Merge pull request #29 from abhinavdronamraju/masterHEADmaster

Merged and added functions

30 files changed, 1448 insertions, 2 deletions

diff --git a/2.3-1/src/c/interpolation/interpln/dinterplna.c b/2.3-1/src/c/interpolation/interpln/dinterplna.c
new file mode 100644
index 00000000..76cd7f83
--- /dev/null
+++ b/2.3-1/src/c/interpolation/interpln/dinterplna.c
@@ -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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "interpln.h"
+#include "stdio.h"
+#include "matrixInversion.h"
+#include "matrixTranspose.h"
+
+void dinterplna(double* xyd, int nd, double* x, int x_row, int x_col)
+{
+ int md=2;
+ int n= x_col*x_row;
+ 
+
+
+
+}
+			
+		
diff --git a/2.3-1/src/c/interpolation/interpln/sinterp13a.c b/2.3-1/src/c/interpolation/interpln/sinterp13a.c
new file mode 100644
index 00000000..b8cb0851
--- /dev/null
+++ b/2.3-1/src/c/interpolation/interpln/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/signalProcessing/faurre/dfaurrea.c b/2.3-1/src/c/signalProcessing/faurre/dfaurrea.c
new file mode 100644
index 00000000..04d5a697
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/faurre/dfaurrea.c
@@ -0,0 +1,112 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+/*Funtion to find faurre */
+
+#include "lapack.h"
+#include "stdlib.h"
+#include "string.h"
+#include "faurre.h"
+#include "matrixTranspose.h"
+#include "matrixMultiplication.h"
+#include "matrixInversion.h"
+#include "addition.h"
+#include "subtraction.h"
+#include "eye.h"
+#include "matrixDivision.h"
+
+void dfaurrea(int n, double* H, int H_row, int H_col, double* F, int F_row, int F_col, double* G, int G_row, int G_col, double * R0, int R0_row, int R0_col, double* P, double *R , double* T )
+{ 
+
+/*Variable Declaration Start*/
+ double R0_inv[R0_row* R0_col];
+ double temp1[G_row* R0_col];
+ double Pn[G_row* G_row];
+ double Pn_temp[G_row*G_row];
+ double G_trans[G_col*G_row];
+ double H_trans[H_col*H_row];
+ double F_trans[F_col*F_row];
+ double A_trans[G_col*G_row];
+ double temp2[F_row*G_row];
+ double temp3[F_row*H_row];
+ double A[G_row*G_col];
+ double temp4[H_row*G_row];
+ double temp5[H_row*H_row];
+ double temp6[R0_row*R0_col];
+ double temp7[G_row*R0_row];
+ double temp8[G_row*G_row];
+ double temp9[F_row*F_col];
+ double temp10[H_row*G_row];
+ double temp11[H_row*H_row];
+ double temp12[F_row*G_row];
+ double temp13[F_row*H_row];
+ double temp14[G_row*G_col];
+/*Variable Declaration End*/
+
+ dinverma(R0, R0_inv, R0_row);   //R0_inv= inv(R0)
+ dmulma(G, G_row, G_col, R0_inv, R0_row, R0_col, temp1);   //temp1= G* inv(R0)
+ dtransposea(G, G_row, G_col, G_trans);                    //G_trans= G'
+ dmulma(temp1, G_row, R0_col, G_trans, G_col, G_row, Pn ); // Pn= G* inv(R0)* G'
+ dtransposea(H, H_row, H_col, H_trans);                    //H_trans= H'
+ dtransposea(F, F_row, F_col, F_trans);                    //F_trans= F'
+
+/*//Debug Only*/
+/* for(int i=0; i< G_row*G_row; i++)*/
+/*	printf("Before loop Pn[%d]= %lf \t", i, Pn[i]);*/
+/* printf("\n");*/
+
+ for(int i=1;i <= n ; i++)
+	{
+		dmulma(F, F_row, F_col, Pn, G_row, G_row, temp2);           //temp2= F*Pn;
+		dmulma(temp2, F_row, G_row, H_trans, H_col, H_row, temp3);  //temp3= F*Pn*H'
+		ddiffa( G, G_row*G_col, temp3, F_row*H_row, A);             //A = G- F*Pn*H'
+		dtransposea(A, G_row, G_col, A_trans);                      //A_trans= A'
+                dmulma(H, H_row, H_col, Pn, G_row, G_row, temp4);           //temp4= H*Pn
+                dmulma(temp4, H_row, G_row, H_trans, H_col, H_row, temp5 ); //temp5= H*Pn*H'
+    	        ddiffa(R0, R0_row*R0_col, temp5, H_row*H_row,temp6 );       //temp6= R0-H*Pn*H'
+                drdivma(A,G_row, G_col, temp6, R0_row, R0_col, temp7);      //temp7= A / (R0-H*Pn*H')
+		dmulma(temp7, G_row, R0_row, A_trans, G_col, G_row, temp8); //temp8 =  A / (R0-H*Pn*H')*A'
+ 		dmulma(temp2, F_row, G_row, F_trans, F_col, F_row, temp9);  //temp9= F*Pn*F'
+                dadda(temp9, F_row*F_col,temp8,G_row*G_row, Pn_temp);       //Pn_temp = F*Pn*F'+ A / (R0-H*Pn*H')*A'
+     		for(int j=0; j< G_row*G_row; j++)
+			Pn[j]= Pn_temp[j];
+
+	}
+
+/* //Debug Only*/
+/* for(int i=0; i< G_row*G_row; i++)*/
+/*	printf("Afterloop Pn[%d]= %lf \t", i, Pn[i]);*/
+/* printf("\n");*/
+
+   for(int j=0; j< G_row*G_row; j++)
+		P[j]= Pn[j];
+
+ dmulma(H, H_row, H_col, P, G_row, G_row, temp10);                         //temp10= H*P
+ dmulma(temp10, H_row, G_row, H_trans, H_col, H_row, temp11 );             //temp11= H*P*H'
+ ddiffa(R0, R0_row*R0_col, temp11, H_row*H_row, R );                       //R= R0-H*P*H'
+
+/* //Debug Only*/
+/* for(int i=0; i< H_row*H_row; i++)*/
+/*	printf("R[%d]= %lf \t", i, R[i]);*/
+/* printf("\n");*/
+
+ dmulma(F, F_row, F_col, P, G_row, G_row, temp12);                          //temp12= F*P;
+ dmulma(temp12, F_row, G_row, H_trans, H_col, H_row, temp13);               //temp13= F*P*H'
+ ddiffa( G, G_row*G_col, temp13, F_row*H_row, temp14);                      //temp14 = G- F*P*H'
+ drdivma(temp14,G_row, G_col, R, R0_row, R0_col, T);                        //T= (G-F*P*H')/ R
+
+/* //Debug Only*/
+/* for(int i=0; i< G_row*R0_row; i++)*/
+/*	printf("T[%d]= %lf \t", i, T[i]);*/
+/* printf("\n");*/
+
+}
diff --git a/2.3-1/src/c/signalProcessing/hank/dhanka.c b/2.3-1/src/c/signalProcessing/hank/dhanka.c
index 37008fd6..5cef7f3b 100644
--- a/2.3-1/src/c/signalProcessing/hank/dhanka.c
+++ b/2.3-1/src/c/signalProcessing/hank/dhanka.c
@@ -43,7 +43,7 @@ for(int i=1; i< mr+1; i= i+row)
 	{
 	temp1[j]=i;
 	j++;
-	printf("%d", i);
+	//printf("%d", i);
 	}
 for(int j=0;j< nr; j++)
 	temp2[j]=j;
@@ -65,7 +65,7 @@ for(int i=0; i< m*nr; i++)
 		}
 
         }
-
+//Debug Only
 /*
 printf("ones1\n");
 for(int k=0; k<1*nr; k++)
diff --git a/2.3-1/src/c/signalProcessing/includes/faurre.h b/2.3-1/src/c/signalProcessing/includes/faurre.h
new file mode 100644
index 00000000..e4a2de3c
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/faurre.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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __FAURRE_H__
+#define __FAURRE_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dfaurrea(int n, double* H, int H_row, int H_col, double* F, int F_row, int F_col, double* G, int G_row, int G_col, double * R0, int R0_row, int R0_col, double * P, double* R, double* T);
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __FAURRE_H__ */
+
diff --git a/2.3-1/src/c/signalProcessing/includes/kalm.h b/2.3-1/src/c/signalProcessing/includes/kalm.h
new file mode 100644
index 00000000..6f73ac15
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/kalm.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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __KALM_H__
+#define __KALM_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dkalma(double* y, int y_row, int y_col, double* x0, int x0_row, int x0_col, double* p0, int p0_row, int p0_col, double* f, int f_row, int f_col, double* g, int g_row, int g_col, double* h, int h_row, int h_col, double* q, int q_row, int q_col, double* r, int r_row, int r_col, double* x1, double* p1, double* x, double* p);
+	    
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __KALM_H__ */
+
diff --git a/2.3-1/src/c/signalProcessing/includes/wiener.h b/2.3-1/src/c/signalProcessing/includes/wiener.h
new file mode 100644
index 00000000..ba775266
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/includes/wiener.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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __WEINER_H__
+#define __WEINER_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dwienera(double* y, int y_row, int y_col, double* x0, int x0_row, int x0_col, double* p0, int p0_row, int p0_col, double* f, int f_row, int f_col, double* g, int g_row, int g_col, double* h, int h_row, int h_col, double* q, int q_row, int q_col, double* r, int r_row, int r_col, double* xs, double* ps, double* xf, double* pf);
+	    
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __WEINER_H__ */
+
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_faurre.h b/2.3-1/src/c/signalProcessing/interfaces/int_faurre.h
new file mode 100644
index 00000000..e527a639
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_faurre.h
@@ -0,0 +1,20 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_FAURRE_H__
+#define __INT_FAURRE_H__
+
+#define d0d2d2d2d2faurred2d2d2(in1,in2, size2, in3, size3, in4, size4, in5, size5,out1, out2, out3) \
+			      dfaurrea(in1,in2, size2[0], size2[1],in3, size3[0], size3[1],in4, size4[0], size4[1],in5, size5[0], size5[1], out1, out2, out3)
+
+
+#endif /* !INT_FAURRE_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_kalm.h b/2.3-1/src/c/signalProcessing/interfaces/int_kalm.h
new file mode 100644
index 00000000..b4369c90
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_kalm.h
@@ -0,0 +1,20 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_KALM_H__
+#define __INT_KALM_H__
+
+#define d2d2d2d2d2d2d2d2kalmd2d2d2d2(in1, size1, in2, size2, in3, size3, in4, size4, in5, size5, in6, size6, in7, size7, in8, size8, out1, out2, out3, out4) \
+			      dkalma(in1, size1[0], size1[1],in2, size2[0], size2[1],in3, size3[0], size3[1],in4, size4[0], size4[1],in5, size5[0], size5[1] ,\
+					in6, size6[0], size6[1],in7, size7[0], size7[1],in8, size8[0], size8[1], out1, out2, out3, out4)
+
+#endif /* !INT_KALM_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_weiner.h b/2.3-1/src/c/signalProcessing/interfaces/int_weiner.h
new file mode 100644
index 00000000..daefcf03
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_weiner.h
@@ -0,0 +1,20 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_WIENER_H__
+#define __INT_WIENER_H__
+
+#define d2d2d2d2d2d2d2d2wienerd2d2d2d2(in1, size1, in2, size2, in3, size3, in4, size4, in5, size5, in6, size6, in7, size7, in8, size8, out1, out2, out3, out4) \
+			      dwienera(in1, size1[0], size1[1],in2, size2[0], size2[1],in3, size3[0], size3[1],in4, size4[0], size4[1],in5, size5[0], size5[1] ,\
+					in6, size6[0], size6[1],in7, size7[0], size7[1],in8, size8[0], size8[1], out1, out2, out3, out4)
+
+#endif /* !INT_WEINER_H__! */
diff --git a/2.3-1/src/c/signalProcessing/interfaces/int_wiener.h b/2.3-1/src/c/signalProcessing/interfaces/int_wiener.h
new file mode 100644
index 00000000..daefcf03
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/interfaces/int_wiener.h
@@ -0,0 +1,20 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_WIENER_H__
+#define __INT_WIENER_H__
+
+#define d2d2d2d2d2d2d2d2wienerd2d2d2d2(in1, size1, in2, size2, in3, size3, in4, size4, in5, size5, in6, size6, in7, size7, in8, size8, out1, out2, out3, out4) \
+			      dwienera(in1, size1[0], size1[1],in2, size2[0], size2[1],in3, size3[0], size3[1],in4, size4[0], size4[1],in5, size5[0], size5[1] ,\
+					in6, size6[0], size6[1],in7, size7[0], size7[1],in8, size8[0], size8[1], out1, out2, out3, out4)
+
+#endif /* !INT_WEINER_H__! */
diff --git a/2.3-1/src/c/signalProcessing/kalm/dkalma.c b/2.3-1/src/c/signalProcessing/kalm/dkalma.c
new file mode 100644
index 00000000..d71a86a9
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/kalm/dkalma.c
@@ -0,0 +1,118 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+/*Function to find kalm */
+
+#include "lapack.h"
+#include "stdlib.h"
+#include "stdio.h"
+#include "string.h"
+#include "kalm.h"
+#include "matrixTranspose.h"
+#include "matrixMultiplication.h"
+#include "matrixInversion.h"
+#include "addition.h"
+#include "subtraction.h"
+#include "eye.h"
+
+void dkalma(double* y, int y_row, int y_col, double* x0, int x0_row, int x0_col, double* p0, int p0_row, int p0_col, double* f, int f_row, int f_col, double* g, int g_row, int g_col, double* h, int h_row, int h_col, double* q, int q_row, int q_col, double* r, int r_row, int r_col, double* x1, double* p1, double* x, double* p)
+	    
+{ 
+ double k[p0_row*h_row];
+ double h_trans[h_col*h_row];
+ double temp1[p0_row*h_row];
+ double temp2[h_row*p0_col];
+ double temp3[h_row*h_row];
+ double temp4[h_row*h_row];
+ double temp5[h_row*h_row];
+ double temp6[p0_row*p0_col];
+ double temp7[p0_row*h_col];
+ double temp8[p0_row*p0_col];
+ double f_trans[f_col*f_row];
+ double g_trans[g_col*g_row];
+ double temp9 [f_row*p0_col];
+ double temp10[f_row*f_row];
+ double temp11 [g_row*q_col];
+ double temp12[g_row*g_row];
+ double temp13[h_row*x0_col];
+ double temp14[h_row*x0_col];
+ double temp15[p0_row*x0_col];
+
+
+
+ dtransposea(h, h_row, h_col, h_trans);
+ dmulma(p0, p0_row, p0_col, h_trans, h_col, h_row, temp1);    //temp1= p0*h'
+ dmulma(h, h_row, h_col, p0, p0_row, p0_col, temp2);          //temp2= h*p0
+ dmulma(temp2, h_row, p0_col, h_trans, h_col, h_row, temp3);  //temp3= h*p0*h'
+ dadda(temp3, h_row*h_row, r, r_row*r_col, temp4);            //temp4= h*p0*h'+r
+
+/*//Debug Only*/
+/* for(int i=0; i< h_row*h_row; i++)*/
+/*	printf("temp4[%d] = %lf \t",i, temp4[i]);*/
+/*   printf("\n");*/
+
+ dinverma(temp4, temp5, h_row);                               //temp5= (h*p0*h'+r)**(-1)
+
+ dmulma(temp1, p0_row, h_row, temp5, h_row, h_row, k);        //k=p0*h'*(h*p0*h'+r)**(-1)
+
+/*//Debug Only*/
+/* for(int i=0; i< p0_row*h_row; i++)*/
+/*	printf("k[%d] = %lf \t",i, k[i]);*/
+/*   printf("\n");*/
+   
+   
+ deyea(temp6, p0_row, p0_col);                                //temp6 = eye(p0)
+ dmulma(k, p0_row, h_row, h, h_row, h_col, temp7);            //temp7 = k*h
+ ddiffa(temp6, p0_row*p0_col, temp7, p0_row*h_col, temp8);    //temp8= eye(p0)- k*h
+ dmulma(temp8, p0_row, p0_col, p0, p0_row, p0_col, p);        //p=(eye(p0)-k*h)*p0
+
+/*//Debug Only*/
+/* for(int i=0; i< p0_row*p0_col; i++)*/
+/*	printf("p[%d] = %lf \t",i, p[i]);*/
+/*   printf("\n");*/
+
+
+ dtransposea(g, g_row, g_col, g_trans);
+ dtransposea(f, f_row, f_col, f_trans);
+ dmulma(f, f_row, f_col, p, p0_row, p0_col, temp9);             //temp9= f*p
+ dmulma(temp9, f_row, p0_col, f_trans, f_col, f_row, temp10);  //temp10= f*p*f'
+ dmulma(g, g_row, g_col, q, q_row, q_col, temp11);            //temp11= g*q
+ dmulma(temp11, g_row, q_col, g_trans, g_col, g_row, temp12); //temp12= g*q*g'
+ dadda(temp10, f_row*f_row, temp12, g_row*g_row, p1);         //p1=f*p*f'+g*q*g'
+
+/* //Debug Only*/
+/* for(int i=0; i< f_row*f_row; i++)*/
+/*	printf("p1[%d] = %lf \t",i, p1[i]);*/
+/*   printf("\n");*/
+ 
+ 
+ dmulma(h, h_row, h_col, x0, x0_row, x0_col, temp13);         //temp13= h*x0
+ ddiffa(y, y_row*y_col, temp13, h_row*x0_col, temp14);        //temp14= y-h*x0
+ dmulma(k, p0_row, h_row, temp14, h_row, x0_col, temp15);   //temp15= k*(y-h*x0)
+ dadda(x0, x0_row*x0_col, temp15, p0_row*x0_col, x);          //x=x0+k*(y-h*x0) 
+
+/* //Debug Only*/
+/* for(int i=0; i< x0_row*x0_col; i++)*/
+/*	printf("x[%d] = %lf \t",i, x[i]);*/
+/*   printf("\n");*/
+ 
+
+ dmulma(f, f_row, f_col, x, x0_row, x0_col, x1) ;              //x1= f*x
+
+/* //Debug Only*/
+/* for(int i=0; i< f_row*x0_col; i++)*/
+/*	printf("x1[%d] = %lf \t",i, x1[i]);*/
+/*   printf("\n");*/
+ 
+
+
+}
diff --git a/2.3-1/src/c/signalProcessing/wiener/dwienera.c b/2.3-1/src/c/signalProcessing/wiener/dwienera.c
new file mode 100644
index 00000000..18f49bc9
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/wiener/dwienera.c
@@ -0,0 +1,166 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+/*Function to find kalm */
+
+#include "lapack.h"
+#include "stdlib.h"
+#include "stdio.h"
+#include "string.h"
+#include "wiener.h"
+#include "kalm.h"
+#include "matrixTranspose.h"
+#include "matrixMultiplication.h"
+#include "matrixInversion.h"
+#include "addition.h"
+#include "subtraction.h"
+#include "eye.h"
+
+void dwienera(double* y, int y_row, int y_col, double* x0, int x0_row, int x0_col, double* p0, int p0_row, int p0_col, double* f, int f_row, int f_col, double* g, int g_row, int g_col, double* h, int h_row, int h_col, double* q, int q_row, int q_col, double* r, int r_row, int r_col, double* xs, double* ps, double* xf, double* pf)
+	    
+{ 
+ 
+/* dtransposea(h, h_row, h_col, h_trans);*/
+/* dmulma(p0, p0_row, p0_col, h_trans, h_col, h_row, temp1);    //temp1= p0*h'*/
+/* dmulma(h, h_row, h_col, p0, p0_row, p0_col, temp2);          //temp2= h*p0*/
+/* dmulma(temp2, h_row, p0_col, h_trans, h_col, h_row, temp3);  //temp3= h*p0*h'*/
+/* dadda(temp3, h_row*h_row, r, r_row*r_col, temp4);            //temp4= h*p0*h'+r*/
+ 
+ int n= x0_row, x0j= x0_col, m= y_row, tf= y_col, to=1, k;
+ double ind_nk[n];
+ double ind_mk[m];  
+ double xf1[x0_row*x0_col];
+ double pf1[p0_row*p0_col];
+ double yk[y_row*1];
+ double fk[f_row*n];
+ double gk[g_row*n];
+ double hk[h_row*n];
+ double qk[q_row*n];
+ double rk[r_row*m];
+ double x1[f_row*x0_col];
+ double p1[f_row*f_row];
+ double x[x0_row*x0_col];
+ double p[p0_row*p0_col]; 
+
+
+for(int i=0; i< x0_row*x0_col; i++)
+	xf1[i]= x0[i];
+
+for(int i=0; i< p0_row*p0_col; i++)
+	pf1[i]= p0[i];
+
+for(k=t0; k<=tf; k++)
+{
+ int j=0;
+ for(int i=1+(k-1)*n; i<= k*n; i++)	
+	{
+		ind_nk[j]= i;
+		j++;
+	}
+
+ int j=0;
+ for(int i=1+(k-1)*m; i<= k*m; i++)	
+	{
+		ind_mk[j]= i;
+		j++;
+	}
+
+ for(int i=0; i< y_row; y++)
+	{
+  		int j=k-1;	
+		
+		yk[i]= y[i+j*y_row];
+
+        }
+int l=0;
+ for(int i=0; i<n; i++)
+	{
+        for(int j=0; j< f_row; j++)
+		{
+			int k=ind_nk[i]-1;
+ 							
+			fk[l]= f[j+k*y_row];
+			l++;	
+		}
+
+
+	}
+
+int l=0;
+ for(int i=0; i<n; i++)
+	{
+        for(int j=0; j< g_row; j++)
+		{
+			int k=ind_nk[i]-1;
+ 							
+			gk[l]= g[j+k*y_row];
+			l++;	
+		}
+
+
+	}
+
+int l=0;
+ for(int i=0; i<n; i++)
+	{
+        for(int j=0; j< h_row; j++)
+		{
+			int k=ind_nk[i]-1;
+ 							
+			hk[l]= h[j+k*y_row];
+			l++;	
+		}
+
+
+	}
+
+int l=0;
+ for(int i=0; i<n; i++)
+	{
+        for(int j=0; j< q_row; j++)
+		{
+			int k=ind_nk[i]-1;
+ 							
+			qk[l]= q[j+k*y_row];
+			l++;	
+		}
+
+
+	}
+
+int l=0;
+ for(int i=0; i<m; i++)
+	{
+        for(int j=0; j< r_row; j++)
+		{
+			int k=ind_mk[i]-1;
+ 							
+			rk[l]= r[j+k*y_row];
+			l++;	
+		}
+
+
+	}
+
+
+dkalma(yk, y_row, 1, x0, x0_row, x0_col, p0, p0_row, p0_col, fk, f_row, n, gk, g_row, n, hk, h_row, n, qk, q_row, n, rk, r_row, m, x1, p1, x, p);
+
+
+
+
+}
+
+ 
+
+
+
+}
diff --git a/2.3-1/src/c/statisticsFunctions/includes/mvcorrel.h b/2.3-1/src/c/statisticsFunctions/includes/mvcorrel.h
new file mode 100644
index 00000000..f1ed94cd
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/includes/mvcorrel.h
@@ -0,0 +1,37 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+ 
+
+#ifndef __MVCORREL_H__
+#define __MVCORREL_H__
+
+#include "types.h"
+#include "doubleComplex.h"
+#include "uint16.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+void  dmvcorrela(double* , int, int, double* );
+double dmvcorrel1a( int, int);
+
+void  smvcorrela(float* , int, int, float* );
+float smvcorrel1a( int, int);
+
+
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__MVCORREL_H__*/
diff --git a/2.3-1/src/c/statisticsFunctions/includes/strange.h b/2.3-1/src/c/statisticsFunctions/includes/strange.h
new file mode 100644
index 00000000..0c783ad0
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/includes/strange.h
@@ -0,0 +1,43 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifndef __STRANGE_H__
+#define __STRANGE_H__
+
+
+#include "types.h"
+#include "doubleComplex.h"
+#include "floatComplex.h"
+#include "uint16.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+double dstrangea (double* , int);
+void   dstrangerowa (double*, int , int, double*);
+void   dstrangecola (double*, int , int, double*);
+
+float  sstrangea (float* , int);
+void   sstrangerowa (float*, int , int, float*);
+void   sstrangecola (float*, int , int, float*);
+
+uint16  u16strangea (uint16* , int);
+void   u16strangerowa (uint16*, int , int, uint16*);
+void   u16strangecola (uint16*, int , int, uint16*);
+
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/2.3-1/src/c/statisticsFunctions/interfaces/int_mvcorrel.h b/2.3-1/src/c/statisticsFunctions/interfaces/int_mvcorrel.h
new file mode 100644
index 00000000..481841fb
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/interfaces/int_mvcorrel.h
@@ -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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifndef __INT_MVCORREL_H__
+#define __INT_MVCORREL_H__
+
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d2mvcorreld2(in1, size, out)                             dmvcorrela(in1, size[0] ,size[1], out)
+#define d2mvcorreld0(in1, size)                                  dmvcorrel1a( size[0], size[1] )
+#define d0mvcorreld0(in1)                                        dmvcorrel1a( 1,1 )
+
+#define s2mvcorrels2(in1, size, out)                             smvcorrela(in1, size[0] ,size[1], out)
+#define s2mvcorrels0(in1, size)                                  smvcorrel1a( size[0], size[1] )
+#define s0mvcorrels0(in1)                                        smvcorrel1a( 1,1 )
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_MVCORREL_H__*/
diff --git a/2.3-1/src/c/statisticsFunctions/interfaces/int_strange.h b/2.3-1/src/c/statisticsFunctions/interfaces/int_strange.h
new file mode 100644
index 00000000..133ec2b6
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/interfaces/int_strange.h
@@ -0,0 +1,26 @@
+ /*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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+
+#ifndef __INT_STRANGE_H__
+#define __INT_STRANGE_H__
+
+#define d2stranged0(in1, size)                            dstrangea(in1,size[0]* size[1])
+#define d2g2stranged2(in1, size1, in2, size2, out)        (in2[0]=='r') ? dstrangerowa(in1, size1[0], size1[1], out) : dstrangecola(in1, size1[0] , size1[1], out)
+
+#define s2stranges0(in1, size)                            sstrangea(in1,size[0]* size[1])
+#define s2g2stranges2(in1, size1, in2, size2, out)        (in2[0]=='r') ? sstrangerowa(in1, size1[0], size1[1], out) : sstrangecola(in1, size1[0] , size1[1], out)
+
+#define u162strangeu160(in1, size)                            u16strangea(in1,size[0]* size[1])
+#define u162g2strangeu162(in1, size1, in2, size2, out)        (in2[0]=='r') ? u16strangerowa(in1, size1[0], size1[1], out) : u16strangecola(in1, size1[0] , size1[1], out)
+
+
+#endif
diff --git a/2.3-1/src/c/statisticsFunctions/mvcorrel/dmvcorrel1a.c b/2.3-1/src/c/statisticsFunctions/mvcorrel/dmvcorrel1a.c
new file mode 100644
index 00000000..9971e0fb
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/mvcorrel/dmvcorrel1a.c
@@ -0,0 +1,34 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "mvcorrel.h"
+#include "stdlib.h"
+#include "stdio.h"
+#include "types.h"
+#include "uint16.h"
+#include "zeros.h"
+#include "sum.h"
+#include "ones.h"
+#include "matrixMultiplication.h"
+#include "matrixTranspose.h"
+#include "subtraction.h"
+#include "division.h"
+
+double dmvcorrel1a(int lx, int cx)
+{
+ if(lx==1 && cx==1)
+	return 0;
+
+ else
+	return 1;
+}
diff --git a/2.3-1/src/c/statisticsFunctions/mvcorrel/dmvcorrela.c b/2.3-1/src/c/statisticsFunctions/mvcorrel/dmvcorrela.c
new file mode 100644
index 00000000..a1bacfdc
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/mvcorrel/dmvcorrela.c
@@ -0,0 +1,87 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "mvcorrel.h"
+#include "stdlib.h"
+#include "stdio.h"
+#include "pow.h"
+#include "division.h"
+#include "types.h"
+#include "uint16.h"
+#include "zeros.h"
+#include "sum.h"
+#include "ones.h"
+#include "matrixMultiplication.h"
+#include "matrixTranspose.h"
+#include "subtraction.h"
+#include "division.h"
+
+void dmvcorrela(double *in, int lx, int cx, double* r)
+{
+ double temp1[1* cx];
+ double xbar[1* cx];
+ double temp2[lx*1];
+ double temp3[lx*cx];
+ double temp4[lx*cx];
+ double temp4_trans[cx*lx];
+ double temp5[1* cx];
+ double temp6[lx*cx];
+ double std[1*cx];
+ double std_trans[cx*1];
+ double temp7[cx*cx];
+ double temp8[cx*cx];
+
+ donesa ( temp2 ,  lx , 1 );                             //temp2= ones(lx,1)
+
+ if(lx==1)
+	{
+		 dzerosa (  r , cx ,cx );             //out= zeros(lx,cx)
+
+	}
+
+  else
+	{
+
+                  drowsuma(in, lx, cx, temp1); //temp1= sum(x, "r")
+		
+		  for(int i=0; i< 1*cx; i++)
+			xbar[i]= drdivs(temp1[i], lx);                         // xbar= sum(x, "r")/ lx
+/*		  //Debug Only*/
+/*       		  for(int i= 0; i< 1*cx; i++)*/
+/*			printf("xbar[%d]= %lf\t", i, xbar[i]);*/
+/*		  printf("\n");*/
+		
+                 dmulma(temp2, lx,1, xbar, 1, cx, temp3 );             //temp3= ones(lx,1)*xbar
+		 ddiffa(in, lx*cx, temp3, lx*cx, temp4);               //temp4= r= x-ones(lx,1)*xbar
+		 for(int i=0; i< lx*cx; i++)
+		    temp6[i]= dpows(temp4[i], 2);                        //temp6= r.^2
+                  drowsuma(temp6, lx, cx, temp5);                      //temp5= sum(r.^2, "r")
+		 for(int i=0; i< 1*cx; i++)
+		    std[i]= dpows(temp5[i], 0.5);                        //std=(sum(r .^2,"r")) .^ (0.5)
+/*		  //Debug Only*/
+/*       		  for(int i= 0; i< 1*cx; i++)*/
+/*			printf("std[%d]= %lf\t", i, std[i]);*/
+/*		  printf("\n");     			*/
+		dtransposea ( temp4 , lx , cx, temp4_trans);           //temp4_trans= r'
+		dtransposea ( std , 1 , cx, std_trans);                //std_trans= std'
+		dmulma(temp4_trans, cx,lx, temp4, lx, cx, temp7 );     //temp7= r'*r
+		dmulma(std_trans, cx, 1, std, 1,cx, temp8);           //temp8= std'*std
+		
+		drdiva (temp7, temp8, cx*cx, r);                       // r=(r'*r) ./ (std'*std)
+		
+
+	}
+
+
+
+}
diff --git a/2.3-1/src/c/statisticsFunctions/mvcorrel/smvcorrel1a.c b/2.3-1/src/c/statisticsFunctions/mvcorrel/smvcorrel1a.c
new file mode 100644
index 00000000..345ce601
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/mvcorrel/smvcorrel1a.c
@@ -0,0 +1,34 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "mvcorrel.h"
+#include "stdlib.h"
+#include "stdio.h"
+#include "types.h"
+#include "uint16.h"
+#include "zeros.h"
+#include "sum.h"
+#include "ones.h"
+#include "matrixMultiplication.h"
+#include "matrixTranspose.h"
+#include "subtraction.h"
+#include "division.h"
+
+float smvcorrel1a(int lx, int cx)
+{
+ if(lx==1 && cx==1)
+	return 0;
+
+ else
+	return 1;
+}
diff --git a/2.3-1/src/c/statisticsFunctions/mvcorrel/smvcorrela.c b/2.3-1/src/c/statisticsFunctions/mvcorrel/smvcorrela.c
new file mode 100644
index 00000000..8894ceeb
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/mvcorrel/smvcorrela.c
@@ -0,0 +1,87 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "mvcorrel.h"
+#include "stdlib.h"
+#include "stdio.h"
+#include "types.h"
+#include "pow.h"
+#include "uint16.h"
+#include "zeros.h"
+#include "sum.h"
+#include "ones.h"
+#include "matrixMultiplication.h"
+#include "division.h"
+#include "matrixTranspose.h"
+#include "subtraction.h"
+#include "division.h"
+
+void smvcorrela(float *in, int lx, int cx, float* r)
+{
+ float temp1[1* cx];
+ float xbar[1* cx];
+ float temp2[lx*1];
+ float temp3[lx*cx];
+ float temp4[lx*cx];
+ float temp4_trans[cx*lx];
+ float temp5[1* cx];
+ float temp6[lx*cx];
+ float std[1*cx];
+ float std_trans[cx*1];
+ float temp7[cx*cx];
+ float temp8[cx*cx];
+
+ sonesa ( temp2 ,  lx , 1 );                             //temp2= ones(lx,1)
+
+ if(lx==1)
+	{
+		 szerosa (  r , cx ,cx );             //out= zeros(lx,cx)
+
+	}
+
+  else
+	{
+
+                  srowsuma(in, lx, cx, temp1); //temp1= sum(x, "r")
+		
+		  for(int i=0; i< 1*cx; i++)
+			xbar[i]= srdivs(temp1[i], lx);                         // xbar= sum(x, "r")/ lx
+/*		  //Debug Only*/
+/*       		  for(int i= 0; i< 1*cx; i++)*/
+/*			printf("xbar[%d]= %lf\t", i, xbar[i]);*/
+/*		  printf("\n");*/
+		
+                 smulma(temp2, lx,1, xbar, 1, cx, temp3 );             //temp3= ones(lx,1)*xbar
+		 sdiffa(in, lx*cx, temp3, lx*cx, temp4);               //temp4= r= x-ones(lx,1)*xbar
+		 for(int i=0; i< lx*cx; i++)
+		    temp6[i]= spows(temp4[i], 2);                        //temp6= r.^2
+                  srowsuma(temp6, lx, cx, temp5);                      //temp5= sum(r.^2, "r")
+		 for(int i=0; i< 1*cx; i++)
+		    std[i]= spows(temp5[i], 0.5);                        //std=(sum(r .^2,"r")) .^ (0.5)
+/*		  //Debug Only*/
+/*       		  for(int i= 0; i< 1*cx; i++)*/
+/*			printf("std[%d]= %lf\t", i, std[i]);*/
+/*		  printf("\n");     			*/
+		stransposea ( temp4 , lx , cx, temp4_trans);           //temp4_trans= r'
+		stransposea ( std , 1 , cx, std_trans);                //std_trans= std'
+		smulma(temp4_trans, cx,lx, temp4, lx, cx, temp7 );     //temp7= r'*r
+		smulma(std_trans, cx, 1, std, 1,cx, temp8);           //temp8= std'*std
+		
+		srdiva (temp7, temp8, cx*cx, r);                       // r=(r'*r) ./ (std'*std)
+		
+
+	}
+
+
+
+}
diff --git a/2.3-1/src/c/statisticsFunctions/strange/dstrangea.c b/2.3-1/src/c/statisticsFunctions/strange/dstrangea.c
new file mode 100644
index 00000000..9dc94fe0
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/strange/dstrangea.c
@@ -0,0 +1,60 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "strange.h"
+#include "types.h"
+#include "uint16.h"
+#include "subtraction.h"
+
+double dstrangea(double *in, int size)
+{
+    double a; double in_copy[size];
+
+   for(int i=0; i< size; i++)
+
+	{
+		in_copy[i]= in[i];
+
+        }
+
+
+
+    for (int i = 0; i < size; ++i)
+
+    {
+
+        for (int j = i + 1; j < size; ++j)
+
+        {
+
+            if (in_copy[i] > in_copy[j])
+
+            {
+
+                a =  in_copy[i];
+
+                in_copy[i] = in_copy[j];
+
+                in_copy[j] = a;
+
+            }
+
+        }
+
+    }
+
+
+
+return ddiffs(in_copy[size-1],in_copy[0]);
+
+}
diff --git a/2.3-1/src/c/statisticsFunctions/strange/dstrangecola.c b/2.3-1/src/c/statisticsFunctions/strange/dstrangecola.c
new file mode 100644
index 00000000..d6a11e3d
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/strange/dstrangecola.c
@@ -0,0 +1,37 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "strange.h"
+#include "types.h"
+#include "uint16.h"
+#include "stdio.h"
+
+void dstrangecola(double *in, int row, int col, double* out)
+{
+    double inter[col]; 
+   
+    
+for(int i=0; i< row; i++)
+	{
+		for(int j=0 ; j< col; j++)
+			{
+				inter[j]= in[i+ (j*row)];
+			
+			}
+			
+         out[i]= dstrangea(inter, col);
+	 
+	}
+
+
+}
diff --git a/2.3-1/src/c/statisticsFunctions/strange/dstrangerowa.c b/2.3-1/src/c/statisticsFunctions/strange/dstrangerowa.c
new file mode 100644
index 00000000..f63df35c
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/strange/dstrangerowa.c
@@ -0,0 +1,35 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "strange.h"
+#include "types.h"
+#include "uint16.h"
+
+void dstrangerowa(double *in, int row, int col, double* out)
+{
+    double inter[row]; 
+
+
+for(int i=0; i< col; i++)
+	{
+		for(int j=0 ; j< row; j++)
+			{
+				inter[j]= in[j+ (i*row)];
+				
+			}
+
+	         out[i]= dstrangea(inter, row);
+	}
+
+
+}
diff --git a/2.3-1/src/c/statisticsFunctions/strange/sstrangea.c b/2.3-1/src/c/statisticsFunctions/strange/sstrangea.c
new file mode 100644
index 00000000..f79b00af
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/strange/sstrangea.c
@@ -0,0 +1,60 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "strange.h"
+#include "types.h"
+#include "uint16.h"
+#include "subtraction.h"
+
+float sstrangea(float *in, int size)
+{
+    float a; float in_copy[size];
+
+   for(int i=0; i< size; i++)
+
+	{
+		in_copy[i]= in[i];
+
+        }
+
+
+
+    for (int i = 0; i < size; ++i)
+
+    {
+
+        for (int j = i + 1; j < size; ++j)
+
+        {
+
+            if (in_copy[i] > in_copy[j])
+
+            {
+
+                a =  in_copy[i];
+
+                in_copy[i] = in_copy[j];
+
+                in_copy[j] = a;
+
+            }
+
+        }
+
+    }
+
+
+
+return sdiffs(in_copy[size-1],in_copy[0]);
+
+}
diff --git a/2.3-1/src/c/statisticsFunctions/strange/sstrangecola.c b/2.3-1/src/c/statisticsFunctions/strange/sstrangecola.c
new file mode 100644
index 00000000..4c8e90a4
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/strange/sstrangecola.c
@@ -0,0 +1,37 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "strange.h"
+#include "types.h"
+#include "uint16.h"
+#include "stdio.h"
+
+void sstrangecola(float *in, int row, int col, float* out)
+{
+    float inter[col]; 
+   
+    
+for(int i=0; i< row; i++)
+	{
+		for(int j=0 ; j< col; j++)
+			{
+				inter[j]= in[i+ (j*row)];
+			
+			}
+			
+         out[i]= sstrangea(inter, col);
+	 
+	}
+
+
+}
diff --git a/2.3-1/src/c/statisticsFunctions/strange/sstrangerowa.c b/2.3-1/src/c/statisticsFunctions/strange/sstrangerowa.c
new file mode 100644
index 00000000..50c1165c
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/strange/sstrangerowa.c
@@ -0,0 +1,35 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "strange.h"
+#include "types.h"
+#include "uint16.h"
+
+void sstrangerowa(float *in, int row, int col, float* out)
+{
+    float inter[row]; 
+
+
+for(int i=0; i< col; i++)
+	{
+		for(int j=0 ; j< row; j++)
+			{
+				inter[j]= in[j+ (i*row)];
+				
+			}
+
+	         out[i]= sstrangea(inter, row);
+	}
+
+
+}
diff --git a/2.3-1/src/c/statisticsFunctions/strange/u16strangea.c b/2.3-1/src/c/statisticsFunctions/strange/u16strangea.c
new file mode 100644
index 00000000..66b31fb1
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/strange/u16strangea.c
@@ -0,0 +1,60 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "strange.h"
+#include "types.h"
+#include "uint16.h"
+#include "subtraction.h"
+
+uint16 u16strangea(uint16 *in, int size)
+{
+    uint16 a; uint16 in_copy[size];
+
+   for(int i=0; i< size; i++)
+
+	{
+		in_copy[i]= in[i];
+
+        }
+
+
+
+    for (int i = 0; i < size; ++i)
+
+    {
+
+        for (int j = i + 1; j < size; ++j)
+
+        {
+
+            if (in_copy[i] > in_copy[j])
+
+            {
+
+                a =  in_copy[i];
+
+                in_copy[i] = in_copy[j];
+
+                in_copy[j] = a;
+
+            }
+
+        }
+
+    }
+
+
+
+return u16diffs(in_copy[size-1],in_copy[0]);
+
+}
diff --git a/2.3-1/src/c/statisticsFunctions/strange/u16strangecola.c b/2.3-1/src/c/statisticsFunctions/strange/u16strangecola.c
new file mode 100644
index 00000000..69783607
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/strange/u16strangecola.c
@@ -0,0 +1,37 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "strange.h"
+#include "types.h"
+#include "uint16.h"
+#include "stdio.h"
+
+void u16strangecola(uint16 *in, int row, int col, uint16* out)
+{
+    uint16 inter[col]; 
+   
+    
+for(int i=0; i< row; i++)
+	{
+		for(int j=0 ; j< col; j++)
+			{
+				inter[j]= in[i+ (j*row)];
+			
+			}
+			
+         out[i]= u16strangea(inter, col);
+	 
+	}
+
+
+}
diff --git a/2.3-1/src/c/statisticsFunctions/strange/u16strangerowa.c b/2.3-1/src/c/statisticsFunctions/strange/u16strangerowa.c
new file mode 100644
index 00000000..b7f878d0
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/strange/u16strangerowa.c
@@ -0,0 +1,35 @@
+/* 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: Abhinav Dronamraju
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#include "strange.h"
+#include "types.h"
+#include "uint16.h"
+
+void u16strangerowa(uint16 *in, int row, int col, uint16* out)
+{
+    uint16 inter[row]; 
+
+
+for(int i=0; i< col; i++)
+	{
+		for(int j=0 ; j< row; j++)
+			{
+				inter[j]= in[j+ (i*row)];
+				
+			}
+
+	         out[i]= u16strangea(inter, row);
+	}
+
+
+}