return(reading);
+
+}
diff --git a/2.3-1/src/c/scilab-arduino/cmd_i2c_write/u8cmd_i2c_writes.cpp b/2.3-1/src/c/scilab-arduino/cmd_i2c_write/u8cmd_i2c_writes.cpp
new file mode 100644
index 00000000..0239097a
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/cmd_i2c_write/u8cmd_i2c_writes.cpp
@@ -0,0 +1,13 @@
+#include "cmd_i2c_write.h"
+#include "Arduino.h"
+#include "Wire.h"
+
+void u8cmd_i2c_writes(uint8 address, uint8 data)
+{
+	
+		Wire.beginTransmission(address);    //Begins transmission to the device connected to given address
+		Wire.write(data);                   //sends data to slave device
+  		Wire.endTransmission();             //Transmission ends
+	
+} 
+
diff --git a/2.3-1/src/c/scilab-arduino/cmd_i2c_write_register/u8cmd_i2c_write_registers.cpp b/2.3-1/src/c/scilab-arduino/cmd_i2c_write_register/u8cmd_i2c_write_registers.cpp
new file mode 100644
index 00000000..63cc7c7a
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/cmd_i2c_write_register/u8cmd_i2c_write_registers.cpp
@@ -0,0 +1,16 @@
+#include "cmd_i2c_write_register.h"
+#include "Arduino.h"
+#include "Wire.h"
+
+void u8cmd_i2c_write_registers(uint8 address, uint8 reg_adrs, uint8 data)
+{
+
+
+		Wire.beginTransmission(address); //Begins transmission to the device connected to given address
+		Wire.write(reg_adrs); 	         //sets register pointer to reg_adrs position
+  		Wire.write(data);                //writes given data on reg_adrs position
+  		Wire.endTransmission();          //Transmission ends
+
+
+} 
+
diff --git a/2.3-1/src/c/scilab-arduino/includes/cmd_analog_in_volt.h b/2.3-1/src/c/scilab-arduino/includes/cmd_analog_in_volt.h
new file mode 100644
index 00000000..ec471426
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/includes/cmd_analog_in_volt.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Yash Pratap Singh Tomar 
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifndef __CMD_ANALOG_IN_VOLT_H__
+#define __CMD_ANALOG_IN_VOLT_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+	
+float u8cmd_analog_in_volts(uint8 board_no, uint8 pin);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __CMD_ANALOG_IN_VOLT_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/includes/cmd_analog_out_volt.h b/2.3-1/src/c/scilab-arduino/includes/cmd_analog_out_volt.h
new file mode 100644
index 00000000..51580fbb
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/includes/cmd_analog_out_volt.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Yash Pratap Singh Tomar
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifndef __CMD_ANALOG_OUT_VOLT_H__
+#define __CMD_ANALOG_OUT_VOLT_H__
+ 
+#include "types.h"
+#ifdef  __cplusplus
+extern "C" {
+#endif
+	
+void u8cmd_analog_out_volts(uint8 board_no, uint8 pin, float value);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __CMD_ANALOG_OUT_VOLT_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/includes/cmd_dcmotor_release.h b/2.3-1/src/c/scilab-arduino/includes/cmd_dcmotor_release.h
new file mode 100644
index 00000000..d185fb5e
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/includes/cmd_dcmotor_release.h
@@ -0,0 +1,30 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Yash Pratap Singh Tomar
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifndef __CMD_DCMOTOR_RELEASE_H__
+#define __CMD_DCMOTOR_RELEASE_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+extern uint8 dcm_pin_1[4], dcm_pin_2[4], dcm_mode[4];
+	
+void u8cmd_dcmotor_releases(uint8 board_no, uint8 motor_no);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __CMD_DCMOTOR_RELEASE_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/includes/cmd_dcmotor_run.h b/2.3-1/src/c/scilab-arduino/includes/cmd_dcmotor_run.h
index 2b69c99b..1b5d41c1 100644
--- a/2.3-1/src/c/scilab-arduino/includes/cmd_dcmotor_run.h
+++ b/2.3-1/src/c/scilab-arduino/includes/cmd_dcmotor_run.h
@@ -22,7 +22,7 @@ extern "C" {
 
 extern uint8 dcm_pin_1[4], dcm_pin_2[4], dcm_mode[4];
 	
-void u8cmd_dc_motor_runs(uint8 board_no, uint8 motor_no, int16 duty);
+void u8cmd_dcmotor_runs(uint8 board_no, uint8 motor_no, int16 duty);
 
 #ifdef  __cplusplus
 } /* extern "C" */
diff --git a/2.3-1/src/c/scilab-arduino/includes/cmd_dcmotor_setup.h b/2.3-1/src/c/scilab-arduino/includes/cmd_dcmotor_setup.h
index cecd4659..45854ffb 100644
--- a/2.3-1/src/c/scilab-arduino/includes/cmd_dcmotor_setup.h
+++ b/2.3-1/src/c/scilab-arduino/includes/cmd_dcmotor_setup.h
@@ -22,7 +22,7 @@ extern "C" {
 
 extern uint8 dcm_pin_1[4], dcm_pin_2[4], dcm_mode[4];
 	
-void u8cmd_dc_motor_setups(uint8 board_no, uint8 driver_type, uint8 motor_no,\
+void u8cmd_dcmotor_setups(uint8 board_no, uint8 driver_type, uint8 motor_no,\
 							uint8 pin_1, uint8 pin_2);
 
 #ifdef  __cplusplus
diff --git a/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_dev.h b/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_dev.h
new file mode 100644
index 00000000..861a8e7b
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_dev.h
@@ -0,0 +1,16 @@
+#ifndef __CMD_I2C_DEV_H__
+#define __CMD_I2C_DEV_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+	
+uint8 u8cmd_i2c_devs(uint8 address);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __CMD_I2C_DEV_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_read.h b/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_read.h
new file mode 100644
index 00000000..791bdd38
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_read.h
@@ -0,0 +1,16 @@
+#ifndef __CMD_I2C_READ_H__
+#define __CMD_I2C_READ_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+	
+float u8cmd_i2c_reads(uint8 address, uint8 bytes);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __CMD_I2C_READ_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_read_register.h b/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_read_register.h
new file mode 100644
index 00000000..ea203adf
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_read_register.h
@@ -0,0 +1,16 @@
+#ifndef __CMD_I2C_READ_REGISTER_H__
+#define __CMD_I2C_READ_REGISTER_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+	
+uint16 u8cmd_i2c_read_registers(uint8 address, uint8 reg_adrs);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __CMD_I2C_READ_REGISTER_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_write.h b/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_write.h
new file mode 100644
index 00000000..6a57222b
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_write.h
@@ -0,0 +1,16 @@
+#ifndef __CMD_I2C_WRITE_H__
+#define __CMD_I2C_WRITE_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+	
+void u8cmd_i2c_writes(uint8 address, uint8 data);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __CMD_I2C_WRITE_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_write_register.h b/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_write_register.h
new file mode 100644
index 00000000..ff1b9ec0
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/includes/cmd_i2c_write_register.h
@@ -0,0 +1,16 @@
+#ifndef __CMD_I2C_WRITE_REGISTER_H__
+#define __CMD_I2C_WRITE_REGISTER_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+	
+void u8cmd_i2c_write_registers(uint8 address, uint8 reg_adrs, uint8 data);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __CMD_I2C_WRITE_REGISTER_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_analog_in_volt.h b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_analog_in_volt.h
new file mode 100644
index 00000000..e8fe65d7
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_analog_in_volt.h
@@ -0,0 +1,30 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Yash Pratap Singh Tomar
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#ifndef __INT_CMD_ANALOG_IN_VOLT_H__
+#define __INT_CMD_ANALOG_IN_VOLT_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d0d0cmd_analog_in_volts0(in1,in2) u8cmd_analog_in_volts((uint8)in1,(uint8)in2)
+									
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __INT_CMD_ANALOG_IN_VOLT_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_analog_out_volt.h b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_analog_out_volt.h
new file mode 100644
index 00000000..283f8fa0
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_analog_out_volt.h
@@ -0,0 +1,30 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Yash Pratap Singh Tomar
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifndef __INT_CMD_ANALOG_OUT_VOLT_H__
+#define __INT_CMD_ANALOG_OUT_VOLT_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d0d0d0cmd_analog_out_volt(in1,in2,in3) u8cmd_analog_out_volts((uint8)in1,(uint8)in2,(float)in3)	
+
+#define d0d0s0cmd_analog_out_volt(in1,in2,in3) u8cmd_analog_out_volts((uint8)in1,(uint8)in2,(float)in3)	
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __INT_CMD_ANALOG_OUT_VOLT_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_dcmotor.h b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_dcmotor.h
index 61e0d2e3..d465ff6f 100644
--- a/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_dcmotor.h
+++ b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_dcmotor.h
@@ -6,6 +6,7 @@
  are also available at
  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
  Author: Siddhesh Wani
+ Revised by: Yash Pratap Singh Tomar
  Organization: FOSSEE, IIT Bombay
  Email: toolbox@scilab.in
 */
@@ -20,16 +21,16 @@
 extern "C" {
 #endif
 
-#define d0d0d0d0d0cmd_dcmotor_setup(in1,in2,in3,in4,in5)\
-			u8cmd_dcmotor_setups((uint8)in1,(uint8)in2,(uint8)in3,\
-			(uint8)in4,(uint8)in5)
+#define d0d0d0d0d0cmd_dcmotor_setup(in1,in2,in3,in4,in5) u8cmd_dcmotor_setups((uint8)in1,(uint8)in2,(uint8)in3,(uint8)in4,(uint8)in5)
 
 #define d0d0d0cmd_dcmotor_run(in1,in2,in3) u8cmd_dcmotor_runs((uint8)in1,\
 				(uint8)in2, (int16)in3);	
 
 
 #define d0d0u160cmd_dcmotor_run(in1,in2,in3) u8cmd_dcmotor_runs((uint8)in1,\
-				(uint8)in2, (int16)in3);	
+				(uint8)in2, (int16)in3);
+
+#define d0d0cmd_dcmotor_release(in1,in2) u8cmd_dcmotor_releases((uint8)in1,(uint8)in2)	
 
 
 #ifdef  __cplusplus
diff --git a/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_dev.h b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_dev.h
new file mode 100644
index 00000000..c4d93d74
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_dev.h
@@ -0,0 +1,17 @@
+#ifndef __INT_CMD_I2C_DEV_H__
+#define __INT_CMD_I2C_DEV_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d0cmd_i2c_devu80(in1) u8cmd_i2c_devs((uint8)in1)
+									
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __INT_CMD_I2C_DEV_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_read.h b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_read.h
new file mode 100644
index 00000000..b0633a07
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_read.h
@@ -0,0 +1,19 @@
+#ifndef __INT_CMD_I2C_READ_H__
+#define __INT_CMD_I2C_READ_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d0d0cmd_i2c_reads0(in1, in2) u8cmd_i2c_reads((uint8)in1, (uint8)in2)
+
+#define u80d0cmd_i2c_reads0(in1, in2) u8cmd_i2c_reads((uint8)in1, (uint8)in2)
+									
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __INT_CMD_I2C_READ_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_read_register.h b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_read_register.h
new file mode 100644
index 00000000..5f4c5298
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_read_register.h
@@ -0,0 +1,18 @@
+#ifndef __INT_CMD_I2C_READ_REGISTER_H__
+#define __INT_CMD_I2C_READ_REGISTER_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d0d0cmd_i2c_read_registeru160(in1, in2) u8cmd_i2c_read_registers((uint8)in1, (uint8)in2)
+									
+#define u80d0cmd_i2c_read_registeru160(in1, in2) u8cmd_i2c_read_registers((uint8)in1, (uint8)in2)
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __INT_CMD_I2C_READ_REGISTER_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_write.h b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_write.h
new file mode 100644
index 00000000..a7705a89
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_write.h
@@ -0,0 +1,20 @@
+#ifndef __INT_CMD_I2C_WRITE_H__
+#define __INT_CMD_I2C_WRITE_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d0d0cmd_i2c_write(in1, in2) u8cmd_i2c_writes((uint8)in1, (uint8)in2)
+
+#define u80d0cmd_i2c_write(in1, in2) u8cmd_i2c_writes((uint8)in1, (uint8)in2)
+
+									
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __INT_CMD_I2C_WRITE_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_write_register.h b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_write_register.h
new file mode 100644
index 00000000..35c0527e
--- /dev/null
+++ b/2.3-1/src/c/scilab-arduino/interfaces/int_cmd_i2c_write_register.h
@@ -0,0 +1,19 @@
+#ifndef __INT_CMD_I2C_WRITE_REGISTER_H__
+#define __INT_CMD_I2C_WRITE_REGISTER_H__
+ 
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d0d0d0cmd_i2c_write_register(in1, in2, in3) u8cmd_i2c_write_registers((uint8)in1, (uint8)in2, (uint8)in3)
+									
+#define u80d0d0cmd_i2c_write_register(in1, in2, in3) u8cmd_i2c_write_registers((uint8)in1, (uint8)in2, (uint8)in3)
+
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __INT_CMD_I2C_WRITE_REGISTER_H__ */
diff --git a/2.3-1/src/c/scilab-arduino/sleep/u16sleeps.c b/2.3-1/src/c/scilab-arduino/sleep/u16sleeps.c
index 88f8a66d..30459782 100644
--- a/2.3-1/src/c/scilab-arduino/sleep/u16sleeps.c
+++ b/2.3-1/src/c/scilab-arduino/sleep/u16sleeps.c
@@ -6,11 +6,13 @@
  are also available at
  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
  Author: Siddhesh Wani
+ Revised by: Yash Pratap Singh Tomar
  Organization: FOSSEE, IIT Bombay
  Email: toolbox@scilab.in
 */
 
 #include "sleep.h"
+#include "Arduino.h"
 
 void u16sleeps(uint16 delay_ms)
 {
diff --git a/2.3-1/src/c/signalProcessing/%k/dmodka.c b/2.3-1/src/c/signalProcessing/%k/dmodka.c
new file mode 100644
index 00000000..c0630ec0
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/%k/dmodka.c
@@ -0,0 +1,97 @@
+#include<stdio.h>
+#include<math.h>
+#include "modk.h"
+double max_calc(double* ptr,int sz)
+{
+	int i=0;
+	double mx;
+	if(ptr[0]<0)
+	{
+	    ptr[0]=-1*ptr[0];
+	}
+	mx=(ptr[0]);
+	//printf("%lf\n",mx);
+	for(i=1;i<sz;i++)
+	{
+	if(ptr[i]<0)
+	{
+	    ptr[i]=-1*ptr[i];
+	}
+	if(mx<(ptr[i]))
+	mx=(ptr[i]);
+	}
+    return mx;
+}
+void dmodka(double* inp,int size,double* oup)
+{
+	double ones[size],PI=M_PI;
+	double eps=pow(2,-52);
+	int i;
+	for(i=0;i<size;i++)
+	{
+	ones[i]=1;
+	}
+	double a[size],b[size],c[size],an[size],bn[size],cn[size],kans[size];
+	
+	int j,kk,l,m;
+	for(j=0;j<size;j++)
+	{
+	a[j]=1;
+	}
+	for(kk=0;kk<size;kk++)
+	{
+	b[kk]=sqrt(ones[kk]-inp[kk]);
+	}
+	for(l=0;l<size;l++)
+	{
+	c[l]=sqrt(inp[l]);
+	
+	}
+	int x=0;
+	//double maxi;
+	//maxi=max_calc(c,size);
+	//printf("%lf",maxi);
+	
+	while(max_calc(c,size)>eps)
+	{
+		int q,w,r;
+		for(q=0;q<size;q++)
+        	{
+		an[q]=0.5*(a[q]+b[q]);
+		}
+		for(w=0;w<size;w++)
+		{
+		bn[w]=sqrt(a[w]*b[w]);
+		}
+		for(r=0;r<size;r++)
+		{
+		cn[r]=0.5*(a[r]-b[r]);
+		}
+		int x,y,z;
+		for(x=0;x<size;x++)
+		{
+		a[x]=an[x];
+		}
+		for(y=0;y<size;y++)
+		{
+		b[y]=bn[y];
+		}
+		for(z=0;z<size;z++)
+		{
+		c[z]=cn[z];
+		}
+	}
+	int q,w;
+	for(q=0;q<size;q++)
+	{
+	oup[q]=PI*(ones[q]/(2*a[q]));
+	}
+	
+}
+/*
+int main()
+{
+	double m[3]={0.1,0.2,0.3};
+	dka(m,3);
+}
+*/
diff --git a/2.3-1/src/c/signalProcessing/%k/int_modk.h b/2.3-1/src/c/signalProcessing/%k/int_modk.h
new file mode 100644
index 00000000..ae09c50a
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/%k/int_modk.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_%K_H__
+#define __INT_%K_H__
+
+#define d2modkz2(inp,size,oup) dmodka(inp,size,oup)
+
+#endif /* !INT_%K_H__! */
diff --git a/2.3-1/src/c/signalProcessing/%k/modk.h b/2.3-1/src/c/signalProcessing/%k/modk.h
new file mode 100644
index 00000000..6b4a7e08
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/%k/modk.h
@@ -0,0 +1,29 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __%K_H__
+#define __%K_H__
+#include "types.h"
+#include "doubleComplex.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dmodka(double* inp,int size,doubleComplex* oup);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __%K_H__ */
+
diff --git a/2.3-1/src/c/signalProcessing/%sn/dmodsna.c b/2.3-1/src/c/signalProcessing/%sn/dmodsna.c
new file mode 100644
index 00000000..7e1e81c3
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/%sn/dmodsna.c
@@ -0,0 +1,24 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#include<stdio.h>
+#include<math.h>
+#include "modsn.h"
+
+void dmodsna(double* uu,int size,double emmc,double* sn)
+{
+	int i;
+	for(i=0;i<size;i++)
+	{
+	sn[i]=dmodsns(uu[i],emmc);
+	}
+}
+
diff --git a/2.3-1/src/c/signalProcessing/%sn/dmodsns.c b/2.3-1/src/c/signalProcessing/%sn/dmodsns.c
new file mode 100644
index 00000000..06d0a6f0
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/%sn/dmodsns.c
@@ -0,0 +1,93 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ Reference:- Abramowitz, Milton and Stegun, Irene A
+             Handbook of Mathematical Functions, Dover, 1965
+             Chapter 16 (Sections 16.4, 16.13 and 16.15)
+	Link for FORTRAN code:-http://www.aip.de/groups/soe/local/numres/bookfpdf/f6-11.pdf
+*/
+
+#include<stdio.h>
+#include<math.h>
+#define CA 0.0003
+#include "modsn.h"
+double dmodsns(double uu, double emmc)
+{
+	double a,b,c,d,emc,u;
+	double em[14],en[14];
+	int i,ii,l,bo;
+	double sn,cn,dn;
+	emc=1-emmc;
+	u=uu;
+	if(emc)
+	{
+	bo=(emc<0.0);
+		if(bo)
+		{
+			d=1.0-emc;
+			emc/=-1.0/d;
+			u*=(d=sqrt(d));
+		}
+		a=1.0;
+		dn=1.0;
+		for(i=1;i<=13;i++)
+		{
+			l=i;
+			em[i]=a;
+			en[i]=(emc=sqrt(emc));
+			c=0.5*(a+emc);
+			if(fabs(a-emc)<=CA*a)break;
+			emc*=a;
+			a=c;
+		}
+		u*=c;
+		sn=sin(u);
+		cn=cos(u);
+		if(sn)
+		{
+			a=cn/sn;
+			c*=a;
+			for(ii=l;ii>=1;ii--)
+			{
+				b=em[ii];
+				a*=c;
+				c*=dn;
+				dn=(en[ii]+a)/(b+a);
+				a=c/b;
+			}
+			a=1.0/sqrt(c*c+1.0);
+			sn=(sn>=0.0?a:-a);
+			cn=c*(sn);
+		}
+		if(bo)
+		{
+			a=dn;
+			dn=cn;
+			cn=a;
+			sn/=d;
+		}
+	}
+	else
+	{
+		cn=1.0/cosh(u);
+		dn=cn;
+		sn=tanh(u);
+	}
+	return sn;
+}
+/*
+int main()
+{
+	double u,k;
+	u=4;
+	k=0.7;
+	sn(u,k);
+}
+*/
diff --git a/2.3-1/src/c/signalProcessing/%sn/int_modsn.h b/2.3-1/src/c/signalProcessing/%sn/int_modsn.h
new file mode 100644
index 00000000..179fb61f
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/%sn/int_modsn.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_MODSN_H__
+#define __INT_MODSN_H__
+
+#define d0d0modsnd0(uu,emmc) dmodsns(uu,emmc)
+
+#endif /* !INT_MODSN_H__! */
diff --git a/2.3-1/src/c/signalProcessing/%sn/modsn.h b/2.3-1/src/c/signalProcessing/%sn/modsn.h
new file mode 100644
index 00000000..c5896562
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/%sn/modsn.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __MODSN_H__
+#define __MODSN_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "c" {
+#endif
+
+double dmodsns(double uu, double emmc);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __MODSN_H__ */
diff --git a/2.3-1/src/c/signalProcessing/%sn/zmodsna.c b/2.3-1/src/c/signalProcessing/%sn/zmodsna.c
new file mode 100644
index 00000000..33052a32
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/%sn/zmodsna.c
@@ -0,0 +1,24 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#include<stdio.h>
+#include<math.h>
+#include "modsn.h"
+#include "doubleComplex.h"
+
+void zmodsna(doubleComplex* uu,int size,double emmc,doubleComplex* sn)
+{
+	int i;
+	for(i=0;i<size;i++)
+	{
+	sn[i]=zmodsns(uu[i],emmc);
+	}
+}
diff --git a/2.3-1/src/c/signalProcessing/%sn/zmodsns.c b/2.3-1/src/c/signalProcessing/%sn/zmodsns.c
new file mode 100644
index 00000000..5f35059f
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/%sn/zmodsns.c
@@ -0,0 +1,161 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ Reference:- Abramowitz, Milton and Stegun, Irene A
+             Handbook of Mathematical Functions, Dover, 1965
+             Chapter 16 (Sections 16.4, 16.13 and 16.15)
+	Link for FORTRAN code:-http://www.aip.de/groups/soe/local/numres/bookfpdf/f6-11.pdf
+*/
+
+#include<stdio.h>
+#include<math.h>
+#include "modsn.h"
+#include "doubleComplex.h"
+#define CA 0.0003
+
+doubleComplex zmodsns(doubleComplex uu,double emmc)
+{
+	doubleComplex ans;
+	double uur,uui;
+	uur=zreals(uu);
+	uui=zimags(uu);
+	double sr,cr,dr;
+        //Performing Elliptic Function operation for the real values
+	double a1,b1,c1,d1,emc1,u1;
+	double em1[14],en1[14];
+	int i1,ii1,l1,bo1;
+	emc1=1-emmc;
+	u1=uur;
+	if(emc1)
+	{
+	bo1=(emc1<0.0);
+		if(bo1)
+		{
+			d1=1.0-emc1;
+			emc1/=-1.0/d1;
+			u1*=(d1=sqrt(d1));
+		}
+		a1=1.0;
+		dr=1.0;
+		for(i1=1;i1<=13;i1++)
+		{
+			l1=i1;
+			em1[i1]=a1;
+			en1[i1]=(emc1=sqrt(emc1));
+			c1=0.5*(a1+emc1);
+			if(fabs(a1-emc1)<=CA*a1)break;
+			emc1*=a1;
+			a1=c1;
+		}
+		u1*=c1;
+		sr=sin(u1);
+		cr=cos(u1);
+		if(sr)
+		{
+			a1=cr/sr;
+			c1*=a1;
+			for(ii1=l1;ii1>=1;ii1--)
+			{
+				b1=em1[ii1];
+				a1*=c1;
+				c1*=dr;
+				dr=(en1[ii1]+a1)/(b1+a1);
+				a1=c1/b1;
+			}
+			a1=1.0/sqrt(c1*c1+1.0);
+			sr=(sr>=0.0?a1:-a1);
+			cr=c1*(sr);
+		}
+		if(bo1)
+		{
+			a1=dr;
+			dr=cr;
+			cr=a1;
+			sr/=d1;
+		}
+	}
+	else
+	{
+		cr=1.0/cosh(u1);
+		dr=cr;
+		sr=tanh(u1);
+	}
+	////////////////////////////////////////////////////////////////
+	double si,ci,di;
+	//Performing Elleptic Function operation for the imaginary values
+	double a,b,c,d,emc,u;
+	double em[14],en[14];
+	int i,ii,l,bo;
+	//double s1,c1,d1;
+	emc=emmc;
+	u=uui;
+	if(emc)
+	{
+	bo=(emc<0.0);
+		if(bo)
+		{
+			d=1.0-emc;
+			emc/=-1.0/d;
+			u*=(d=sqrt(d));
+		}
+		a=1.0;
+		di=1.0;
+		for(i=1;i<=13;i++)
+		{
+			l=i;
+			em[i]=a;
+			en[i]=(emc=sqrt(emc));
+			c=0.5*(a+emc);
+			if(fabs(a-emc)<=CA*a)break;
+			emc*=a;
+			a=c;
+		}
+		u*=c;
+		si=sin(u);
+		ci=cos(u);
+		if(si)
+		{
+			a=ci/si;
+			c*=a;
+			for(ii=l;ii>=1;ii--)
+			{
+				b=em[ii];
+				a*=c;
+				c*=di;
+				di=(en[ii]+a)/(b+a);
+				a=c/b;
+			}
+			a=1.0/sqrt(c*c+1.0);
+			si=(si>=0.0?a:-a);
+			ci=c*(si);
+		}
+		if(bo)
+		{
+			a=di;
+			di=ci;
+			ci=a;
+			si/=d;
+		}
+	}
+	else
+	{
+		ci=1.0/cosh(u);
+		di=ci;
+		si=tanh(u);
+	}
+	/////////////////////////////////////////////////////////
+	double delta;
+	delta=ci*ci + emmc*sr*sr*si*si;
+	double snir,snii;
+	snir=(sr*di)/delta;
+	snii=(cr*dr*si*ci)/delta;
+	ans=DoubleComplex(snir,snii);
+	return ans;	
+}
diff --git a/2.3-1/src/c/signalProcessing/buttmag/buttmag.h b/2.3-1/src/c/signalProcessing/buttmag/buttmag.h
new file mode 100644
index 00000000..47e64af8
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/buttmag/buttmag.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __BUTTMAG_H__
+#define __BUTTMAG_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dbuttmags(double order, double omegac, int size, double* sample,double* out);
+
+#ifdef __cplusplus
+} /* extern "C"*/
+#endif
+
+#endif /* __BUTTMAG_H__ */
+
diff --git a/2.3-1/src/c/signalProcessing/buttmag/dbuttmags.c b/2.3-1/src/c/signalProcessing/buttmag/dbuttmags.c
new file mode 100644
index 00000000..dc40e814
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/buttmag/dbuttmags.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include<stdio.h>
+#include<math.h>
+#include "buttmag.h"
+void dbuttmags(double order, double omegac,double* sample,int size,double* out)
+{
+	double ones[size];
+	int j,k;
+	for(j=0;j<size;j++)
+	{
+	ones[j]=1.0;
+	}
+	//double h[size];
+	for(k=0;k<size;k++)
+	{
+	double x=ones[k]/(ones[k]+pow((sample[k]/omegac),(2*order)));
+	out[k]=x;
+	//printf("%lf\n",h[k]);
+	}
+	
+}
+
diff --git a/2.3-1/src/c/signalProcessing/buttmag/int_buttmag.h b/2.3-1/src/c/signalProcessing/buttmag/int_buttmag.h
new file mode 100644
index 00000000..9867438e
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/buttmag/int_buttmag.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_BUTTMAG_H__
+#define __INT_BUTTMAG_H__
+
+#define d0d0d2buttmagd2(order,omegac,size,sample,out) dbuttmags(order,omegac,size,sample,out)
+
+#endif /* !INT_BUTTMAG_H__! */
diff --git a/2.3-1/src/c/signalProcessing/buttmag/u8buttmags.c b/2.3-1/src/c/signalProcessing/buttmag/u8buttmags.c
new file mode 100644
index 00000000..e7b52c22
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/buttmag/u8buttmags.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include<stdio.h>
+#include<math.h>
+#include "buttmag.h"
+void dbuttmags(int order, int omegac,double* sample,int size,double* out)
+{
+	double ones[size];
+	int j,k;
+	for(j=0;j<size;j++)
+	{
+	ones[j]=1.0;
+	}
+	//double h[size];
+	for(k=0;k<size;k++)
+	{
+	double x=ones[k]/(ones[k]+pow((sample[k]/omegac),(2*order)));
+	out[k]=x;
+	//printf("%lf\n",h[k]);
+	}
+	
+}
+
diff --git a/2.3-1/src/c/signalProcessing/cheb1mag/cheb1mag.h b/2.3-1/src/c/signalProcessing/cheb1mag/cheb1mag.h
new file mode 100644
index 00000000..369ee4ce
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/cheb1mag/cheb1mag.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __CHEB1MAG_H__
+#define __CHEB1MAG_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+void dcheb1mags(double n, double omegac, double epsilon, double* sample,int size,double* out);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __CHEB1MAG_H__ */
diff --git a/2.3-1/src/c/signalProcessing/cheb1mag/dcheb1mags.c b/2.3-1/src/c/signalProcessing/cheb1mag/dcheb1mags.c
new file mode 100644
index 00000000..a4a459d4
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/cheb1mag/dcheb1mags.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#include<stdio.h>
+#include<math.h>
+#include "cheb1mag.h"
+void dcheb1mags(double n, double omegac, double epsilon, double* sample,int size,double* out)
+{
+	double x;
+	int j;
+	double tn;
+	for(j=0;j<size;j++)
+	{
+	x=sample[j]/omegac;
+	if(x<=1)
+	{
+	tn=cos(n*acos(x));
+	out[j]=1/(1+(epsilon*epsilon)*(tn*tn));
+	}
+	else
+	{
+	tn=cosh(n*acosh(x));
+	out[j]=1/(1+(epsilon*epsilon)*(tn*tn));
+	}
+	}
+}
+
diff --git a/2.3-1/src/c/signalProcessing/cheb1mag/int_cheb1mag.h b/2.3-1/src/c/signalProcessing/cheb1mag/int_cheb1mag.h
new file mode 100644
index 00000000..fa0ff83e
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/cheb1mag/int_cheb1mag.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_CHEB1MAG_H__
+#define __INT_CHEB1MAG_H__
+
+#define d0d0d2cheb1magd2(n,omegac,epsilon,sample,size,out) dcheb1mags(n,omegac,epsilon,sample,size,out)
+
+#endif /* !__INT_CHEB1MAG_H__! */
diff --git a/2.3-1/src/c/signalProcessing/cheb2mag/cheb2mag.h b/2.3-1/src/c/signalProcessing/cheb2mag/cheb2mag.h
new file mode 100644
index 00000000..0516ca51
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/cheb2mag/cheb2mag.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __CHEB2MAG_H__
+#define __CHEB2MAG_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dcheb2mags(double n,double omegar, double A, double* sample,int size,double* oup);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __CHEB2MAG_H__ */
diff --git a/2.3-1/src/c/signalProcessing/cheb2mag/dcheb2mags.c b/2.3-1/src/c/signalProcessing/cheb2mag/dcheb2mags.c
new file mode 100644
index 00000000..006c5917
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/cheb2mag/dcheb2mags.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#include<stdio.h>
+#include<math.h>
+#include "cheb2mag.h"
+void dcheb2mags(double n,double omegar, double A, double* sample,int size,double* oup)
+{
+	double e;
+	//e=sqrt(A*A-1);
+	e=1/(pow(10,A/10)-1);
+	double x,k,cn,h,tp;
+	int i;
+	for(i=0;i<size;i++)
+	{
+            x=omegar/sample[i];
+	    if(x<=1)
+	    {
+	        tp=acos(x);
+		cn=cos(n*tp);
+	        if(x==1)
+	        {
+	        h=1/(1+A*A-1);
+		}
+		else
+		{
+	        h=1/(1+((A*A-1)/(cn*cn)));
+		}
+	
+	    }
+	    else
+	    {  
+	        tp=acosh(x);
+		cn=cosh(n*tp);
+		h=e*(cn*cn)/(1+e*(cn*cn));
+	
+	    }
+	oup[i]=h;
+	}
+}
+
diff --git a/2.3-1/src/c/signalProcessing/cheb2mag/int_cheb2mag.h b/2.3-1/src/c/signalProcessing/cheb2mag/int_cheb2mag.h
new file mode 100644
index 00000000..05b77c2d
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/cheb2mag/int_cheb2mag.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_CHEB2MAG_H__
+#define __INT_CHEB2MAG_H__
+
+#define d0d0d0d2cheb2magd2(n,omegar,A,sample,size,oup) dcheb2mag(n,omegar,A,sample,size,oup)
+
+#endif /* !__INT_CHEB2MAG_H__! */
diff --git a/2.3-1/src/c/signalProcessing/ffilt/ffilt.h b/2.3-1/src/c/signalProcessing/ffilt/ffilt.h
new file mode 100644
index 00000000..9b98f34c
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/ffilt/ffilt.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __FFILT_H__
+#define __FFILT_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void gffilts(char* ft,double N,double fc,double fh,double* oup);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __FFILT_H__ */
diff --git a/2.3-1/src/c/signalProcessing/ffilt/gffilts.c b/2.3-1/src/c/signalProcessing/ffilt/gffilts.c
new file mode 100644
index 00000000..538daf3e
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/ffilt/gffilts.c
@@ -0,0 +1,90 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#include<stdio.h>
+#include<math.h>
+#include "filt_sinc.h"
+#include "ffilt.h"
+void gffilts(char* ft,int size,double N,double fc,double fh,double* oup)
+{
+	int sz=N;
+	double X[sz];
+	double no22=(N-1)/2;
+	int ino22=(int)no22;
+	if(ft[0]=='l')
+	{
+		dfilt_sincs(N,fc,X);
+		int k=0;
+		for(k=0;k<sz;k++)
+		{
+			oup[k]=X[k];
+		}
+	}
+	else if(ft[0]=='h')
+	{
+		int k=0;
+		dfilt_sincs(N,fc,X);
+		for(k=0;k<sz;k++)
+		{
+			oup[k]=-1*X[k];	
+		}
+		int id=no22;
+		oup[id]=1+oup[id];
+	}
+	else if(ft[0]=='b')
+	{
+		double wc=M_PI*(fh+fc);
+		fc=(fh-fc)/2;
+		dfilt_sincs(N,fc,X);
+		double Y[sz];
+		double k=0;
+		for(k=-no22;k<=no22;k++)	
+		{
+			int ind;
+			ind=k+no22;
+			Y[ind]=2*cos(wc*k);
+		}
+		int j=0;
+		for(j=0;j<sz;j++)
+		{
+			oup[j]=X[j]*Y[j];
+		}
+	}
+	else if(ft[0]=='s')
+	{
+		double wc=M_PI*(fh+fc);
+		fc=(fh-fc)/2;
+		dfilt_sincs(N,fc,X);
+		double Y[sz];
+		double k=0;
+		for(k=-no22;k<=no22;k++)	
+		{
+			int ind;
+			ind=k+no22;
+			Y[ind]=2*cos(wc*k);
+		}
+		int j=0;
+		for(j=0;j<sz;j++)
+		{
+			oup[j]=-1*X[j]*Y[j];
+		}
+		int id=no22;
+		oup[id]=1+oup[id];
+	}
+}
+/*
+int main()
+{
+	string s;
+	int n;
+	double fl,fh;
+}
+*/
diff --git a/2.3-1/src/c/signalProcessing/ffilt/int_ffilt.h b/2.3-1/src/c/signalProcessing/ffilt/int_ffilt.h
new file mode 100644
index 00000000..83f44827
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/ffilt/int_ffilt.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_FFILT_H__
+#define __INT_FFILT_H__
+
+#define g0d0d0d0ffiltd2(ft,N,fc,fh,oup) gffilts(ft,N,fc,fh,oup)
+
+#endif /* !__INT_FFILT_H__! */
diff --git a/2.3-1/src/c/signalProcessing/filt_sinc/dfilt_sincs.c b/2.3-1/src/c/signalProcessing/filt_sinc/dfilt_sincs.c
new file mode 100644
index 00000000..65aaaa65
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/filt_sinc/dfilt_sincs.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#include<stdio.h>
+#include<math.h>
+#include "filt_sinc.h"
+void dfilt_sincs(double N,double fc,double* oup)
+{
+	double no2=(N-1)/2;
+	int ino2=(int)no2;
+	double wl=fc*2*M_PI;
+	int sz=N;	
+	double xn[sz];
+	double i;
+	int l,m;
+	for(i=-no2;i<=no2;i++)
+	{
+	    l=i+no2;
+	    xn[l]=sin(wl*i);
+	}
+	double xd[sz];
+	double j;
+	printf("\n");
+	for(j=-no2;j<=no2;j++)
+	{
+	    m=j+no2;
+	    xd[m]=M_PI*j;
+	}
+	if(ino2==no2)
+	{
+	xn[(int)no2]=2*fc;
+	xd[(int)no2]=1;
+	}
+	double x[sz];
+	int k;
+	for(k=0;k<N;k++)
+	{
+	oup[k]=xn[k]/xd[k];
+	}
+}
+/*
+int main()
+{
+	int n;
+	double fl;
+	n=5;
+	fl=0.2;
+	filt_sinc(n,fl);
+}
+*/
diff --git a/2.3-1/src/c/signalProcessing/filt_sinc/filt_sinc.h b/2.3-1/src/c/signalProcessing/filt_sinc/filt_sinc.h
new file mode 100644
index 00000000..43b24151
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/filt_sinc/filt_sinc.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __FILT_SINC_H__
+#define __FILT_SINC_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void u8filt_sincs(int N,double fc,double* oup);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __FILT_SINC_H */
+
diff --git a/2.3-1/src/c/signalProcessing/filt_sinc/int_filt_sinc.h b/2.3-1/src/c/signalProcessing/filt_sinc/int_filt_sinc.h
new file mode 100644
index 00000000..5b7b07ae
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/filt_sinc/int_filt_sinc.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_FILT_SINC_H__
+#define __INT_FILT_SINC_H__
+
+#define u80d0filt_sincd2(N,fc,oup) u8filt_sincs(N,fc,oup)
+
+#endif /* !__INT_FILT_SINC_H__! */
diff --git a/2.3-1/src/c/signalProcessing/fsfirlin/dfsfirlina.c b/2.3-1/src/c/signalProcessing/fsfirlin/dfsfirlina.c
new file mode 100644
index 00000000..d2079f4d
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/fsfirlin/dfsfirlina.c
@@ -0,0 +1,144 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#include<stdio.h>
+
+#include<math.h>
+#include "sincd.h"
+#include "fsfirlin.h"
+//#define PI 3.14159265358979
+
+void dfsfirlina(double* hd,int size,double flag,double* hst)
+{
+	int n1=size,n;
+	if( n1%2==0)
+	{
+	n=2*n1;
+	}
+	else
+	{
+	n=2*n1+1;
+	}
+	double scd[8*n+1];
+	//STRAT SINCD
+	double npt=4*n;
+	int sz=4*n;
+	double PI=M_PI;
+	double pas=PI/npt;
+	double om[sz+1];
+	int i;
+	for(i=0;i<=sz;i++)
+	{
+	om[i]=i*pas;
+	}
+	double eps=pow(-1,(n-1));
+	double s1[sz+1],s2[sz+1];
+	double s[2*(sz)+1];
+	double sr[2*(sz)+1];
+	if(flag==1)
+	{
+	int j,k;
+	for(j=0;j<=4*n;j++)
+	{
+	s1[j]=sin(n*om[j]);
+	s2[j]=sin(om[j]);
+	}
+	s1[0]=n;
+	s2[0]=1;
+	s1[sz]=n*eps;
+	s2[sz]=1;
+	
+	for(k=0;k<=4*n;k++)
+	{
+	s[k]=s1[k]/s2[k];
+	}
+	
+	int x;
+	for(x=0;x<=4*n;x++)
+	{
+	    scd[sz-x]=s[x];
+	}
+	int l;
+	for(l=4*n+1;l<=8*n;l++)
+	{
+	scd[l]=s[l-(sz)];
+	}
+	int m;
+	for(m=0;m<=8*n;m++)
+	{
+	scd[m]=scd[m]/n;
+	}
+	}
+	else
+	{
+	int a;
+	for(a=0;a<=4*n;a++)
+	{
+	om[a]=om[a]-(PI/(2*n));
+	}
+	int j,k;
+	for(j=0;j<=4*n;j++)
+	{
+	s1[j]=sin(n*om[j]);
+	s2[j]=sin(om[j]);
+	}
+	s1[2]=n;
+	s2[2]=1;
+	for(k=0;k<=4*n;k++)
+	{
+	s[k]=s1[k]/s2[k];
+	}
+	int m;
+	for(m=0;m<=4*n;m++)
+	{
+	scd[m]=(eps*s[m])/n;
+	}
+	int l;
+	for(l=4*n+1;l<=8*n;l++)
+	{
+	scd[l]=s[l-(sz)]/n;
+	}
+	}
+	//END SINCD
+	int ii;
+	for(ii=4*n;ii<=6*n;ii++)
+	{
+	hst[ii-(4*n)]=hd[0]*scd[ii];
+	}
+	
+	int epsi;
+	epsi=pow(-1,n-1);
+	int jj;
+	for(jj=1;jj<=(n1-1);jj++)
+	{
+	double tp1[2*n+1];
+	double tp2[2*n+1];
+	int k,l;
+	for(k=(-4*jj+4*n);k<=(-4*jj+6*n);k++)
+	{
+	tp1[k-(-4*jj+4*n)]=hd[jj]*scd[k];
+	}
+	
+	for(l=(4*jj);l<=(4*jj+2*n);l++)
+	{
+	tp2[l-(4*jj)]=hd[jj]*(epsi*scd[l]);
+	}
+	int m;
+	for(m=0;m<=2*n;m++)
+	{
+	hst[m]=hst[m]+(tp1[m]+tp2[m]);
+	}
+	
+	}
+		
+	
+}
diff --git a/2.3-1/src/c/signalProcessing/fsfirlin/fsfirlin.h b/2.3-1/src/c/signalProcessing/fsfirlin/fsfirlin.h
new file mode 100644
index 00000000..7337cbfe
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/fsfirlin/fsfirlin.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __FSFIRLIN_H__
+#define __FSFIRLIN_H__
+#include "types.h"
+#include "sincd.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dfsfirlina(double* hd,int size,int flag,double* hst);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
diff --git a/2.3-1/src/c/signalProcessing/fsfirlin/int_fsfirlin.h b/2.3-1/src/c/signalProcessing/fsfirlin/int_fsfirlin.h
new file mode 100644
index 00000000..857dae8c
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/fsfirlin/int_fsfirlin.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_FSFIRLIN_H__
+#define __INT_FSFIRLIN_H__
+
+#define d2u80fsfirlind2(hd,size,flag,hst) dfsfirlina(hd,size[1],flag,hst)
+
+#endif /* !__INT_FSFIRLIN_H__! */
diff --git a/2.3-1/src/c/signalProcessing/includes/buttmag.h b/2.3-1/src/c/signalProcessing/includes/buttmag.h
new file mode 100644
index 00000000..ef17b7ea
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/buttmag.h
@@ -0,0 +1,29 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __BUTTMAG_H__
+#define __BUTTMAG_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dbuttmags(double order, double omegac, double* sample, int size,double* out);
+void u8buttmags(int order, int omegac, double* sample, int size,double* out);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __BUTTMAG_H__ */
+
diff --git a/2.3-1/src/c/signalProcessing/includes/cheb1mag.h b/2.3-1/src/c/signalProcessing/includes/cheb1mag.h
new file mode 100644
index 00000000..369ee4ce
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/cheb1mag.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __CHEB1MAG_H__
+#define __CHEB1MAG_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+void dcheb1mags(double n, double omegac, double epsilon, double* sample,int size,double* out);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __CHEB1MAG_H__ */
diff --git a/2.3-1/src/c/signalProcessing/includes/cheb2mag.h b/2.3-1/src/c/signalProcessing/includes/cheb2mag.h
new file mode 100644
index 00000000..0516ca51
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/cheb2mag.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __CHEB2MAG_H__
+#define __CHEB2MAG_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dcheb2mags(double n,double omegar, double A, double* sample,int size,double* oup);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __CHEB2MAG_H__ */
diff --git a/2.3-1/src/c/signalProcessing/includes/dct.h b/2.3-1/src/c/signalProcessing/includes/dct.h
new file mode 100644
index 00000000..80668ffa
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/dct.h
@@ -0,0 +1,38 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#ifndef __DCT_H__
+#define __DCT_H__
+
+#include <math.h>
+#include "types.h"
+#include "doubleComplex.h"
+#include "addition.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+void ddcta(double *in,int row,int col,int sign,double *out);
+
+void sdcta(float *in,int row,int col,int sign,float *out);
+
+void zdcta(doubleComplex *in,int row,int col,int sign,doubleComplex *out);
+
+void cdcta(floatComplex *in,int row,int col,int sign,floatComplex *out);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/2.3-1/src/c/signalProcessing/includes/ffilt.h b/2.3-1/src/c/signalProcessing/includes/ffilt.h
new file mode 100644
index 00000000..f38df6e6
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/ffilt.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __FFILT_H__
+#define __FFILT_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void gffilts(char* ft,int size,double N,double fc,double fh,double* oup);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __FFILT_H__ */
diff --git a/2.3-1/src/c/signalProcessing/includes/filt_sinc.h b/2.3-1/src/c/signalProcessing/includes/filt_sinc.h
new file mode 100644
index 00000000..095ca91f
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/filt_sinc.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __FILT_SINC_H__
+#define __FILT_SINC_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dfilt_sincs(double N,double fc,double* oup);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __FILT_SINC_H */
+
diff --git a/2.3-1/src/c/signalProcessing/includes/fsfirlin.h b/2.3-1/src/c/signalProcessing/includes/fsfirlin.h
new file mode 100644
index 00000000..cf5fbbd0
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/fsfirlin.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __FSFIRLIN_H__
+#define __FSFIRLIN_H__
+#include "types.h"
+#include "sincd.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dfsfirlina(double* hd,int size,double flag,double* hst);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__FSFIRLIN_H__*/
diff --git a/2.3-1/src/c/signalProcessing/includes/idct.h b/2.3-1/src/c/signalProcessing/includes/idct.h
new file mode 100644
index 00000000..1e7b85b3
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/idct.h
@@ -0,0 +1,38 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#ifndef __IDCT_H__
+#define __IDCT_H__
+
+#include <math.h>
+#include "types.h"
+#include "doubleComplex.h"
+#include "addition.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+void didcta(double *in,int row,int col,double *out);
+
+void sidcta(float *in,int row,int col,float *out);
+
+void zidcta(doubleComplex *in,int row,int col,doubleComplex *out);
+
+void cidcta(floatComplex *in,int row,int col,floatComplex *out);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/2.3-1/src/c/signalProcessing/includes/modk.h b/2.3-1/src/c/signalProcessing/includes/modk.h
new file mode 100644
index 00000000..5040eb7f
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/modk.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __MODK_H__
+#define __MODK_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dmodka(double* inp,int size,double* oup);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __MODK_H__ */
+
diff --git a/2.3-1/src/c/signalProcessing/includes/modsn.h b/2.3-1/src/c/signalProcessing/includes/modsn.h
new file mode 100644
index 00000000..d91dd9d3
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/modsn.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __MODSN_H__
+#define __MODSN_H__
+#include "types.h"
+#include "doubleComplex.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+double dmodsns(double uu, double emmc);
+doubleComplex zmodsns(doubleComplex uu,double emmc);
+void dmodsna(double* uu,int size,double emmc,double* sn);
+void zmodsna(doubleComplex* uu,int size,double emmc,doubleComplex* sn);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __MODSN_H__ */
diff --git a/2.3-1/src/c/signalProcessing/includes/sincd.h b/2.3-1/src/c/signalProcessing/includes/sincd.h
new file mode 100644
index 00000000..9b7a3607
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/sincd.h
@@ -0,0 +1,29 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __SINCD_H__
+#define __SINCD_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dsincds(double n,double flg,double* oup);
+void u8sincds(int n,int flg,double* oup);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __SINCD_H__ */
+
diff --git a/2.3-1/src/c/signalProcessing/includes/zpbutt.h b/2.3-1/src/c/signalProcessing/includes/zpbutt.h
new file mode 100644
index 00000000..9eb88ad4
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/zpbutt.h
@@ -0,0 +1,29 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __ZPBUTT_H__
+#define __ZPBUTT_H__
+#include "types.h"
+#include "doubleComplex.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+double dzpbutts(double n,double fl,doubleComplex* out);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __ZPBUTT_H__ */
+
diff --git a/2.3-1/src/c/signalProcessing/includes/zpch1.h b/2.3-1/src/c/signalProcessing/includes/zpch1.h
new file mode 100644
index 00000000..fbe850cc
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/zpch1.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __ZPCH1_H__
+#define __ZPCH1_H__
+#include "types.h"
+#include "doubleComplex.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+double dzpch1s(double N,double e,double wc,doubleComplex* out);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __ZPCH1_H__ */
diff --git a/2.3-1/src/c/signalProcessing/includes/zpch2.h b/2.3-1/src/c/signalProcessing/includes/zpch2.h
new file mode 100644
index 00000000..d7c1c647
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/zpch2.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __ZPCH2_H__
+#define __ZPCH2_H__
+#include "types.h"
+#include "doubleComplex.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+double dzpch2s(double N, double A, double omegar,doubleComplex* zeros,doubleComplex* poles);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __ZPCH2_H__ */ 
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_buttmag.h b/2.3-1/src/c/signalProcessing/interfaces/int_buttmag.h
new file mode 100644
index 00000000..4a33fafe
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_buttmag.h
@@ -0,0 +1,19 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_BUTTMAG_H__
+#define __INT_BUTTMAG_H__
+
+#define d0d0d2buttmagd2(order,omegac,sample,size,out) dbuttmags(order,omegac,sample,size[1],out)
+#define u80u80d2buttmagd2(order,omegac,sample,size,out) u8buttmags(order,omegac,sample,size[1],out)
+
+#endif /* !INT_BUTTMAG_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_cheb1mag.h b/2.3-1/src/c/signalProcessing/interfaces/int_cheb1mag.h
new file mode 100644
index 00000000..764e8c79
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_cheb1mag.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_CHEB1MAG_H__
+#define __INT_CHEB1MAG_H__
+
+#define d0d0d0d2cheb1magd2(n,omegac,epsilon,sample,size,out) dcheb1mags(n,omegac,epsilon,sample,size[1],out)
+
+#endif /* !__INT_CHEB1MAG_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_cheb2mag.h b/2.3-1/src/c/signalProcessing/interfaces/int_cheb2mag.h
new file mode 100644
index 00000000..b63db04d
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_cheb2mag.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_CHEB2MAG_H__
+#define __INT_CHEB2MAG_H__
+
+#define d0d0d0d2cheb2magd2(n,omegar,A,sample,size,oup) dcheb2mags(n,omegar,A,sample,size[1],oup)
+
+#endif /* !__INT_CHEB2MAG_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_dct.h b/2.3-1/src/c/signalProcessing/interfaces/int_dct.h
new file mode 100644
index 00000000..3481c4d5
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_dct.h
@@ -0,0 +1,36 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+
+#ifndef __INT_DCT_H__
+#define __INT_DCT_H__
+
+
+
+#define d2dctd2(in,size,out)		ddcta(in,size[0],size[1],-1,out)
+
+#define d2d0dctd2(in,size,sign,out)	ddcta(in,size[0],size[1],sign,out)
+
+#define s2dcts2(in,size,out)		sdcta(in,size[0],size[1],-1,out)
+
+#define s2s0dcts2(in,size,sign,out)	sdcta(in,size[0],size[1],sign,out)
+
+#define z2dctz2(in,size,out)		zdcta(in,size[0],size[1],-1,out)
+
+#define z2d0dctz2(in,size,sign,out)	zdcta(in,size[0],size[1],sign,out)
+
+#define c2dctc2(in,size,out)		cdcta(in,size[0],size[1],-1,out)
+
+#define c2s0dctc2(in,size,sign,out)	cdcta(in,size[0],size[1],sign,out)
+
+#endif
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_ffilt.h b/2.3-1/src/c/signalProcessing/interfaces/int_ffilt.h
new file mode 100644
index 00000000..273b98f7
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_ffilt.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_FFILT_H__
+#define __INT_FFILT_H__
+
+#define g2d0d0d0ffiltd2(ft,size,N,fc,fh,oup) gffilts(ft,size[1],N,fc,fh,oup)
+
+#endif /* !__INT_FFILT_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_filt_sinc.h b/2.3-1/src/c/signalProcessing/interfaces/int_filt_sinc.h
new file mode 100644
index 00000000..f90d0a62
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_filt_sinc.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_FILT_SINC_H__
+#define __INT_FILT_SINC_H__
+
+#define d0d0filt_sincd2(N,fc,oup) dfilt_sincs(N,fc,oup)
+
+#endif /* !__INT_FILT_SINC_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_fsfirlin.h b/2.3-1/src/c/signalProcessing/interfaces/int_fsfirlin.h
new file mode 100644
index 00000000..3f6fb6e0
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_fsfirlin.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_FSFIRLIN_H__
+#define __INT_FSFIRLIN_H__
+
+#define d2d0fsfirlind2(hd,size,flag,hst) dfsfirlina(hd,size[1],flag,hst)
+
+#endif /* !__INT_FSFIRLIN_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_idct.h b/2.3-1/src/c/signalProcessing/interfaces/int_idct.h
new file mode 100644
index 00000000..f705fe2d
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_idct.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+
+#ifndef __INT_IDCT_H__
+#define __INT_IDCT_H__
+
+
+
+#define d2idctd2(in,size,out)	didcta(in,size[0],size[1],out)
+
+#define s2idcts2(in,size,out)	sidcta(in,size[0],size[1],out)
+
+#define z2idctz2(in,size,out)	zidcta(in,size[0],size[1],out)
+
+#define c2idctc2(in,size,out)	cidcta(in,size[0],size[1],out)
+
+#endif
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_modk.h b/2.3-1/src/c/signalProcessing/interfaces/int_modk.h
new file mode 100644
index 00000000..441b9b13
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_modk.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_MODK_H__
+#define __INT_MODK_H__
+
+#define d2modkd2(inp,size,oup) dmodka(inp,size[1],oup)
+
+#endif /* !INT_MODK_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_modsn.h b/2.3-1/src/c/signalProcessing/interfaces/int_modsn.h
new file mode 100644
index 00000000..0d32eb06
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_modsn.h
@@ -0,0 +1,21 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_MODSN_H__
+#define __INT_MODSN_H__
+
+#define d0d0modsnd0(uu,emmc) dmodsns(uu,emmc)
+#define z0d0modsnz0(uu,emmc) zmodsns(uu,emmc)
+#define d2d0modsnd2(uu,size,emmc,sn) dmodsna(uu,size[1],emmc,sn)
+#define z2d0modsnz2(uu,size,emmc,sn) zmodsna(uu,size[1],emmc,sn)
+
+#endif /* !INT_MODSN_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_sincd.h b/2.3-1/src/c/signalProcessing/interfaces/int_sincd.h
new file mode 100644
index 00000000..73136730
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_sincd.h
@@ -0,0 +1,19 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_SINCD_H__
+#define __INT_SINCD_H__
+
+#define d0d0sincdd2(n,flg,oup) dsincds(n,flg,oup)
+#define u80u80sincdd2(n,flg,oup) u8sincds(n,flg,oup)
+
+#endif /* !__INT_SINCD_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_zpbutt.h b/2.3-1/src/c/signalProcessing/interfaces/int_zpbutt.h
new file mode 100644
index 00000000..775c1026
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_zpbutt.h
@@ -0,0 +1,19 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_ZPBUTT_H__
+#define __INT_ZPBUTT_H__
+
+#define d0d0zpbuttz2d0(n,fl,out)  dzpbutts(n,fl,out)
+
+#endif /* !INT_ZPBUTT_H__! */
+
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_zpch1.h b/2.3-1/src/c/signalProcessing/interfaces/int_zpch1.h
new file mode 100644
index 00000000..429e7c36
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_zpch1.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_ZPCH1_H__
+#define __INT_ZPCH1_H__
+
+#define d0d0d0zpch1z2d0(N,e,wc,out) dzpch1s(N,e,wc,out)
+
+#endif /* !INT_ZPCH1_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_zpch2.h b/2.3-1/src/c/signalProcessing/interfaces/int_zpch2.h
new file mode 100644
index 00000000..fcb12a7c
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_zpch2.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_ZPCH2_H__
+#define __INT_ZPCH2_H__
+
+#define d0d0d0zpch2z2z2d0(N,A,omegar,zeros,poles) dzpch2s(N,A,omegar,zeros,poles)
+
+#endif /* !INT_ZPCH2_H__! */
diff --git a/2.3-1/src/c/signalProcessing/modk/dmodka.c b/2.3-1/src/c/signalProcessing/modk/dmodka.c
new file mode 100644
index 00000000..c0630ec0
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/modk/dmodka.c
@@ -0,0 +1,97 @@
+#include<stdio.h>
+#include<math.h>
+#include "modk.h"
+double max_calc(double* ptr,int sz)
+{
+	int i=0;
+	double mx;
+	if(ptr[0]<0)
+	{
+	    ptr[0]=-1*ptr[0];
+	}
+	mx=(ptr[0]);
+	//printf("%lf\n",mx);
+	for(i=1;i<sz;i++)
+	{
+	if(ptr[i]<0)
+	{
+	    ptr[i]=-1*ptr[i];
+	}
+	if(mx<(ptr[i]))
+	mx=(ptr[i]);
+	}
+    return mx;
+}
+void dmodka(double* inp,int size,double* oup)
+{
+	double ones[size],PI=M_PI;
+	double eps=pow(2,-52);
+	int i;
+	for(i=0;i<size;i++)
+	{
+	ones[i]=1;
+	}
+	double a[size],b[size],c[size],an[size],bn[size],cn[size],kans[size];
+	
+	int j,kk,l,m;
+	for(j=0;j<size;j++)
+	{
+	a[j]=1;
+	}
+	for(kk=0;kk<size;kk++)
+	{
+	b[kk]=sqrt(ones[kk]-inp[kk]);
+	}
+	for(l=0;l<size;l++)
+	{
+	c[l]=sqrt(inp[l]);
+	
+	}
+	int x=0;
+	//double maxi;
+	//maxi=max_calc(c,size);
+	//printf("%lf",maxi);
+	
+	while(max_calc(c,size)>eps)
+	{
+		int q,w,r;
+		for(q=0;q<size;q++)
+        	{
+		an[q]=0.5*(a[q]+b[q]);
+		}
+		for(w=0;w<size;w++)
+		{
+		bn[w]=sqrt(a[w]*b[w]);
+		}
+		for(r=0;r<size;r++)
+		{
+		cn[r]=0.5*(a[r]-b[r]);
+		}
+		int x,y,z;
+		for(x=0;x<size;x++)
+		{
+		a[x]=an[x];
+		}
+		for(y=0;y<size;y++)
+		{
+		b[y]=bn[y];
+		}
+		for(z=0;z<size;z++)
+		{
+		c[z]=cn[z];
+		}
+	}
+	int q,w;
+	for(q=0;q<size;q++)
+	{
+	oup[q]=PI*(ones[q]/(2*a[q]));
+	}
+	
+}
+/*
+int main()
+{
+	double m[3]={0.1,0.2,0.3};
+	dka(m,3);
+}
+*/
diff --git a/2.3-1/src/c/signalProcessing/sincd/dsincds.c b/2.3-1/src/c/signalProcessing/sincd/dsincds.c
new file mode 100644
index 00000000..1475d8de
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/sincd/dsincds.c
@@ -0,0 +1,99 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#include<stdio.h>
+#include<math.h>
+#include "sincd.h"
+//#define PI 3.14159265358979
+void dsincds(double n,double flg,double* oup)
+{
+	double npt=4*n;
+	int sz=4*n;
+	double PI=M_PI;
+	double pas=PI/npt;
+	double om[sz+1];
+	int i;
+	for(i=0;i<=sz;i++)
+	{
+	om[i]=i*pas;
+	}
+	double eps=pow(-1,(n-1));
+	double s1[sz+1],s2[sz+1];
+	double s[2*(sz)+1];
+	double sr[2*(sz)+1];
+	if(flg==1)
+	{
+	int j,k;
+	for(j=0;j<=4*n;j++)
+	{
+	s1[j]=sin(n*om[j]);
+	s2[j]=sin(om[j]);
+	}
+	s1[0]=n;
+	s2[0]=1;
+	s1[sz]=n*eps;
+	s2[sz]=1;
+	
+	for(k=0;k<=4*n;k++)
+	{
+	s[k]=s1[k]/s2[k];
+	}
+	
+	int x;
+	for(x=0;x<=4*n;x++)
+	{
+	    oup[sz-x]=s[x];
+	}
+	int l;
+	for(l=4*n+1;l<=8*n;l++)
+	{
+	oup[l]=s[l-(sz)];
+	}
+	int m;
+	for(m=0;m<=8*n;m++)
+	{
+	oup[m]=oup[m]/n;
+	}
+	}
+	else
+	{
+	int a;
+	for(a=0;a<=4*n;a++)
+	{
+	om[a]=om[a]-(PI/(2*n));
+	}
+	int j,k;
+	for(j=0;j<=4*n;j++)
+	{
+	s1[j]=sin(n*om[j]);
+	s2[j]=sin(om[j]);
+	}
+	s1[2]=n;
+	s2[2]=1;
+	for(k=0;k<=4*n;k++)
+	{
+	s[k]=s1[k]/s2[k];
+	}
+	int m;
+	for(m=0;m<=4*n;m++)
+	{
+	oup[m]=(eps*s[m])/n;
+	}
+	int l;
+	for(l=4*n+1;l<=8*n;l++)
+	{
+	oup[l]=s[l-(sz)]/n;
+	}
+	
+	}
+}
+
diff --git a/2.3-1/src/c/signalProcessing/sincd/int_sincd.h b/2.3-1/src/c/signalProcessing/sincd/int_sincd.h
new file mode 100644
index 00000000..a404978b
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/sincd/int_sincd.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_SINCD_H__
+#define __INT_SINCD_H__
+
+#define u80sincdd2(n,flg,oup) u8sincds(n,flg,oup)
+
+#endif /* !__INT_SINCD_H__! */
diff --git a/2.3-1/src/c/signalProcessing/sincd/sincd.h b/2.3-1/src/c/signalProcessing/sincd/sincd.h
new file mode 100644
index 00000000..2df85a87
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/sincd/sincd.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __SINCD_H__
+#define __SINCD_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void u8sincds(int n,int flg,double* oup);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __SINCD_H__ */
+
diff --git a/2.3-1/src/c/signalProcessing/sincd/u8sincds.c b/2.3-1/src/c/signalProcessing/sincd/u8sincds.c
new file mode 100644
index 00000000..d03f48ae
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/sincd/u8sincds.c
@@ -0,0 +1,98 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#include<stdio.h>
+#include<math.h>
+#include "sincd.h"
+#define PI 3.14159265358979
+void u8sincds(int n,int flg,double* oup)
+{
+	double npt=4*n;
+	int sz=4*n;
+	double pas=PI/npt;
+	double om[sz+1];
+	int i;
+	//om[0]=0;
+	for(i=0;i<=sz;i++)
+	{
+	om[i]=i*pas;
+	}
+	double eps=pow(-1,(n-1));
+	double s1[sz+1],s2[sz+1];
+	double s[2*(sz)+1];
+	double sr[2*(sz)+1];
+	if(flg==1)
+	{
+	int j,k;
+	for(j=0;j<=4*n;j++)
+	{
+	s1[j]=sin(n*om[j]);
+	s2[j]=sin(om[j]);
+	}
+	s1[0]=n;
+	s2[0]=1;
+	s1[sz]=n*eps;
+	s2[sz]=1;
+	
+	for(k=0;k<=4*n;k++)
+	{
+	s[k]=s1[k]/s2[k];
+	}
+	
+	int x;
+	for(x=0;x<=4*n;x++)
+	{
+	    oup[sz-x]=s[x];
+	}
+	int l;
+	for(l=4*n+1;l<=8*n;l++)
+	{
+	oup[l]=s[l-(sz)];
+	}
+	int m;
+	for(m=0;m<=8*n;m++)
+	{
+	oup[m]=oup[m]/n;
+	}
+	}
+	else
+	{
+	int a;
+	for(a=0;a<=4*n;a++)
+	{
+	om[a]=om[a]-(PI/(2*n));
+	}
+	int j,k;
+	for(j=0;j<=4*n;j++)
+	{
+	s1[j]=sin(n*om[j]);
+	s2[j]=sin(om[j]);
+	}
+	s1[2]=n;
+	s2[2]=1;
+	for(k=0;k<=4*n;k++)
+	{
+	s[k]=s1[k]/s2[k];
+	}
+	int m;
+	for(m=0;m<=4*n;m++)
+	{
+	oup[m]=(eps*s[m])/n;
+	}
+	int l;
+	for(l=4*n+1;l<=8*n;l++)
+	{
+	oup[l]=s[l-(sz)]/n;
+	}
+	
+	}
+}
diff --git a/2.3-1/src/c/signalProcessing/transforms/dct/cdcta.c b/2.3-1/src/c/signalProcessing/transforms/dct/cdcta.c
new file mode 100644
index 00000000..5bc27929
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/transforms/dct/cdcta.c
@@ -0,0 +1,177 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "dct.h"
+#include "addition.h"
+#include "types.h"
+#include "floatComplex.h" 
+/*#include "matrixMultiplication"*/
+/*#include <fftw3.h>*/
+#include <math.h>
+
+void cdcta(floatComplex *in,int row,int col,int sign,floatComplex *out)
+{
+	int i,j,k,u,v;
+	int n;
+	int x,y;
+	float res,ress;
+	float re,z,q,m;
+	floatComplex accu = DoubleComplex(0, 0);
+	floatComplex temp,mm;
+	if(sign==-1)
+	{
+		if(row==1)
+		{
+			n=col;
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=FloatComplex(0,0);
+					for(i=0;i<row;i++)
+					{
+						for(j=0;j<col;j++)
+						{
+							y=row*j+i;		
+							temp=in[y]*(cos(((M_PI)*(y+1-1./2.)*(x))/n));
+							out[x]=cadds(out[x],temp);
+						}
+					}
+					if(x==0)
+					out[x]*=1./(sqrt(n));
+					else
+					{
+						float res=2./n;
+						out[x]*=sqrt(res);
+					}
+				}
+			}
+		}
+		else
+		{	
+			n=col*row;
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=FloatComplex(0,0);
+					for(i=0;i<row;i++)
+					{
+						temp=FloatComplex(0,0);
+						mm=FloatComplex(0,0);
+						for(j=0;j<col;j++)
+						{
+							y=j*row+i;
+							z=(float)(((float)j+1.0/2.0)*(float)v);
+							q=(float)(M_PI/(float)col);
+							mm=in[y]*(cos(q*z));	
+							temp=cadds(temp,mm);
+						}
+						z=(float)(((float)i+1.0/2.0)*(float)u);
+						q=(float)(M_PI/(float)row);
+						temp*=cos(q*z);
+						out[x]=cadds(out[x],temp);
+						}
+					if(u==0)
+					{
+						out[x]*=1./sqrt((float)row);
+						if(v==0)
+						out[x]*=1./sqrt((float)col);
+						else
+						out[x]*=sqrt(2./col);
+					}
+					else
+					{
+						out[x]*=sqrt(2./row);
+						if(v==0)
+						out[x]*=1./sqrt((float)col);
+						else
+						out[x]*=sqrt(2./col);
+					}
+				}
+			}
+		}
+	}
+	else if(sign==1)
+	{
+		n=col;
+		if(row==1)
+		{
+			res=1./sqrt(n);
+			ress=sqrt(2./n);
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=FloatComplex(0,0);
+					for(i=0;i<row;i++)
+					{
+						for(j=0;j<col;j++)
+						{
+							y=row*j+i;		
+							if(y==0)
+							{
+								q=res*(cos(((M_PI)*(j)*(v+1./2.))/n));
+								out[x]=cadds(out[x],in[y]*q);
+							}
+							else
+							{
+								q=ress*(cos(((M_PI)*(j)*(v+1./2.))/n));
+								out[x]=cadds(out[x],in[y]*q);
+							}
+						}
+					}
+				}
+					
+			}
+		}	
+		else	
+		{
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=FloatComplex(0,0);
+					for(i=0;i<row;i++)
+					{
+						re=0;
+						mm=FloatComplex(0,0);
+						temp=FloatComplex(0,0);
+						for(j=0;j<col;j++)
+						{
+							y=row*j+i;
+							mm=in[j*row+i];
+							z=(float)(((float)v+1.0/2.0)*(float)j);
+							q=(float)(M_PI/(float)col);	
+							mm=mm*(cos(q*z));
+							if(j==0)
+							temp=cadds(temp,mm*(1./sqrt((float)col)));
+							else
+							temp=cadds(temp,mm*sqrt(2./col));
+						}
+						z=(float)(((float)u+1.0/2.0)*(float)i);
+						q=(float)(M_PI/(float)row);	
+						if(i==0)
+						out[x]=cadds(out[x],temp*((cos(z*q))*(1./sqrt(row))));
+						else
+						out[x]=cadds(out[x],temp*((cos(z*q))*sqrt(2./row)));
+					}
+				}
+			}
+		}					
+	}
+}
diff --git a/2.3-1/src/c/signalProcessing/transforms/dct/ddcta.c b/2.3-1/src/c/signalProcessing/transforms/dct/ddcta.c
new file mode 100644
index 00000000..3802c816
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/transforms/dct/ddcta.c
@@ -0,0 +1,160 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "dct.h"
+/*#include <fftw3.h>*/
+#include <math.h>
+
+void ddcta(double *in,int row,int col,int sign,double *out)
+{
+	int i,j,k,u,v;
+	int n;
+	int x,y;
+	double res,ress;
+	double re,z,q,m;
+	if(sign==-1)
+	{
+		if(row==1)
+		{
+			n=col;
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=0;
+					for(i=0;i<row;i++)
+					{
+						for(j=0;j<col;j++)
+						{
+							y=row*j+i;		
+							out[x]+=in[y]*(cos(((M_PI)*(y+1-1./2.)*(x))/n));
+						}
+					}
+					if(x==0)
+					out[x]*=1./(sqrt(n));
+					else
+					{
+						double res=2./n;
+						out[x]*=sqrt(res);
+					}
+				}
+			}
+		}
+		else
+		{
+			n=col*row;
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=0;
+					for(i=0;i<row;i++)
+					{
+						re=0;
+						for(j=0;j<col;j++)
+						{
+							m=(double)in[j*row+i];
+							z=(double)(((double)j+1.0/2.0)*(double)v);
+							q=(double)(M_PI/(double)col);	
+							re+=m*(cos(q*z));
+						}
+						z=(double)(((double)i+1.0/2.0)*(double)u);
+						q=(double)(M_PI/(double)row);
+						out[x]+=re*(cos(q*z));
+					}
+					if(u==0)
+					{
+						out[x]/=sqrt((double)row);
+						if(v==0)
+						out[x]/=sqrt((double)col);
+						else
+						out[x]*=sqrt(2./col);
+					}
+					else
+					{
+						out[x]*=sqrt(2./row);
+						if(v==0)
+						out[x]/=sqrt((double)col);
+						else
+						out[x]*=sqrt(2./col);
+					}
+				}
+			}
+		
+		}
+	}
+	else if(sign==1)
+	{
+		n=col;
+		if(row==1)
+		{
+			res=1./sqrt(n);
+			ress=sqrt(2./n);
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=0;
+					for(i=0;i<row;i++)
+					{
+						for(j=0;j<col;j++)
+						{
+							y=row*j+i;		
+							if(y==0)
+							out[x]+=res*in[y]*(cos(((M_PI)*(j)*(v+1./2.))/n));
+							else
+							out[x]+=ress*in[y]*(cos(((M_PI)*(j)*(v+1./2.))/n));
+						}
+					}
+				}
+					
+			}
+		}	
+		else	
+		{
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=0;
+					for(i=0;i<row;i++)
+					{
+						re=0;
+						for(j=0;j<col;j++)
+						{
+							y=row*j+i;
+							m=(double)in[j*row+i];
+							z=(double)(((double)v+1.0/2.0)*(double)j);
+							q=(double)(M_PI/(double)col);	
+							m=m*(cos(q*z));
+							if(j==0)
+							re+=m/sqrt((double)col);
+							else
+							re+=m*sqrt(2./col);
+						}
+						z=(double)(((double)u+1.0/2.0)*(double)i);
+						q=(double)(M_PI/(double)row);	
+						if(i==0)
+						out[x]+=(re*(cos(z*q)))/sqrt((double)row);
+						else
+						out[x]+=(re*(cos(z*q))*sqrt(2./row));
+					}
+				}
+			}
+		}					
+	}
+}
diff --git a/2.3-1/src/c/signalProcessing/transforms/dct/sdcta.c b/2.3-1/src/c/signalProcessing/transforms/dct/sdcta.c
new file mode 100644
index 00000000..9f380e8b
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/transforms/dct/sdcta.c
@@ -0,0 +1,160 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "dct.h"
+/*#include <fftw3.h>*/
+#include <math.h>
+
+void sdcta(float *in,int row,int col,int sign,float *out)
+{
+	int i,j,k,u,v;
+	int n;
+	int x,y;
+	float res,ress;
+	float re,z,q,m;
+	if(sign==-1)
+	{
+		if(row==1)
+		{
+			n=col;
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=0;
+					for(i=0;i<row;i++)
+					{
+						for(j=0;j<col;j++)
+						{
+							y=row*j+i;		
+							out[x]+=in[y]*(cos(((M_PI)*(y+1-1./2.)*(x))/n));
+						}
+					}
+					if(x==0)
+					out[x]*=1./(sqrt(n));
+					else
+					{
+						float res=2./n;
+						out[x]*=sqrt(res);
+					}
+				}
+			}
+		}
+		else
+		{
+			n=col*row;
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=0;
+					for(i=0;i<row;i++)
+					{
+						re=0;
+						for(j=0;j<col;j++)
+						{
+							m=(float)in[j*row+i];
+							z=(float)(((float)j+1.0/2.0)*(float)v);
+							q=(float)(M_PI/(float)col);	
+							re+=m*(cos(q*z));
+						}
+						z=(float)(((float)i+1.0/2.0)*(float)u);
+						q=(float)(M_PI/(float)row);
+						out[x]+=re*(cos(q*z));
+					}
+					if(u==0)
+					{
+						out[x]/=sqrt((float)row);
+						if(v==0)
+						out[x]/=sqrt((float)col);
+						else
+						out[x]*=sqrt(2./col);
+					}
+					else
+					{
+						out[x]*=sqrt(2./row);
+						if(v==0)
+						out[x]/=sqrt((float)col);
+						else
+						out[x]*=sqrt(2./col);
+					}
+				}
+			}
+		
+		}
+	}
+	else if(sign==1)
+	{
+		n=col;
+		if(row==1)
+		{
+			res=1./sqrt(n);
+			ress=sqrt(2./n);
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=0;
+					for(i=0;i<row;i++)
+					{
+						for(j=0;j<col;j++)
+						{
+							y=row*j+i;		
+							if(y==0)
+							out[x]+=res*in[y]*(cos(((M_PI)*(j)*(v+1./2.))/n));
+							else
+							out[x]+=ress*in[y]*(cos(((M_PI)*(j)*(v+1./2.))/n));
+						}
+					}
+				}
+					
+			}
+		}	
+		else	
+		{
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=0;
+					for(i=0;i<row;i++)
+					{
+						re=0;
+						for(j=0;j<col;j++)
+						{
+							y=row*j+i;
+							m=(float)in[j*row+i];
+							z=(float)(((float)v+1.0/2.0)*(float)j);
+							q=(float)(M_PI/(float)col);	
+							m=m*(cos(q*z));
+							if(j==0)
+							re+=m/sqrt((float)col);
+							else
+							re+=m*sqrt(2./col);
+						}
+						z=(float)(((float)u+1.0/2.0)*(float)i);
+						q=(float)(M_PI/(float)row);	
+						if(i==0)
+						out[x]+=(re*(cos(z*q)))/sqrt((float)row);
+						else
+						out[x]+=(re*(cos(z*q))*sqrt(2./row));
+					}
+				}
+			}
+		}					
+	}
+}
diff --git a/2.3-1/src/c/signalProcessing/transforms/dct/zdcta.c b/2.3-1/src/c/signalProcessing/transforms/dct/zdcta.c
new file mode 100644
index 00000000..0204d682
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/transforms/dct/zdcta.c
@@ -0,0 +1,177 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "dct.h"
+#include "addition.h"
+#include "types.h"
+#include "doubleComplex.h" 
+/*#include "matrixMultiplication"*/
+/*#include <fftw3.h>*/
+#include <math.h>
+
+void zdcta(doubleComplex *in,int row,int col,int sign,doubleComplex *out)
+{
+	int i,j,k,u,v;
+	int n;
+	int x,y;
+	double res,ress;
+	double re,z,q,m;
+	doubleComplex accu = DoubleComplex(0, 0);
+	doubleComplex temp,mm;
+	if(sign==-1)
+	{
+		if(row==1)
+		{
+			n=col;
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=DoubleComplex(0,0);
+					for(i=0;i<row;i++)
+					{
+						for(j=0;j<col;j++)
+						{
+							y=row*j+i;		
+							temp=in[y]*(cos(((M_PI)*(y+1-1./2.)*(x))/n));
+							out[x]=zadds(out[x],temp);
+						}
+					}
+					if(x==0)
+					out[x]*=1./(sqrt(n));
+					else
+					{
+						double res=2./n;
+						out[x]*=sqrt(res);
+					}
+				}
+			}
+		}	
+		else	
+		{	
+			n=col*row;
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=DoubleComplex(0,0);
+					for(i=0;i<row;i++)
+					{
+						temp=DoubleComplex(0,0);
+						mm=DoubleComplex(0,0);
+						for(j=0;j<col;j++)
+						{
+							y=j*row+i;
+							z=(double)(((double)j+1.0/2.0)*(double)v);
+							q=(double)(M_PI/(double)col);
+							mm=in[y]*(cos(q*z));	
+							temp=zadds(temp,mm);
+						}
+						z=(double)(((double)i+1.0/2.0)*(double)u);
+						q=(double)(M_PI/(double)row);
+						temp*=cos(q*z);
+						out[x]=zadds(out[x],temp);
+					}
+					if(u==0)
+					{
+						out[x]*=1./sqrt((double)row);
+						if(v==0)
+						out[x]*=1./sqrt((double)col);
+						else
+						out[x]*=sqrt(2./col);
+					}
+					else
+					{
+						out[x]*=sqrt(2./row);
+						if(v==0)
+						out[x]*=1./sqrt((double)col);
+						else
+						out[x]*=sqrt(2./col);
+					}
+				}
+			}
+		}
+	}
+	else if(sign==1)
+	{
+		n=col;
+		if(row==1)
+		{
+			res=1./sqrt(n);
+			ress=sqrt(2./n);
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=DoubleComplex(0,0);
+					for(i=0;i<row;i++)
+					{
+						for(j=0;j<col;j++)
+						{
+							y=row*j+i;		
+							if(y==0)
+							{
+								q=res*(cos(((M_PI)*(j)*(v+1./2.))/n));
+								out[x]=zadds(out[x],in[y]*q);
+							}
+							else
+							{
+								q=ress*(cos(((M_PI)*(j)*(v+1./2.))/n));
+								out[x]=zadds(out[x],in[y]*q);
+							}
+						}
+					}
+				}
+					
+			}
+		}	
+		else	
+		{
+			for(u=0;u<row;u++)
+			{
+				for(v=0;v<col;v++)
+				{
+					x=v*row+u;
+					out[x]=DoubleComplex(0,0);
+					for(i=0;i<row;i++)
+					{
+						re=0;
+						mm=DoubleComplex(0,0);
+						temp=DoubleComplex(0,0);
+						for(j=0;j<col;j++)
+						{
+							y=row*j+i;
+							mm=in[j*row+i];
+							z=(double)(((double)v+1.0/2.0)*(double)j);
+							q=(double)(M_PI/(double)col);	
+							mm=mm*(cos(q*z));
+							if(j==0)
+							temp=zadds(temp,mm*(1./sqrt((double)col)));
+							else
+							temp=zadds(temp,mm*sqrt(2./col));
+						}
+						z=(double)(((double)u+1.0/2.0)*(double)i);
+						q=(double)(M_PI/(double)row);	
+						if(i==0)
+						out[x]=zadds(out[x],temp*((cos(z*q))*(1./sqrt(row))));
+						else
+						out[x]=zadds(out[x],temp*((cos(z*q))*sqrt(2./row)));
+					}
+				}
+			}
+		}					
+	}
+}
diff --git a/2.3-1/src/c/signalProcessing/transforms/idct/cidcta.c b/2.3-1/src/c/signalProcessing/transforms/idct/cidcta.c
new file mode 100644
index 00000000..ec0df0c7
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/transforms/idct/cidcta.c
@@ -0,0 +1,97 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "idct.h"
+#include "addition.h"
+#include "types.h"
+#include "floatComplex.h" 
+/*#include "matrixMultiplication"*/
+/*#include <fftw3.h>*/
+#include <math.h>
+
+void cidcta(floatComplex *in,int row,int col,floatComplex *out)
+{
+	int i,j,k,u,v;
+	int n=col;
+	int x,y;
+	float res,ress;
+	float re,z,q,m;
+	floatComplex accu = DoubleComplex(0, 0);
+	floatComplex temp,mm;
+	if(row==1)
+	{
+		res=1./sqrt(n);
+		ress=sqrt(2./n);
+		for(u=0;u<row;u++)
+		{
+			for(v=0;v<col;v++)
+			{
+				x=v*row+u;
+				out[x]=FloatComplex(0,0);
+				for(i=0;i<row;i++)
+				{
+					for(j=0;j<col;j++)
+					{
+						y=row*j+i;		
+						if(y==0)
+						{
+							q=res*(cos(((M_PI)*(j)*(v+1./2.))/n));
+							out[x]=cadds(out[x],in[y]*q);
+						}
+						else
+						{
+							q=ress*(cos(((M_PI)*(j)*(v+1./2.))/n));
+							out[x]=cadds(out[x],in[y]*q);
+						}
+					}
+				}
+			}
+			
+		}
+	}	
+	else	
+	{
+		for(u=0;u<row;u++)
+		{
+			for(v=0;v<col;v++)
+			{
+				x=v*row+u;
+				out[x]=FloatComplex(0,0);
+				for(i=0;i<row;i++)
+				{
+					re=0;
+					mm=FloatComplex(0,0);
+					temp=FloatComplex(0,0);
+					for(j=0;j<col;j++)
+					{
+						y=row*j+i;
+						mm=in[j*row+i];
+						z=(float)(((float)v+1.0/2.0)*(float)j);
+						q=(float)(M_PI/(float)col);	
+						mm=mm*(cos(q*z));
+						if(j==0)
+						temp=cadds(temp,mm*(1./sqrt((float)col)));
+						else
+						temp=cadds(temp,mm*sqrt(2./col));
+					}
+					z=(float)(((float)u+1.0/2.0)*(float)i);
+					q=(float)(M_PI/(float)row);	
+					if(i==0)
+					out[x]=cadds(out[x],temp*((cos(z*q))*(1./sqrt(row))));
+					else
+					out[x]=cadds(out[x],temp*((cos(z*q))*sqrt(2./row)));
+				}
+			}
+		}
+	}					
+}
diff --git a/2.3-1/src/c/signalProcessing/transforms/idct/didcta.c b/2.3-1/src/c/signalProcessing/transforms/idct/didcta.c
new file mode 100644
index 00000000..5f475160
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/transforms/idct/didcta.c
@@ -0,0 +1,83 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "idct.h"
+/*#include <fftw3.h>*/
+#include <math.h>
+
+void didcta(double *in,int row,int col,double *out)
+{
+	int i,j,k,u,v;
+	int n=col;
+	int x,y;
+	double res,ress;
+	double re,z,q,m;
+	if(row==1)
+	{
+		res=1./sqrt(n);
+		ress=sqrt(2./n);
+		for(u=0;u<row;u++)
+		{
+			for(v=0;v<col;v++)
+			{
+				x=v*row+u;
+				out[x]=0;
+				for(i=0;i<row;i++)
+				{
+					for(j=0;j<col;j++)
+					{
+						y=row*j+i;		
+						if(y==0)
+						out[x]+=res*in[y]*(cos(((M_PI)*(j)*(v+1./2.))/n));
+						else
+						out[x]+=ress*in[y]*(cos(((M_PI)*(j)*(v+1./2.))/n));
+					}
+				}
+			}
+				
+		}
+	}
+	else
+	{
+		for(u=0;u<row;u++)
+		{
+			for(v=0;v<col;v++)
+			{
+				x=v*row+u;
+				out[x]=0;
+				for(i=0;i<row;i++)
+				{
+					re=0;
+					for(j=0;j<col;j++)
+					{
+						y=row*j+i;
+						m=(double)in[j*row+i];
+						z=(double)(((double)v+1.0/2.0)*(double)j);
+						q=(double)(M_PI/(double)col);	
+						m=m*(cos(q*z));
+						if(j==0)
+						re+=m/sqrt((double)col);
+						else
+						re+=m*sqrt(2./col);
+					}
+					z=(double)(((double)u+1.0/2.0)*(double)i);
+					q=(double)(M_PI/(double)row);	
+					if(i==0)
+					out[x]+=(re*(cos(z*q)))/sqrt((double)row);
+					else
+					out[x]+=(re*(cos(z*q))*sqrt(2./row));
+				}
+			}
+		}
+	}					
+}
diff --git a/2.3-1/src/c/signalProcessing/transforms/idct/sidcta.c b/2.3-1/src/c/signalProcessing/transforms/idct/sidcta.c
new file mode 100644
index 00000000..62f85da0
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/transforms/idct/sidcta.c
@@ -0,0 +1,83 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "idct.h"
+/*#include <fftw3.h>*/
+#include <math.h>
+
+void sidcta(float *in,int row,int col,float *out)
+{
+	int i,j,k,u,v;
+	int n=col;
+	int x,y;
+	float res,ress;
+	float re,z,q,m;
+	if(row==1)
+	{
+		res=1./sqrt(n);
+		ress=sqrt(2./n);
+		for(u=0;u<row;u++)
+		{
+			for(v=0;v<col;v++)
+			{
+				x=v*row+u;
+				out[x]=0;
+				for(i=0;i<row;i++)
+				{
+					for(j=0;j<col;j++)
+					{
+						y=row*j+i;		
+						if(y==0)
+						out[x]+=res*in[y]*(cos(((M_PI)*(j)*(v+1./2.))/n));
+						else
+						out[x]+=ress*in[y]*(cos(((M_PI)*(j)*(v+1./2.))/n));
+					}
+				}
+			}
+				
+		}
+	}
+	else
+	{
+		for(u=0;u<row;u++)
+		{
+			for(v=0;v<col;v++)
+			{
+				x=v*row+u;
+				out[x]=0;
+				for(i=0;i<row;i++)
+				{
+					re=0;
+					for(j=0;j<col;j++)
+					{
+						y=row*j+i;
+						m=(float)in[j*row+i];
+						z=(float)(((float)v+1.0/2.0)*(float)j);
+						q=(float)(M_PI/(float)col);	
+						m=m*(cos(q*z));
+						if(j==0)
+						re+=m/sqrt((float)col);
+						else
+						re+=m*sqrt(2./col);
+					}
+					z=(float)(((float)u+1.0/2.0)*(float)i);
+					q=(float)(M_PI/(float)row);	
+					if(i==0)
+					out[x]+=(re*(cos(z*q)))/sqrt((float)row);
+					else
+					out[x]+=(re*(cos(z*q))*sqrt(2./row));
+				}
+			}
+		}
+	}					
+}
diff --git a/2.3-1/src/c/signalProcessing/transforms/idct/zidcta.c b/2.3-1/src/c/signalProcessing/transforms/idct/zidcta.c
new file mode 100644
index 00000000..2177b18c
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/transforms/idct/zidcta.c
@@ -0,0 +1,97 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ukasha Noor
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "idct.h"
+#include "addition.h"
+#include "types.h"
+#include "doubleComplex.h" 
+/*#include "matrixMultiplication"*/
+/*#include <fftw3.h>*/
+#include <math.h>
+
+void zidcta(doubleComplex *in,int row,int col,doubleComplex *out)
+{
+	int i,j,k,u,v;
+	int n=col;
+	int x,y;
+	double res,ress;
+	double re,z,q,m;
+	doubleComplex accu = DoubleComplex(0, 0);
+	doubleComplex temp,mm;
+	if(row==1)
+	{
+		res=1./sqrt(n);
+		ress=sqrt(2./n);
+		for(u=0;u<row;u++)
+		{
+			for(v=0;v<col;v++)
+			{
+				x=v*row+u;
+				out[x]=DoubleComplex(0,0);
+				for(i=0;i<row;i++)
+				{
+					for(j=0;j<col;j++)
+					{
+						y=row*j+i;		
+						if(y==0)
+						{
+							q=res*(cos(((M_PI)*(j)*(v+1./2.))/n));
+							out[x]=zadds(out[x],in[y]*q);
+						}
+						else
+						{
+							q=ress*(cos(((M_PI)*(j)*(v+1./2.))/n));
+							out[x]=zadds(out[x],in[y]*q);
+						}
+					}
+				}
+			}
+				
+		}
+	}	
+	else	
+	{
+		for(u=0;u<row;u++)
+		{
+			for(v=0;v<col;v++)
+			{
+				x=v*row+u;
+				out[x]=DoubleComplex(0,0);
+				for(i=0;i<row;i++)
+				{
+					re=0;
+					mm=DoubleComplex(0,0);
+					temp=DoubleComplex(0,0);
+					for(j=0;j<col;j++)
+					{
+						y=row*j+i;
+						mm=in[j*row+i];
+						z=(double)(((double)v+1.0/2.0)*(double)j);
+						q=(double)(M_PI/(double)col);	
+						mm=mm*(cos(q*z));
+						if(j==0)
+						temp=zadds(temp,mm*(1./sqrt((double)col)));
+						else
+						temp=zadds(temp,mm*sqrt(2./col));
+					}
+					z=(double)(((double)u+1.0/2.0)*(double)i);
+					q=(double)(M_PI/(double)row);	
+					if(i==0)
+					out[x]=zadds(out[x],temp*((cos(z*q))*(1./sqrt(row))));
+					else
+					out[x]=zadds(out[x],temp*((cos(z*q))*sqrt(2./row)));
+				}
+			}
+		}
+	}					
+}
diff --git a/2.3-1/src/c/signalProcessing/zpbutt/dzpbutts.c b/2.3-1/src/c/signalProcessing/zpbutt/dzpbutts.c
new file mode 100644
index 00000000..33f22af9
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/zpbutt/dzpbutts.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include<stdio.h>
+#include<math.h>
+#include "zpbutt.h"
+#define PI 3.14159265
+double dzpbutts(double n,double fl,doubleComplex* out)
+{
+  double e= PI/(2.0*(n));
+  int k;
+  double rl,cpx,gain;
+  for(k=1;k<=n;k++)
+  {
+    double v=2.0*(double)k+(n)-1.0;
+    rl=(fl)*cos(e*v);
+    cpx=(fl)*sin(e*v);
+    out[k-1]=DoubleComplex(rl,cpx);
+  }
+  gain=pow(fl,n);
+
+return gain;
+  
+}
+
diff --git a/2.3-1/src/c/signalProcessing/zpbutt/int_zpbutt.h b/2.3-1/src/c/signalProcessing/zpbutt/int_zpbutt.h
new file mode 100644
index 00000000..72eae8a2
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/zpbutt/int_zpbutt.h
@@ -0,0 +1,19 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_ZPBUTT_H__
+#define __INT_ZPBUTT_H__
+
+#define d0d0zpbuttzada(n,fl,out,gain)  dzpbutts(n,fl,out,gain)
+
+#endif /* !INT_ZPBUTT_H__ */
+
diff --git a/2.3-1/src/c/signalProcessing/zpbutt/zpbutt.h b/2.3-1/src/c/signalProcessing/zpbutt/zpbutt.h
new file mode 100644
index 00000000..6883942c
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/zpbutt/zpbutt.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __ZPBUTT_H__
+#define __ZPBUTT_H__
+#include "types.h"
+#include "doubleComplex.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dzpbutts(double* n,double* fl,doublecomplex* out,double* gain);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
diff --git a/2.3-1/src/c/signalProcessing/zpch1/dzpch1s.c b/2.3-1/src/c/signalProcessing/zpch1/dzpch1s.c
new file mode 100644
index 00000000..ab7b6332
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/zpch1/dzpch1s.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#include<stdio.h>
+#include<math.h>
+#include "zpch1.h"
+#include "multiplication.h"
+#include "conj.h"
+#include "abs.h"
+#define PI 3.14159265
+double dzpch1s(double N,double e,double wc,doubleComplex* out)
+{
+	doubleComplex accumulate,tp;
+      double B,r,R,gain,realVal;
+      double temp=sqrt(1+e*e);
+    
+    B=pow((temp+1)/e,1/N);
+    
+    r=wc*((B*B-1)/(2*B));
+    R=wc*((B*B+1)/(2*B));
+    
+    int k;
+	double t1=1;
+	double t2=0;
+	accumulate=DoubleComplex(t1,t2);
+    for(k=0;k<N;k++)
+    {
+      double theta;
+    theta=(PI/2)+((2*k+1)*PI)/(2*N);
+      double xk,yk;
+    xk=r*cos(theta);
+    yk=R*sin(theta);
+    out[k]=DoubleComplex(xk,yk);
+	tp=DoubleComplex(xk,yk);
+    accumulate=zmuls(accumulate,tp);
+    }
+	
+    realVal=zreals(accumulate);
+	gain=dabss(realVal);
+    if (N==2*(int)(N/2)) 
+            gain=gain/sqrt(1+e*e);
+return gain;
+		
+}
+
diff --git a/2.3-1/src/c/signalProcessing/zpch1/int_zpch1.h b/2.3-1/src/c/signalProcessing/zpch1/int_zpch1.h
new file mode 100644
index 00000000..8933d1a2
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/zpch1/int_zpch1.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_ZPCH1_H__
+#define __INT_ZPCH1_H__
+
+#define d0d0d0zpch1z2d0(N,e,wc) dzpch1s(N,e,wc)
+
+#endif /* !INT_ZPCH1_H__! */
diff --git a/2.3-1/src/c/signalProcessing/zpch1/zpch1.h b/2.3-1/src/c/signalProcessing/zpch1/zpch1.h
new file mode 100644
index 00000000..fbe850cc
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/zpch1/zpch1.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __ZPCH1_H__
+#define __ZPCH1_H__
+#include "types.h"
+#include "doubleComplex.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+double dzpch1s(double N,double e,double wc,doubleComplex* out);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __ZPCH1_H__ */
diff --git a/2.3-1/src/c/signalProcessing/zpch2/dzpch2s.c b/2.3-1/src/c/signalProcessing/zpch2/dzpch2s.c
new file mode 100644
index 00000000..22a46a64
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/zpch2/dzpch2s.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#include<stdio.h>
+#include<math.h>
+#include "zpch2.h"
+#include "multiplication.h"
+#include "abs.h"
+#include "division.h"
+#define PI 3.14159265
+double dzpch2s(double N, double A, double omegar,doubleComplex* zeros,doubleComplex* poles) 
+{
+	int k,j;
+	double e,xk,realVal,gain;
+	doubleComplex accumulate1,accumulate2,tp1,tp2;
+	accumulate1=DoubleComplex(1,0);	
+	accumulate2=DoubleComplex(1,0);
+	int ct=0;
+	for(k=1;k<=N;k++)
+	{
+	if(k!=((N+1)/2))
+	{
+	ct++;
+	double num=PI*(2*k-1);
+	double den=2*N;
+	 xk=cos(num/den);
+	double sk=omegar/xk;
+	zeros[k-1]=DoubleComplex(0,sk);
+	tp1=DoubleComplex(0,sk);
+	accumulate1=zmuls(accumulate1,tp1);
+	}	
+	}
+	for(j=1;j<=N;j++)
+	{
+	double num=PI*(2*j-1);
+	double den=2*N;
+	double xk1=num/den;
+	double Gamma=pow((A+sqrt(A*A-1)),(1/N));
+	double alpha=-((Gamma-1/Gamma)/2)*sin(xk1);
+    	double Beta=((Gamma+1/Gamma)/2)*cos(xk1);
+    	double normal=alpha*alpha+Beta*Beta;
+    	poles[j-1]=DoubleComplex((omegar*alpha)/normal,(omegar*Beta)/normal);
+	tp2=DoubleComplex((omegar*alpha)/normal,(omegar*Beta)/normal);
+	accumulate2=zmuls(accumulate2,tp2);
+	}
+	double qt;
+	double ra2=zreals(accumulate2);
+	double ra1=zreals(accumulate1);	
+	qt=dldivs(ra1,ra2);
+	gain=dabss(qt);
+	
+	return gain;
+	
+}
+
diff --git a/2.3-1/src/c/signalProcessing/zpch2/int_zpch2.h b/2.3-1/src/c/signalProcessing/zpch2/int_zpch2.h
new file mode 100644
index 00000000..683a7614
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/zpch2/int_zpch2.h
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_ZPCH2_H__
+#define __INT_ZPCH2_H__
+
+#define d0d0d0zpch2z2z2(N,A,omegar,zeros,poles) dzpch2s(N,A,omegar,zeros,poles)
+
+#endif /* !INT_ZPCH2_H__! */
diff --git a/2.3-1/src/c/signalProcessing/zpch2/zpch2.h b/2.3-1/src/c/signalProcessing/zpch2/zpch2.h
new file mode 100644
index 00000000..0d191d5c
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/zpch2/zpch2.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __ZPCH2_H__
+#define __ZPCH2_H__
+#include "types.h"
+#include "doubleComplex.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dzpch2s(double N, double A, double omegar,doubleComplex* zeros,doubleComplex* poles);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __ZPCH2_H__ */ 
diff --git a/2.3-1/src/c/string/ascii/dasciia.c b/2.3-1/src/c/string/ascii/dasciia.c
new file mode 100644
index 00000000..d2452880
--- /dev/null
+++ b/2.3-1/src/c/string/ascii/dasciia.c
@@ -0,0 +1,21 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include<stdio.h>
+#include "ascii.h"
+void dasciia(double* inp,int size,char* oup)
+{
+	int i;
+	for(i=0;i<size;i++)
+	{
+	oup[i]=(char)inp[i];
+	}
+}
diff --git a/2.3-1/src/c/string/ascii/gasciia.c b/2.3-1/src/c/string/ascii/gasciia.c
new file mode 100644
index 00000000..2cd80bfb
--- /dev/null
+++ b/2.3-1/src/c/string/ascii/gasciia.c
@@ -0,0 +1,26 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include<stdio.h>
+/* This is the "asciiconv" function which converts the given string
+    into its ascii equivalent.
+*/
+#include "ascii.h"
+void gasciia(char *str,int size,int* oup)
+{
+
+  for(int i=0;i<size;i++)
+  {
+    *(oup+i)=(int)str[i];
+  }
+
+}
+
diff --git a/2.3-1/src/c/string/disp/zdispa.c b/2.3-1/src/c/string/disp/zdispa.c
index 5d085d32..bc71de4b 100644
--- a/2.3-1/src/c/string/disp/zdispa.c
+++ b/2.3-1/src/c/string/disp/zdispa.c
@@ -16,7 +16,7 @@ double zdispa (doubleComplex* in, int rows, int columns){
 	int i = 0,j = 0;
 	
 	for (i = 0; i < rows; ++i) {
-		for (j=0;j<columns;j++) printf("  %1.20f + %1.20fi  " ,zreals(in[i+j*rows]) ,zimags(in[i+j*rows])); 
+		for (j=0;j<columns;j++) printf("  %1.20lf + %1.20lfi  " ,zreals(in[i+j*rows]) ,zimags(in[i+j*rows])); 
 		printf("\n");
 	}
 	return 0;
diff --git a/2.3-1/src/c/string/includes/ascii.h b/2.3-1/src/c/string/includes/ascii.h
new file mode 100644
index 00000000..fcf969da
--- /dev/null
+++ b/2.3-1/src/c/string/includes/ascii.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __ASCII_H__
+#define __ASCII_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void gasciia(char* str,int size,int* oup);
+void dasciia(double* inp,int size,char* oup);
+
+#ifdef __cplusplus
+}/* extern "C" */
+#endif
+
+#endif /*___ASCII_H__*/
diff --git a/2.3-1/src/c/string/includes/strchr.h b/2.3-1/src/c/string/includes/strchr.h
new file mode 100644
index 00000000..7e306413
--- /dev/null
+++ b/2.3-1/src/c/string/includes/strchr.h
@@ -0,0 +1,25 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __STRCHR_H__
+#define __STRCHR_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void gstrchra(char* str,int size, char* key,int size2, char* out);
+
+#ifdef __cplusplus
+}/* extern "C" */
+#endif
+
+#endif /*__STRCHR_H__*/
diff --git a/2.3-1/src/c/string/includes/strcspn.h b/2.3-1/src/c/string/includes/strcspn.h
new file mode 100644
index 00000000..aa91fb47
--- /dev/null
+++ b/2.3-1/src/c/string/includes/strcspn.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __STRCSPN_H__
+#define __STRCSPN_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+uint8 gstrcspna(char* str1,int size1,char* str2,int size2);
+
+#ifdef __cplusplus
+}/* extern "C" */
+#endif
+
+#endif /* __STRCSPN_H */
diff --git a/2.3-1/src/c/string/includes/strncpy.h b/2.3-1/src/c/string/includes/strncpy.h
new file mode 100644
index 00000000..f2aa705b
--- /dev/null
+++ b/2.3-1/src/c/string/includes/strncpy.h
@@ -0,0 +1,25 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __STRNCPY_H__
+#define __STRNCPY_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void gstrncpya(char* str,int size,double key,char* oup);
+
+#ifdef __cplusplus
+}/* extern "C" */
+#endif
+
+#endif /*__STRNCPY_H__*/
diff --git a/2.3-1/src/c/string/includes/strspn.h b/2.3-1/src/c/string/includes/strspn.h
new file mode 100644
index 00000000..427caa4c
--- /dev/null
+++ b/2.3-1/src/c/string/includes/strspn.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __STRSPN_H__
+#define __STRSPN_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+uint8 gstrspna(char* str1,int size1,char* str2,int size2);
+
+#ifdef __cplusplus
+}/* extern "C" */
+#endif
+
+#endif /* __STRSPN_H */
diff --git a/2.3-1/src/c/string/interfaces/int_ascii.h b/2.3-1/src/c/string/interfaces/int_ascii.h
new file mode 100644
index 00000000..87b1b125
--- /dev/null
+++ b/2.3-1/src/c/string/interfaces/int_ascii.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __INT_ASCII_H__
+#define __INT_ASCII_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define g2asciiu82(str,size,oup)  gasciia(str,size[1],oup)
+#define d2asciig2(inp,size,oup)  dasciia(inp,size[1],oup)
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_ASCII_H__*/
diff --git a/2.3-1/src/c/string/interfaces/int_strchr.h b/2.3-1/src/c/string/interfaces/int_strchr.h
new file mode 100644
index 00000000..8747545b
--- /dev/null
+++ b/2.3-1/src/c/string/interfaces/int_strchr.h
@@ -0,0 +1,25 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __INT_STRCHR_H__
+#define __INT_STRCHR_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define g2g2strchrg2(str,size,key,size2,out)   gstrchra(str,size[1],key,size2[1],out)
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_STRCHR_H__*/
diff --git a/2.3-1/src/c/string/interfaces/int_strcspn.h b/2.3-1/src/c/string/interfaces/int_strcspn.h
new file mode 100644
index 00000000..74c6379f
--- /dev/null
+++ b/2.3-1/src/c/string/interfaces/int_strcspn.h
@@ -0,0 +1,25 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __INT_STRCSPN_H__
+#define __INT_STRCSPN_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define g2g2strcspnu80(str1,size1,str2,size2) gstrcspna(str1,size1[1],str2,size2[1])
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __INT_STRCSPN_H__*/
diff --git a/2.3-1/src/c/string/interfaces/int_strncpy.h b/2.3-1/src/c/string/interfaces/int_strncpy.h
new file mode 100644
index 00000000..e7ffdb42
--- /dev/null
+++ b/2.3-1/src/c/string/interfaces/int_strncpy.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __INT_STRNCPY_H__
+#define __INT_STRNCPY_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define g2d0strncpyg2(str,size,key,oup) gstrncpya(str,size[1],key,oup)
+
+#ifdef __cplusplus
+} /* extern "C"*/
+#endif
+
+#endif /*__INT_STRNCPY_H__*/
+
diff --git a/2.3-1/src/c/string/interfaces/int_strspn.h b/2.3-1/src/c/string/interfaces/int_strspn.h
new file mode 100644
index 00000000..e4b06f72
--- /dev/null
+++ b/2.3-1/src/c/string/interfaces/int_strspn.h
@@ -0,0 +1,25 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __INT_STRSPN_H__
+#define __INT_STRSPN_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define g2g2strspnu80(str1,size1,str2,size2) gstrspna(str1,size1[1],str2,size2[1])
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __INT_STRSPN_H__*/
diff --git a/2.3-1/src/c/string/strchr/gstrchra.c b/2.3-1/src/c/string/strchr/gstrchra.c
new file mode 100644
index 00000000..f2f54359
--- /dev/null
+++ b/2.3-1/src/c/string/strchr/gstrchra.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Organization: FOSSEE, IIT Bombay
+ Author: Ankit Raj
+ Email: toolbox@scilab.in
+*/
+#include <stdio.h>
+#include <string.h>
+#include "strchr.h"
+
+void gstrchra(char* str,int size,char* key,int size2,char* out)
+{
+    int ind,i=0,j,k;
+    for(j=0;j<size;j++)
+    {
+      if(str[j]==key[0])
+      {
+        ind=j;
+        break;
+      }
+    }
+    for(k=ind;k<size;k++)
+    {
+      out[i]=str[k];
+	i++;
+    }
+}
+
diff --git a/2.3-1/src/c/string/strcspn/gstrcspna.c b/2.3-1/src/c/string/strcspn/gstrcspna.c
new file mode 100644
index 00000000..0d8de11b
--- /dev/null
+++ b/2.3-1/src/c/string/strcspn/gstrcspna.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Organization: FOSSEE, IIT Bombay
+ Author: Ankit Raj
+ Email: toolbox@scilab.in
+*/
+#include<stdio.h>
+#include<string.h>
+#include "strcspn.h"
+uint8 gstrcspna(char *str1,int size1,char *str2,int size2)
+{
+    int ind;
+    for(int i=0;i<=size1;i++)
+    {
+      for(int j=0;j<=size2;j++)
+      {
+        if(str2[j]==str1[i])
+        {
+          ind=j;
+          break;
+        }
+      }
+    }
+    return (ind+1);
+}
+/*int main()
+{
+    int n1,n2;
+    char inp1[100000],inp2[100000];
+    printf("Enter the length of the first string");
+    scanf("%d",&n1);
+    for(int i=0;i<=(n1+1);i++)
+    {
+      scanf("%c",&inp1[i]);
+    }
+    printf("Enter the length of the second string");
+    scanf("%d",&n2 );
+    for(int j=0;j<=(n2+1);j++)
+    {
+      scanf("%c",&inp2[j]);
+    }
+    strcspnfn(inp1,n1+1,inp2,n2+1);
+}
+*/
diff --git a/2.3-1/src/c/string/strncpy/gstrncpya.c b/2.3-1/src/c/string/strncpy/gstrncpya.c
new file mode 100644
index 00000000..92801985
--- /dev/null
+++ b/2.3-1/src/c/string/strncpy/gstrncpya.c
@@ -0,0 +1,25 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Organization: FOSSEE, IIT Bombay
+ Author: Ankit Raj
+ Email: toolbox@scilab.in
+*/
+#include<stdio.h>
+#include "strncpy.h"
+void gstrncpya(char *str,int size,double key,char *oup)
+{
+    int j;
+    char c;
+    for(j=0;j<key;j++)
+    {
+	c=str[j];
+      oup[j]=c;
+    }
+}
+
+
diff --git a/2.3-1/src/c/string/strspn/gstrspna.c b/2.3-1/src/c/string/strspn/gstrspna.c
new file mode 100644
index 00000000..af1acbb8
--- /dev/null
+++ b/2.3-1/src/c/string/strspn/gstrspna.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Organization: FOSSEE, IIT Bombay
+ Author: Ankit Raj
+ Email: toolbox@scilab.in
+*/
+#include<stdio.h>
+#include "strspn.h"
+
+int maxg(int a,int b){
+	if(a>b) return a;
+	return b;
+}
+uint8 gstrspna(char *str1,int size1,char *str2,int size2)
+{
+    int i,j,ct=0,k=0,m=0;
+	for(i=0;i<size2;i++)
+	{
+	    if(str1[0]==str2[i])
+	    {
+	        k=i;
+		ct=0;
+		j=0;
+	        while(str1[j]==str2[k])
+	        {
+	            ct++;
+	            j++;
+	            k++;
+		    if(j >= size1) break;
+	        }
+		if(j==size1)
+		{
+		ct=ct-1;
+		}
+		m = maxg(m,ct);
+	    }
+	}
+return m;
+}