127 files changed, 2804 insertions, 4730 deletions

diff --git a/demos/FilterResponse.dem.sce b/demos/FilterResponse.dem.sce
new file mode 100644
index 0000000..7104836
--- /dev/null
+++ b/demos/FilterResponse.dem.sce
@@ -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
+//
+
+
+
+lines(0);
+
+global SCI2CHOME
+
+scilab2c(SCI2CHOME+"/tests/unit_tests/test_filterResponse/scilabcode/main.sci",TMPDIR,SCI2CHOME+"/tests/unit_tests/test_filterResponse/scilabcode");
diff --git a/demos/Jacobi.dem.sce b/demos/Jacobi.dem.sce
new file mode 100644
index 0000000..0b1618c
--- /dev/null
+++ b/demos/Jacobi.dem.sce
@@ -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
+
+
+
+lines(0);
+
+global SCI2CHOME
+
+scilab2c(SCI2CHOME+"/tests/unit_tests/test_jacobi/scilabcode/main.sci",TMPDIR,SCI2CHOME+"/tests/unit_tests/test_jacobi/scilabcode");
+
diff --git a/demos/SVD.dem.sce b/demos/SVD.dem.sce
new file mode 100644
index 0000000..d466964
--- /dev/null
+++ b/demos/SVD.dem.sce
@@ -0,0 +1,20 @@
+// 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
+
+
+lines(0);
+
+global SCI2CHOME
+
+scilab2c(SCI2CHOME+"tests/unit_tests/testLinearAlgebra/testsvd/testsvd.sci", TMPDIR);
+
+editor(TMPDIR+"/main.c");
+
+
diff --git a/demos/analogFilter.dem.sce b/demos/analogFilter.dem.sce
new file mode 100644
index 0000000..674c954
--- /dev/null
+++ b/demos/analogFilter.dem.sce
@@ -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
+//
+
+
+
+lines(0);
+
+global SCI2CHOME
+
+scilab2c(SCI2CHOME+"/tests/unit_tests/test_analogFilters/scilabcode/main.sci",TMPDIR,SCI2CHOME+"/tests/unit_tests/test_analogFilters/scilabcode");
diff --git a/demos/scilab2c.dem.gateway.sce b/demos/scilab2c.dem.gateway.sce
index 71372e2..011e474 100644
--- a/demos/scilab2c.dem.gateway.sce
+++ b/demos/scilab2c.dem.gateway.sce
@@ -16,6 +16,10 @@ subdemolist = ["Trigonometric Identity" , "TrigonometricIdentity.dem.sce";
               "Linear Regression" , "LinearRegression.dem.sce";
               "Symbols", "Symbols.dem.sce";
                "High Pass Filter", "Filter.dem.sce";
+		"Jacobi functions","Jacobi.dem.sce";
+		"Analog Filters","analogFilter.dem.sce";
+		"String Functions","string.dem.sce";
+		"Filter Responses","FilterResponse.dem.sce";
               ];
 
-subdemolist(:,2) = demopath + subdemolist(:,2);
\ No newline at end of file
+subdemolist(:,2) = demopath + subdemolist(:,2);
diff --git a/demos/string.dem.sce b/demos/string.dem.sce
new file mode 100644
index 0000000..db90905
--- /dev/null
+++ b/demos/string.dem.sce
@@ -0,0 +1,16 @@
+// 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
+//
+
+lines(0);
+
+global SCI2CHOME
+
+scilab2c(SCI2CHOME+"/tests/unit_tests/test_string/scilabcode/main.sci",TMPDIR,SCI2CHOME+"/tests/unit_tests/test_string/scilabcode");
diff --git a/includes/lapack.h b/includes/lapack.h
index 5f12bc2..d3f6cb3 100644
--- a/includes/lapack.h
+++ b/includes/lapack.h
@@ -195,6 +195,13 @@ extern doubleComplex zgesvd_( char* , char* , int* , int* ,doubleComplex *,\
                 int* , double* ,doubleComplex* , int* ,doubleComplex* , int* ,\
                  doubleComplex* , int* , double* , int* );
 
+/*USed in QR decompsition*/
+extern double dgeqrf_(int *,int *,double *,int *,double *,double *,int *,int *);
+extern double dgeqpf_(int *,int *,double *,int *,int *,double *,double *,int *);
+extern double dorgqr_(int *,int *,int *,double *,int *,double *,double *,int *,int *);
+extern void dlaset_(char *,int *,int *,double *,double *,double *,int *);
+
+
 #ifdef  __cplusplus
 } /* extern "C" */
 #endif
diff --git a/includes/sci2clib.h b/includes/sci2clib.h
index 1a8b557..ec34007 100644
--- a/includes/sci2clib.h
+++ b/includes/sci2clib.h
@@ -449,6 +449,11 @@ extern "C" {
 #include "int_norm.h"
 #include "norm.h"
 
+/*interface Toeplitz */
+#include "toeplitz.h"
+#include "int_toeplitz.h"
+
+
 /* SIGNAL PROCESSING */
 
 
@@ -660,8 +665,27 @@ extern "C" {
 #include "hess.h"	/* Linear Algebra - Hess function */
 #include "int_hess.h"
 
-#include "sva.h"
-#include "int_sva.h" /*Linear Algebra - SVA function */
+#include "sva.h"	/* Linear Algebra - SVA function */
+#include "int_sva.h" 
+
+#include "sqroot.h"	/* Linear Algebra - Sqroot function */
+#include "int_sqroot.h"
+
+#include "givens.h"	/* Linear Algebra - Givens Function */
+#include "int_givens.h"
+
+#include "householder.h" /* Linear Algebra - Householder function */
+#include "int_householder.h"
+
+#include "fullrf.h"		/* Linear Algebra - Full rank factoziation */
+#include "int_fullrf.h"
+
+#include "rowcomp.h"	/* Linear Algebra - row compression, range */
+#include "int_rowcomp.h"
+
+
+#include "qr.h" /* Linear Algebra - QR decomposition */
+#include "int_qr.h"
 	
 /*Functions related to opencv*/
 /*#include "cvcore.hpp"
diff --git a/macros/ToolInitialization/INIT_FillSCI2LibCDirs.sci b/macros/ToolInitialization/INIT_FillSCI2LibCDirs.sci
index ead59a2..a588ec5 100644
--- a/macros/ToolInitialization/INIT_FillSCI2LibCDirs.sci
+++ b/macros/ToolInitialization/INIT_FillSCI2LibCDirs.sci
@@ -4525,6 +4525,57 @@ PrintStringInfo('      Adding Function: '+FunctionName+'.',GeneralReport,'file',
 INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCAnnFunDir,ClassName,GeneralReport,ExtensionCAnnFun);

 INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCFLFunDir,ClassName,GeneralReport,ExtensionCFuncListFun);

 

+

+//------------------------------------

+//---- Class TOEPLITZ ----------------

+//------------------------------------

+ClassName = 'toeplitz';

+

+// --- Class Annotation. ---

+PrintStringInfo('   Adding Class: '+ClassName+'.',GeneralReport,'file','y');

+ClassFileName = fullfile(SCI2CLibCAnnClsDir,ClassName+ExtensionCAnnCls);

+

+PrintStringInfo('NIN=         2',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         1',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= IN(2).SZ(2)',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         1',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         1',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+

+

+

+ClassFileName = fullfile(SCI2CLibCFLClsDir,ClassName+ExtensionCFuncListCls);

+PrintStringInfo('d2d2'+ArgSeparator+'d2',ClassFileName,'file','y');

+PrintStringInfo('d2'+ArgSeparator+'d2',ClassFileName,'file','y');

+PrintStringInfo('u82u82'+ArgSeparator+'u82',ClassFileName,'file','y');

+PrintStringInfo('u82'+ArgSeparator+'u82',ClassFileName,'file','y');

+PrintStringInfo('u162u162'+ArgSeparator+'u162',ClassFileName,'file','y');

+PrintStringInfo('u162'+ArgSeparator+'u162',ClassFileName,'file','y');

+PrintStringInfo('g2g2'+ArgSeparator+'g2',ClassFileName,'file','y');

+PrintStringInfo('g2'+ArgSeparator+'g2',ClassFileName,'file','y');

+PrintStringInfo('z2z2'+ArgSeparator+'z2',ClassFileName,'file','y');

+PrintStringInfo('z2'+ArgSeparator+'z2',ClassFileName,'file','y');

+PrintStringInfo('s2s2'+ArgSeparator+'s2',ClassFileName,'file','y');

+PrintStringInfo('s2'+ArgSeparator+'s2',ClassFileName,'file','y');

+PrintStringInfo('c2c2'+ArgSeparator+'c2',ClassFileName,'file','y');

+PrintStringInfo('c2'+ArgSeparator+'c2',ClassFileName,'file','y');

+PrintStringInfo('i82i82'+ArgSeparator+'i82',ClassFileName,'file','y');

+PrintStringInfo('i82'+ArgSeparator+'i82',ClassFileName,'file','y');

+PrintStringInfo('i162i162'+ArgSeparator+'i162',ClassFileName,'file','y');

+PrintStringInfo('i162'+ArgSeparator+'i162',ClassFileName,'file','y');

+

+// --- Annotation Function And Function List Function. ---

+FunctionName = 'toeplitz'; 

+PrintStringInfo('      Adding Function: '+FunctionName+'.',GeneralReport,'file','y');

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCAnnFunDir,ClassName,GeneralReport,ExtensionCAnnFun);

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCFLFunDir,ClassName,GeneralReport,ExtensionCFuncListFun);

+

+

 // -------------------

 // --- Class Spec. ---

 // -------------------

@@ -7782,6 +7833,315 @@ PrintStringInfo('      Adding Function: '+FunctionName+'.',GeneralReport,'file',
 INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCAnnFunDir,ClassName,GeneralReport,ExtensionCAnnFun);

 INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCFLFunDir,ClassName,GeneralReport,ExtensionCFuncListFun);

 

+

+

+//------------------------------------

+//---- Class SQROOT ---------------------

+//------------------------------------

+ClassName = 'SQROOT';

+

+// --- Class Annotation. ---

+PrintStringInfo('   Adding Class: '+ClassName+'.',GeneralReport,'file','y');

+ClassFileName = fullfile(SCI2CLibCAnnClsDir,ClassName+ExtensionCAnnCls);

+

+PrintStringInfo('NIN=         1',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         1',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+

+ClassFileName = fullfile(SCI2CLibCFLClsDir,ClassName+ExtensionCFuncListCls);

+PrintStringInfo('d2'+ArgSeparator+'d2',ClassFileName,'file','y');

+

+// --- Annotation Function And Function List Function. ---

+FunctionName = 'sqroot'; 

+PrintStringInfo('      Adding Function: '+FunctionName+'.',GeneralReport,'file','y');

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCAnnFunDir,ClassName,GeneralReport,ExtensionCAnnFun);

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCFLFunDir,ClassName,GeneralReport,ExtensionCFuncListFun);

+

+

+

+//------------------------------------

+//---- Class GIVENS ---------------------

+//------------------------------------

+ClassName = 'GIVENS';

+

+// --- Class Annotation. ---

+PrintStringInfo('   Adding Class: '+ClassName+'.',GeneralReport,'file','y');

+ClassFileName = fullfile(SCI2CLibCAnnClsDir,ClassName+ExtensionCAnnCls);

+

+PrintStringInfo('NIN=         1',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         1',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  ''2''',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= ''2''',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         1',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         2',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  ''2''',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= ''2''',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  ''2''',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)= ''1''',ClassFileName,'file','y');

+

+

+PrintStringInfo('NIN=         2',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         1',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  ''2''',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= ''2''',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         2',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         2',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  ''2''',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= ''2''',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  ''2''',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)= ''1''',ClassFileName,'file','y');

+

+

+ClassFileName = fullfile(SCI2CLibCFLClsDir,ClassName+ExtensionCFuncListCls);

+PrintStringInfo('d2'+ArgSeparator+'d2',ClassFileName,'file','y');

+PrintStringInfo('d2'+ArgSeparator+'d2d2',ClassFileName,'file','y');

+PrintStringInfo('d0d0'+ArgSeparator+'d2',ClassFileName,'file','y');

+PrintStringInfo('d0d0'+ArgSeparator+'d2d2',ClassFileName,'file','y');

+

+// --- Annotation Function And Function List Function. ---

+FunctionName = 'givens'; 

+PrintStringInfo('      Adding Function: '+FunctionName+'.',GeneralReport,'file','y');

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCAnnFunDir,ClassName,GeneralReport,ExtensionCAnnFun);

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCFLFunDir,ClassName,GeneralReport,ExtensionCFuncListFun);

+

+

+

+//------------------------------------

+//---- Class HOUSEHOLDER---------------------

+//------------------------------------

+ClassName = 'HOUSEHOLDER';

+

+// --- Class Annotation. ---

+PrintStringInfo('   Adding Class: '+ClassName+'.',GeneralReport,'file','y');

+ClassFileName = fullfile(SCI2CLibCAnnClsDir,ClassName+ExtensionCAnnCls);

+

+PrintStringInfo('NIN=         1',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         1',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= ''1''',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         2',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         1',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= ''1''',ClassFileName,'file','y');

+

+ClassFileName = fullfile(SCI2CLibCFLClsDir,ClassName+ExtensionCFuncListCls);

+PrintStringInfo('d2'+ArgSeparator+'d2',ClassFileName,'file','y');

+PrintStringInfo('d2d2'+ArgSeparator+'d2',ClassFileName,'file','y');

+

+// --- Annotation Function And Function List Function. ---

+FunctionName = 'householder'; 

+PrintStringInfo('      Adding Function: '+FunctionName+'.',GeneralReport,'file','y');

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCAnnFunDir,ClassName,GeneralReport,ExtensionCAnnFun);

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCFLFunDir,ClassName,GeneralReport,ExtensionCFuncListFun);

+

+

+//------------------------------------

+//---- Class FULLRF---------------------

+//------------------------------------

+ClassName = 'FULLRF';

+

+// --- Class Annotation. ---

+PrintStringInfo('   Adding Class: '+ClassName+'.',GeneralReport,'file','y');

+ClassFileName = fullfile(SCI2CLibCAnnClsDir,ClassName+ExtensionCAnnCls);

+

+PrintStringInfo('NIN=         1',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         3',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(1)=  ''1''',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(2)= ''1''',ClassFileName,'file','y');

+

+

+PrintStringInfo('NIN=         2',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         3',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+

+

+ClassFileName = fullfile(SCI2CLibCFLClsDir,ClassName+ExtensionCFuncListCls);

+PrintStringInfo('d2'+ArgSeparator+'d2d2d0',ClassFileName,'file','y');

+PrintStringInfo('d2d0'+ArgSeparator+'d2d2d0',ClassFileName,'file','y');

+

+// --- Annotation Function And Function List Function. ---

+FunctionName = 'fullrf'; 

+PrintStringInfo('      Adding Function: '+FunctionName+'.',GeneralReport,'file','y');

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCAnnFunDir,ClassName,GeneralReport,ExtensionCAnnFun);

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCFLFunDir,ClassName,GeneralReport,ExtensionCFuncListFun);

+

+

+//------------------------------------

+//---- Class ROWCOMP ---------------------

+//------------------------------------

+ClassName = 'ROWCOMP';

+

+// --- Class Annotation. ---

+PrintStringInfo('   Adding Class: '+ClassName+'.',GeneralReport,'file','y');

+ClassFileName = fullfile(SCI2CLibCAnnClsDir,ClassName+ExtensionCAnnCls);

+

+PrintStringInfo('NIN=         1',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         2',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  ''1''',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)= ''1''',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         2',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         2',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  ''1''',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)= ''1''',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         3',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         2',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  ''1''',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)= ''1''',ClassFileName,'file','y');

+

+ClassFileName = fullfile(SCI2CLibCFLClsDir,ClassName+ExtensionCFuncListCls);

+PrintStringInfo('d2'+ArgSeparator+'d2d0',ClassFileName,'file','y');

+PrintStringInfo('d2g2'+ArgSeparator+'d2d0',ClassFileName,'file','y');

+PrintStringInfo('d2g2d0'+ArgSeparator+'d2d0',ClassFileName,'file','y');

+

+// --- Annotation Function And Function List Function. ---

+FunctionName = 'rowcomp'; 

+PrintStringInfo('      Adding Function: '+FunctionName+'.',GeneralReport,'file','y');

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCAnnFunDir,ClassName,GeneralReport,ExtensionCAnnFun);

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCFLFunDir,ClassName,GeneralReport,ExtensionCFuncListFun);

+

+

+//------------------------------------

+//---- Class QR---------------------

+//------------------------------------

+ClassName = 'QR';

+

+// --- Class Annotation. ---

+PrintStringInfo('   Adding Class: '+ClassName+'.',GeneralReport,'file','y');

+ClassFileName = fullfile(SCI2CLibCAnnClsDir,ClassName+ExtensionCAnnCls);

+

+PrintStringInfo('NIN=         1',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         2',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)=  IN(1).SZ(2)',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         1',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         3',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(1)=  IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         2',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         2',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)=  FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)=  IN(1).SZ(2)',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         2',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         3',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)=  FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)=  IN(1).SZ(2)',ClassFileName,'file','y');;

+PrintStringInfo('OUT(3).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(1)=  IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         2',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         4',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)=  FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)=  IN(1).SZ(2)',ClassFileName,'file','y');;

+PrintStringInfo('OUT(3).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(1)=  ''1''',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(2)= ''1''',ClassFileName,'file','y');

+PrintStringInfo('OUT(4).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(4).SZ(1)=  IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(4).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         1',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         4',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)=  IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)=  FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=     IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)=  FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)=  IN(1).SZ(2)',ClassFileName,'file','y');;

+PrintStringInfo('OUT(3).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(1)=  ''1''',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(2)= ''1''',ClassFileName,'file','y');

+PrintStringInfo('OUT(4).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(4).SZ(1)=  IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(4).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+

+

+ClassFileName = fullfile(SCI2CLibCFLClsDir,ClassName+ExtensionCFuncListCls);

+PrintStringInfo('d2'+ArgSeparator+'d2d2',ClassFileName,'file','y');

+PrintStringInfo('d2'+ArgSeparator+'d2d2d2',ClassFileName,'file','y');

+PrintStringInfo('d2g2'+ArgSeparator+'d2d2',ClassFileName,'file','y');

+PrintStringInfo('d2g2'+ArgSeparator+'d2d2d2',ClassFileName,'file','y');

+PrintStringInfo('d2d0'+ArgSeparator+'d2d2d0d2',ClassFileName,'file','y');

+PrintStringInfo('d2'+ArgSeparator+'d2d2d0d2',ClassFileName,'file','y');

+

+

+

+// --- Annotation Function And Function List Function. ---

+FunctionName = 'qr'; 

+PrintStringInfo('      Adding Function: '+FunctionName+'.',GeneralReport,'file','y');

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCAnnFunDir,ClassName,GeneralReport,ExtensionCAnnFun);

+INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCFLFunDir,ClassName,GeneralReport,ExtensionCFuncListFun);

+

+

+

 //------------------------------------

 //---- Class svd ---------------------

 //------------------------------------

@@ -7815,8 +8175,8 @@ PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');
 PrintStringInfo('OUT(1).SZ(1)= IN(1).SZ(1)',ClassFileName,'file','y');

 PrintStringInfo('OUT(1).SZ(2)= IN(1).SZ(1)',ClassFileName,'file','y');

 PrintStringInfo('OUT(2).TP=    IN(1).TP',ClassFileName,'file','y');

-PrintStringInfo('OUT(2).SZ(1)= FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

-PrintStringInfo('OUT(2).SZ(2)= FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)= IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

 PrintStringInfo('OUT(3).TP=    IN(1).TP',ClassFileName,'file','y');

 PrintStringInfo('OUT(3).SZ(1)= IN(1).SZ(2)',ClassFileName,'file','y');

 PrintStringInfo('OUT(3).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

@@ -7845,11 +8205,41 @@ PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');
 PrintStringInfo('OUT(1).SZ(1)= IN(1).SZ(1)',ClassFileName,'file','y');

 PrintStringInfo('OUT(1).SZ(2)= IN(1).SZ(1)',ClassFileName,'file','y');

 PrintStringInfo('OUT(2).TP=    IN(1).TP',ClassFileName,'file','y');

-PrintStringInfo('OUT(2).SZ(1)= FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

-PrintStringInfo('OUT(2).SZ(2)= FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)= IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(1)= IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         1',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         4',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)= IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)= IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(1)= IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(3).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(4).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(4).SZ(1)= ''1''',ClassFileName,'file','y');

+PrintStringInfo('OUT(4).SZ(2)= ''1''',ClassFileName,'file','y');

+

+PrintStringInfo('NIN=         2',ClassFileName,'file','y');

+PrintStringInfo('NOUT=         4',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(1)= IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).TP=    IN(1).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(1)= IN(1).SZ(1)',ClassFileName,'file','y');

+PrintStringInfo('OUT(2).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

 PrintStringInfo('OUT(3).TP=    IN(1).TP',ClassFileName,'file','y');

 PrintStringInfo('OUT(3).SZ(1)= IN(1).SZ(2)',ClassFileName,'file','y');

 PrintStringInfo('OUT(3).SZ(2)= IN(1).SZ(2)',ClassFileName,'file','y');

+PrintStringInfo('OUT(4).TP=    ''d''',ClassFileName,'file','y');

+PrintStringInfo('OUT(4).SZ(1)= ''1''',ClassFileName,'file','y');

+PrintStringInfo('OUT(4).SZ(2)= ''1''',ClassFileName,'file','y');

 

 ClassFileName = fullfile(SCI2CLibCFLClsDir,ClassName+ExtensionCFuncListCls);

 PrintStringInfo('d2'+ArgSeparator+'d2',ClassFileName,'file','y');

@@ -7858,6 +8248,8 @@ PrintStringInfo('d2'+ArgSeparator+'d2d2d2',ClassFileName,'file','y');
 PrintStringInfo('z2'+ArgSeparator+'z2',ClassFileName,'file','y');

 PrintStringInfo('z2g2'+ArgSeparator+'z2z2z2',ClassFileName,'file','y');

 PrintStringInfo('z2'+ArgSeparator+'z2z2z2',ClassFileName,'file','y');

+PrintStringInfo('d2'+ArgSeparator+'d2d2d2d0',ClassFileName,'file','y');

+PrintStringInfo('d2d0'+ArgSeparator+'d2d2d2d0',ClassFileName,'file','y');

 

 // --- Annotation Function And Function List Function. ---

 FunctionName = 'svd'; 

@@ -7901,7 +8293,6 @@ INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCAnnFunDir,ClassName,GeneralReport,E
 INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCFLFunDir,ClassName,GeneralReport,ExtensionCFuncListFun);

 

 

-

 //------------------------------------

 //---- Class SVA ---------------------

 //------------------------------------

@@ -7927,7 +8318,7 @@ PrintStringInfo('NIN=         2',ClassFileName,'file','y');
 PrintStringInfo('NOUT=         3',ClassFileName,'file','y');

 PrintStringInfo('OUT(1).TP=    IN(1).TP',ClassFileName,'file','y');

 PrintStringInfo('OUT(1).SZ(1)= IN(1).SZ(1)',ClassFileName,'file','y');

-PrintStringInfo('OUT(1).SZ(2)= FA_SZ_U_SVA(IN(1),IN(2).VAL)',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).SZ(2)= FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

 PrintStringInfo('OUT(2).TP=    IN(1).TP',ClassFileName,'file','y');

 PrintStringInfo('OUT(2).SZ(1)= FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

 PrintStringInfo('OUT(2).SZ(2)= FA_MIN(IN(1).SZ(1),IN(1).SZ(2))',ClassFileName,'file','y');

@@ -7945,6 +8336,7 @@ PrintStringInfo('      Adding Function: '+FunctionName+'.',GeneralReport,'file',
 INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCAnnFunDir,ClassName,GeneralReport,ExtensionCAnnFun);

 INIT_GenAnnFLFunctions(FunctionName,SCI2CLibCFLFunDir,ClassName,GeneralReport,ExtensionCFuncListFun);

 

+

 //------------------------------------

 //---- Class balanc ------------------

 //------------------------------------

@@ -9741,7 +10133,7 @@ ClassFileName = fullfile(SCI2CLibCAnnClsDir,ClassName+ExtensionCAnnCls);
 

 PrintStringInfo('NIN=         3',ClassFileName,'file','y');

 PrintStringInfo('NOUT=         1',ClassFileName,'file','y');

-PrintStringInfo('OUT(1).TP=    IN(3).TP',ClassFileName,'file','y');

+PrintStringInfo('OUT(1).TP=    ''d''',ClassFileName,'file','y');

 PrintStringInfo('OUT(1).SZ(1)= IN(3).SZ(1)',ClassFileName,'file','y');

 PrintStringInfo('OUT(1).SZ(2)= IN(3).SZ(2)',ClassFileName,'file','y');

 

diff --git a/macros/findDeps/getAllHeaders.sci b/macros/findDeps/getAllHeaders.sci
index 0435976..9eb019a 100644
--- a/macros/findDeps/getAllHeaders.sci
+++ b/macros/findDeps/getAllHeaders.sci
@@ -60,7 +60,6 @@ function allHeaders = getAllHeaders(SharedInfo)
       "src/c/matrixOperations/includes/logm.h"
       "src/c/matrixOperations/includes/ones.h"
       "src/c/matrixOperations/includes/matrixSquaredMagnitude.h"
-      "src/c/linearAlgebra/includes/spec.h"
       "src/c/matrixOperations/includes/matrixTranspose.h"
       "src/c/matrixOperations/includes/determ.h"
       "src/c/matrixOperations/includes/matrixMultiplication.h"
@@ -72,6 +71,7 @@ function allHeaders = getAllHeaders(SharedInfo)
       "src/c/matrixOperations/includes/kron.h"
       "src/c/matrixOperations/includes/flipdim.h"
       "src/c/matrixOperations/includes/norm.h"
+      "src/c/matrixOperations/includes/toeplitz.h"
       "src/c/interpolation/includes/interp1.h"
       "src/c/elementaryFunctions/includes/nextpow2.h"
       "src/c/elementaryFunctions/includes/gcd.h"
@@ -220,14 +220,19 @@ function allHeaders = getAllHeaders(SharedInfo)
       "src/c/CACSD/includes/lqr.h"
       "src/c/CACSD/includes/lqe.h"
       "src/c/CACSD/includes/obscont.h"
-      "src/c/linearAlgebra/includes/sva.h"
-      "src/c/linearAlgebra/includes/svd.h"
       "src/c/linearAlgebra/includes/schur.h"
       "src/c/linearAlgebra/includes/balanc.h"
       "src/c/linearAlgebra/includes/svd.h"
-	"src/c/linearAlgebra/includes/hess.h"
-	"src/c/linearAlgebra/includes/sva.h"
-      "src/c/linearAlgebra/includes/rcond.h"];
+	  "src/c/linearAlgebra/includes/hess.h"
+	  "src/c/linearAlgebra/includes/sva.h"	
+	  "src/c/linearAlgebra/includes/sqroot.h"
+	  "src/c/linearAlgebra/includes/givens.h"
+	  "src/c/linearAlgebra/includes/householder.h"
+	  "src/c/linearAlgebra/includes/fullrf.h"
+	  "src/c/linearAlgebra/includes/rowcomp.h"
+      "src/c/linearAlgebra/includes/rcond.h"
+	  "src/c/linearAlgebra/includes/qr.h"
+	  "src/c/linearAlgebra/includes/spec.h"];
 
 
   //Header files required for "Arduino" output
diff --git a/macros/findDeps/getAllInterfaces.sci b/macros/findDeps/getAllInterfaces.sci
index e629779..4c8475a 100644
--- a/macros/findDeps/getAllInterfaces.sci
+++ b/macros/findDeps/getAllInterfaces.sci
@@ -32,7 +32,6 @@ function allInterfaces = getAllInterfaces(SharedInfo)
       "src/c/type/int_real.h"
       "src/c/matrixOperations/interfaces/int_vmagn.h"
       "src/c/matrixOperations/interfaces/int_ones.h"
-      "src/c/linearAlgebra/interfaces/int_spec.h"
       "src/c/matrixOperations/interfaces/int_cat.h"
       "src/c/matrixOperations/interfaces/int_zeros.h"
       "src/c/matrixOperations/interfaces/int_OpBackSlash.h"
@@ -61,6 +60,7 @@ function allInterfaces = getAllInterfaces(SharedInfo)
       "src/c/matrixOperations/interfaces/int_flipdim.h"
       "src/c/matrixOperations/interfaces/int_permute.h"
       "src/c/matrixOperations/interfaces/int_norm.h"
+      "src/c/matrixOperations/interfaces/int_toeplitz.h"
       "src/c/interpolation/interfaces/int_interp1.h"
       "src/c/elementaryFunctions/interfaces/int_nextpow2.h"
       "src/c/elementaryFunctions/interfaces/int_gcd.h"
@@ -215,13 +215,18 @@ function allInterfaces = getAllInterfaces(SharedInfo)
       "src/c/CACSD/interfaces/int_lqr.h"
       "src/c/CACSD/interfaces/int_lqe.h"
       "src/c/CACSD/interfaces/int_obscont.h"
-      "src/c/linearAlgebra/interfaces/int_sva.h"
-      "src/c/linearAlgebra/interfaces/int_svd.h"
+	  "src/c/linearAlgebra/interfaces/int_spec.h"
       "src/c/linearAlgebra/interfaces/int_schur.h"
       "src/c/linearAlgebra/interfaces/int_balanc.h"
       "src/c/linearAlgebra/interfaces/int_svd.h"
+	  "src/c/linearAlgebra/interfaces/int_sqroot.h"
 	  "src/c/linearAlgebra/interfaces/int_hess.h"
-	  "src/c/linearAlgebra/interfaces/int_sva.h"	
+	  "src/c/linearAlgebra/interfaces/int_sva.h"
+	  "src/c/linearAlgebra/interfaces/int_givens.h"	
+	  "src/c/linearAlgebra/interfaces/int_householder.h"
+	  "src/c/linearAlgebra/interfaces/int_fullrf.h"	
+	  "src/c/linearAlgebra/interfaces/int_rowcomp.h"	
+	  "src/c/linearAlgebra/interfaces/int_qr.h";
       "src/c/linearAlgebra/interfaces/int_rcond.h"];
 
 
diff --git a/macros/findDeps/getAllSources.sci b/macros/findDeps/getAllSources.sci
index 0891aef..ff60652 100644
--- a/macros/findDeps/getAllSources.sci
+++ b/macros/findDeps/getAllSources.sci
@@ -155,18 +155,10 @@ function allSources = getAllSources(SharedInfo)
       "src/c/matrixOperations/powm/spowma.c"
       "src/c/matrixOperations/powm/zpowma.c"
       "src/c/matrixOperations/powm/cpowma.c"
-      "src/c/linearAlgebra/spec/cspeca.c"
-      "src/c/linearAlgebra/spec/dspeca.c"
-      "src/c/linearAlgebra/spec/sspeca.c"
-      "src/c/linearAlgebra/spec/zspeca.c"
       "src/c/matrixOperations/transpose/ztransposea.c"
       "src/c/matrixOperations/transpose/stransposea.c"
       "src/c/matrixOperations/transpose/ctransposea.c"
       "src/c/matrixOperations/transpose/dtransposea.c"
-      "src/c/linearAlgebra/spec2/zspec2a.c"
-      "src/c/linearAlgebra/spec2/sspec2a.c"
-      "src/c/linearAlgebra/spec2/dspec2a.c"
-      "src/c/linearAlgebra/spec2/cspec2a.c"
       "src/c/matrixOperations/trace/stracea.c"
       "src/c/matrixOperations/trace/dtracea.c"
       "src/c/matrixOperations/trace/ctracea.c"
@@ -334,6 +326,15 @@ function allSources = getAllSources(SharedInfo)
       "src/c/matrixOperations/kron/skrona.c"
       "src/c/matrixOperations/norm/dnormv.c"
       "src/c/matrixOperations/norm/dnorma.c"
+      "src/c/matrixOperations/toeplitz/dtoeplitza.c"
+      "src/c/matrixOperations/toeplitz/u8toeplitza.c"
+      "src/c/matrixOperations/toeplitz/u16toeplitza.c"
+      "src/c/matrixOperations/toeplitz/gtoeplitza.c"
+      "src/c/matrixOperations/toeplitz/ztoeplitza.c"
+      "src/c/matrixOperations/toeplitz/stoeplitza.c"
+      "src/c/matrixOperations/toeplitz/ctoeplitza.c"
+      "src/c/matrixOperations/toeplitz/i8toeplitza.c"
+      "src/c/matrixOperations/toeplitz/i16toeplitza.c"
       "src/c/elementaryFunctions/nextpow2/dnextpow2a.c"
       "src/c/elementaryFunctions/isreal/sisreals.c"
       "src/c/elementaryFunctions/isreal/disreals.c"
@@ -1263,16 +1264,28 @@ function allSources = getAllSources(SharedInfo)
       "src/c/CACSD/lqr/dlqra.c"
       "src/c/CACSD/lqe/dlqea.c"
       "src/c/CACSD/obscont/dobsconta.c"
-      "src/c/linearAlgebra/sva/dsvaa.c"
-      "src/c/linearAlgebra/svd/dsvda.c"
+	  "src/c/linearAlgebra/spec2/zspec2a.c"
+      "src/c/linearAlgebra/spec2/sspec2a.c"
+      "src/c/linearAlgebra/spec2/dspec2a.c"
+      "src/c/linearAlgebra/spec2/cspec2a.c"
+	  "src/c/linearAlgebra/spec/cspeca.c"
+      "src/c/linearAlgebra/spec/dspeca.c"
+      "src/c/linearAlgebra/spec/sspeca.c"
+      "src/c/linearAlgebra/spec/zspeca.c"
       "src/c/linearAlgebra/schur/dschura.c"
       "src/c/linearAlgebra/schur/dgschura.c"
       "src/c/linearAlgebra/balanc/dbalanca.c"
       "src/c/linearAlgebra/svd/dsvda.c"
 	  "src/c/linearAlgebra/svd/zsvda.c"
+	  "src/c/linearAlgebra/sqroot/dsqroota.c"
 	  "src/c/linearAlgebra/hess/dhessa.c"
+	  "src/c/linearAlgebra/givens/dgivensa.c"
+	  "src/c/linearAlgebra/householder/dhouseholdera.c"
 	  "src/c/linearAlgebra/sva/dsvaa.c"
 	  "src/c/linearAlgebra/spec/dspec1a.c"
+	  "src/c/linearAlgebra/fullrf/dfullrfa.c"
+	  "src/c/linearAlgebra/rowcomp/drowcompa.c"
+	  "src/c/linearAlgebra/qr/dqra.c"
       "src/c/linearAlgebra/rcond/drconda.c"];
 
   //Files to be inserted only if output format selected is 'Arduino'.
diff --git a/macros/scilab2c.sci b/macros/scilab2c.sci
index 197c88b..70290d0 100644
--- a/macros/scilab2c.sci
+++ b/macros/scilab2c.sci
@@ -57,7 +57,7 @@ function scilab2c(varargin)
     RunMode = "All";
     BuildTool = getNativeBuildTool();
     Target = "StandAlone"
-    //Board_name = "uno"
+    Board_name = "uno"
 	//
 // scilab2c(UserScilabMainFile, CCodeOutputDir, UserSciFilesPaths, RunMode)
 //
diff --git a/src/c/linearAlgebra/fullrf/dfullrfa.c b/src/c/linearAlgebra/fullrf/dfullrfa.c
new file mode 100644
index 0000000..a409ae3
--- /dev/null
+++ b/src/c/linearAlgebra/fullrf/dfullrfa.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: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+/* FULL Rank factorization function in scilab */
+
+/*
+	//[Q,M,rk]=fullrf(A)
+    //Full rank factorization : A=Q.M
+    //with range(Q)=range(A) and ker(M)=ker(A),
+    //Q full column rank , M full row rank
+    // rk = rank(A) = #columns(Q) = #rows(M)
+    //F.D.
+*/
+
+#include "fullrf.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include "svd.h"
+#include <math.h>
+#include "norm.h"
+#include "matrixTranspose.h"
+#include "matrixMultiplication.h"
+
+double dfullrfa(int ninp,double *inp1,int row,int col,double tol,double *out1,double *out2){
+	
+	int i,j;
+	/* norm inp1 - norm(inp1,1)*/
+	double na1;
+	na1 = dnorma(inp1,row,col,1);
+		
+	if(ninp == 1){
+		tol = sqrt(pow(2,-52));	
+	}
+	
+	if(na1 < pow(1,-10)){
+		out1 = NULL;
+		out2 = NULL;
+		return 0;	
+	}
+	
+	double tol1;
+	tol1 = tol*na1;
+	
+	double *U,*S,*V;
+	U = (double *)malloc(row*row*sizeof(double));
+	S = (double *)malloc(row*col*sizeof(double));	
+	V = (double *)malloc(col*col*sizeof(double));
+	
+	double rk;
+	rk = dsvda(tol1,inp1,row,col,0,4,U,S,V);
+	
+	/* sq = sqrt(s) */
+	for(i=0;i<row;i++){
+		for(j=0;j<col;j++){
+			if(i == j){
+				S[i*row+j] = pow(S[i*row+j],0.5);
+			}
+			else{
+				S[i*row+j] = 0;			
+			}	
+		}	
+	}
+	
+	double *Q;
+	Q = (double *)malloc(row*col*sizeof(double));
+	dmulma(U,row,row,S,row,col,Q);
+	
+	double *VT;
+	VT = (double *)malloc(col*col*sizeof(double));
+	dtransposea(V,col,col,VT);
+	
+	/* multiplication of sq*V' or S*VT */
+	double *M;
+	M = (double *)malloc(row*col*sizeof(double));
+	dmulma(S,row,col,VT,col,col,M);
+
+	/* This Program is not yet completed properly, as it outputs the whole matrix, instead of the exact output.
+
+	if anyone finds, how to fix the size in INITFILLscidir.sci 
+please change there and change below few lines of codes accordingly.
+
+*/
+	for(i=0;i<row;i++){
+		for(j=0;j<col;j++){
+			//if(j < rk)		
+			out1[i*col+j] = Q[i*col+j];
+			//else
+			//	out1[i*col+j] = 0;	
+		}
+		//printf("\n");	
+	}
+	
+	for(i=0;i<row;i++){
+		for(j=0;j<col;j++){
+			//if(i < rk)	
+				out2[i*col+j] = M[i*col+j];
+			//else
+			//	out2[i*col+j] = 0;
+		}
+	}
+	
+	return rk;
+}
diff --git a/src/c/linearAlgebra/givens/dgivensa.c b/src/c/linearAlgebra/givens/dgivensa.c
new file mode 100644
index 0000000..9bf0637
--- /dev/null
+++ b/src/c/linearAlgebra/givens/dgivensa.c
@@ -0,0 +1,76 @@
+/* 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
+ */
+
+/*  GIVENS scilab function
+	Syntax : u=givens(xy)
+    u=givens(x,y)
+    xy = [x;y], u=givens(xy)
+	returns a 2*2 matrix u such that u*xy=[r;0].
+	c is equal to u*xy
+	givens(x,y)=givens([x;y])
+*/
+
+#include "givens.h"
+#include <stdio.h>
+#include <math.h>
+#include "norm.h"
+
+/* All variable names are according to scilab code */
+
+void dgivensa(int ninp,double *inp1,int row,int col,double *inp2,int row1,int col1,int nout,double *out1,double *out2){
+	double *x;	
+	double r;
+	x = (double *)malloc((double)2*sizeof(double));
+	if(ninp == 2){
+		if(row != 1 || col != 1 || row1 != 1 || col1 != 1){
+			printf("Wrong size for input argument: A column vector expected.\n");
+			return;		
+		}
+		*(x) = *(inp1);
+		*(x+1) = *(inp2);
+	}
+	else{
+		//printf("(%d %d)",row,col);
+		if(row != 2 || col != 1){
+			printf("Wrong size for input argument: A column vector expected.\n");						
+			return;		
+		}
+		//printf("(%lf %lf)",inp1[0],inp1[1]);		
+		x[0] = inp1[0];
+		x[1] = inp1[1];	
+	}
+	if(*(x+1) != 0){
+		//printf("(%lf %lf)",x[0],x[1]);
+		/*Norm of type 2 - find the maximum singular value*/
+		r = dnorma(x,2,1,2);
+		//printf("%lf \n",r);	
+		*(out1) = (*(x))/r;
+		*(out1+1) = -(*(x+1))/r;
+		*(out1+2) = (*(x+1))/r;
+		*(out1+3) = (*(x))/r;
+		if(nout == 2){
+			*(out2) = r;
+			*(out2+1) = 0;		
+		}
+		
+	}	
+	else{
+		*(out1) = 1;
+		*(out1+1) = 0;
+		*(out1+2) = 1;
+		*(out1+3) = 0;		
+		if(nout == 2){
+			*(out2) = *(x);
+			*(out2+1) = *(x+1);
+		}		
+	}
+}
diff --git a/src/c/linearAlgebra/hess/dhessa.c b/src/c/linearAlgebra/hess/dhessa.c
index 57f81b3..e1f2e2d 100644
--- a/src/c/linearAlgebra/hess/dhessa.c
+++ b/src/c/linearAlgebra/hess/dhessa.c
@@ -20,11 +20,13 @@
 #include "matrixTranspose.h"
 #include "matrixMultiplication.h"
 
+/* Lapack subroutines - which are used*/
 extern int dgehrd_(int *, int *,int *,double *,int *,double *,double *,int *,int *);
 extern int dorghr_(int *, int *,int *,double *,int *,double *,double *,int *,int *);
 
-
+/* All the vairbale names are given exactly the same name as scilab source code */
 void dhessa(double *in1,int size,int nout,double *out1, double *out2){
+/* Variables names are done through, Lapack library. */
 	int i,j,k;	
 	int N = size;
 	int ILO=1;
@@ -41,11 +43,11 @@ void dhessa(double *in1,int size,int nout,double *out1, double *out2){
 	WORK = (double *)malloc((double)LWORK*sizeof(double));
 	dgehrd_(&N,&ILO,&IHI,A,&LDA,TAU,WORK,&N,&INFO);
 		
-	for(i=0;i<N;i++)
+	for(i=0;i<N;i++)		/* copying it in output */
 		for(j=0;j<N;j++)
 			out2[i+j*N] = A[i+j*N];
 	
-	for(j=1;j<=N-2;j++){
+	for(j=1;j<=N-2;j++){	/* copying it in output */
 		for(i=j+2;i<=N;i++){
 			out2[(i-1)+(j-1)*N] = 0;
 		}
diff --git a/src/c/linearAlgebra/householder/dhouseholdera.c b/src/c/linearAlgebra/householder/dhouseholdera.c
new file mode 100644
index 0000000..5a98bfa
--- /dev/null
+++ b/src/c/linearAlgebra/householder/dhouseholdera.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: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+/* Householder orthogonal reflexion matrix */
+
+/*
+Syntax :- 
+    //u=householder(v [,w])
+    //Description
+    //given 2 column vectors v w of same size householder(v,w) returns a unitary
+    //column vector u, such that (eye-2*u*u')*v is proportional to w.
+    //(eye-2*u*u') is the orthogonal Householder reflexion matrix
+    //
+    // w default value is eye(v). In this case vector (eye-2*u*u')*v is the
+    // vector  eye(v)*(+-norm(v))
+*/
+#include <stdio.h>
+#include <stdlib.h>
+#include "householder.h"
+#include "eye.h"
+#include "matrixTranspose.h"
+#include "matrixMultiplication.h"
+#include <math.h>
+#include "norm.h"
+
+void dhouseholdera(int ninp,double *inp1,int row,double *inp2,double *out1){
+
+	int i,j;
+	double *x;
+	x = (double *)malloc(row*sizeof(double));
+	
+	for(i=0;i<row;i++)
+		x[i] = inp1[i];	
+	
+	if(ninp < 2){
+		deyea(x,row,1);	
+	}
+	else{
+		for(i=0;i<row;i++){
+			x[i] = inp2[i];		
+		}	
+	}
+
+	/* vt transpose of inp1 */
+	
+	double *vt;
+	vt = (double *)malloc(row*sizeof(double));
+	dtransposea(inp1,row,1,vt);
+	
+	/*wt transpose of inp2 */	
+	double *wt;
+	wt = (double *)malloc(row*sizeof(double));
+	dtransposea(x,row,1,wt);
+	
+	/* vvt = inp1*vt */
+	double *vvt;
+	vvt = (double *)malloc(1*1*sizeof(double));
+	dmulma(vt,1,row,inp1,row,1,vvt);
+	
+	/* wwt = inp2*wt */
+	double *wwt;
+	wwt = (double *)malloc(1*1*sizeof(double));
+	dmulma(wt,1,row,x,row,1,wwt);
+	
+	/* a=-sqrt((v'*v)/(w'*w)) */
+	double a;
+	//a = (double *)malloc(1*1*sizeof(double));
+	a = -sqrt(vvt[0]/wwt[0]);
+
+	for(i=0;i<row;i++){
+		out1[i] = x[i]*a+inp1[i];	
+	}
+	
+	/* norm of out1 */
+	double r;
+	r = dnorma(out1,row,1,2);
+
+	for(i=0;i<row;i++){
+		out1[i]=out1[i]/r;	
+	}
+}
diff --git a/src/c/linearAlgebra/includes/fullrf.h b/src/c/linearAlgebra/includes/fullrf.h
new file mode 100644
index 0000000..cc0a33d
--- /dev/null
+++ b/src/c/linearAlgebra/includes/fullrf.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 __FULLRF_H__
+#define __FULLRF_H__
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+double dfullrfa(int ninp,double *in1,int row,int col,double tol,double *out1,double *out2);
+
+#ifdef  __cplusplus 
+} /* extern "C" */
+#endif
+
+#endif /*__FULLRF_H__*/
diff --git a/src/c/linearAlgebra/includes/givens.h b/src/c/linearAlgebra/includes/givens.h
new file mode 100644
index 0000000..4aac91b
--- /dev/null
+++ b/src/c/linearAlgebra/includes/givens.h
@@ -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
+ Author: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __GIVENS_H__
+#define __GIVENS_H__
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+void dgivensa(int ninp,double *inp1,int row,int col,double *inp2,int row1,int col1,int nout,double *out1,double *out2);
+
+#ifdef  __cplusplus 
+} /* extern "C" */
+#endif
+
+#endif /*__givens_H__*/
diff --git a/src/c/linearAlgebra/includes/householder.h b/src/c/linearAlgebra/includes/householder.h
new file mode 100644
index 0000000..64350a1
--- /dev/null
+++ b/src/c/linearAlgebra/includes/householder.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 __HOUSEHOLDER_H__
+#define __HOUSEHOLDER_H__
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+void dhouseholdera(int ninp,double *inp1,int row,double *inp2,double *out1);
+
+#ifdef  __cplusplus 
+} /* extern "C" */
+#endif
+
+#endif /*__HOUSEHOLDER_H__*/
diff --git a/src/c/linearAlgebra/includes/qr.h b/src/c/linearAlgebra/includes/qr.h
new file mode 100644
index 0000000..2ed12e3
--- /dev/null
+++ b/src/c/linearAlgebra/includes/qr.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 __QR_H__
+#define __QR_H__
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+double dqra(int ninp,int nout,double *inp1,int M,int N,double tol,double *out1,double *out2,double *out3);
+
+#ifdef  __cplusplus 
+} /* extern "C" */
+#endif
+
+#endif /*__QR_H__*/
diff --git a/src/c/linearAlgebra/includes/rowcomp.h b/src/c/linearAlgebra/includes/rowcomp.h
new file mode 100644
index 0000000..faf5a2a
--- /dev/null
+++ b/src/c/linearAlgebra/includes/rowcomp.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 __ROWCOMP_H__
+#define __ROWCOMP_H__
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+double drowcompa(int ninp,double *A,int row,int col,char *flag,double tol,double *w);
+
+#ifdef  __cplusplus 
+} /* extern "C" */
+#endif
+
+#endif /*__ROWCOMP_H__*/
diff --git a/src/c/linearAlgebra/includes/sqroot.h b/src/c/linearAlgebra/includes/sqroot.h
new file mode 100644
index 0000000..9c1d965
--- /dev/null
+++ b/src/c/linearAlgebra/includes/sqroot.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 __SQROOT_H__
+#define __SQROOT_H__
+#include "types.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+void dsqroota(double *inp,int row,int col,double *out);
+
+#ifdef  __cplusplus 
+} /* extern "C" */
+#endif
+
+#endif /*__SQROOT_H__*/
diff --git a/src/c/linearAlgebra/interfaces/int_fullrf.h b/src/c/linearAlgebra/interfaces/int_fullrf.h
new file mode 100644
index 0000000..1b8a067
--- /dev/null
+++ b/src/c/linearAlgebra/interfaces/int_fullrf.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_FULLRF_H__
+#define __INT_FULLRF_H__
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d2fullrfd2d2d0(in1,size,out1,out2) dfullrfa(1,in1,size[0],size[1],0,out1,out2);
+#define d2d0fullrfd2d2d0(in1,size,in2,out1,out2) dfullrfa(2,in1,size[0],size[1],in2,out1,out2);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_FULLRF_H__*/
+
diff --git a/src/c/linearAlgebra/interfaces/int_givens.h b/src/c/linearAlgebra/interfaces/int_givens.h
new file mode 100644
index 0000000..ba30dbc
--- /dev/null
+++ b/src/c/linearAlgebra/interfaces/int_givens.h
@@ -0,0 +1,32 @@
+ /* 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_GIVENS_H__
+#define __INT_GIVENS_H__
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d2givensd2(in1,size,out1) dgivensa(1,in1,size[0],size[1],NULL,0,0,1,out1,NULL);
+#define d2givensd2d2(in1,size,out1,out2) dgivensa(1,in1,size[0],size[1],NULL,0,0,2,out1,out2);
+
+#define d0d0givensd2d2(in1,in2,out1,out2) dgivensa(2,&in1,1,1,&in2,1,1,2,out1,out2);
+#define d0d0givensd2(in1,out1) dgivensa(2,&in1,1,1,&in2,1,1,1,out1,NULL);
+
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_GIVENS_H__*/
+
diff --git a/src/c/linearAlgebra/interfaces/int_householder.h b/src/c/linearAlgebra/interfaces/int_householder.h
new file mode 100644
index 0000000..f863719
--- /dev/null
+++ b/src/c/linearAlgebra/interfaces/int_householder.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_HOUSEHOLDER_H__
+#define __INT_HOUSEHOLDER_H__
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d2householderd2(in1,size,out1) dhouseholdera(1,in1,size[0],NULL,out2);
+#define d2d2householderd2(in1,size1,in2,size2,out1) dhouseholdera(2,in1,size1[0],in2,out1);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_HOUSEHOLDER_H__*/
+
diff --git a/src/c/linearAlgebra/interfaces/int_qr.h b/src/c/linearAlgebra/interfaces/int_qr.h
new file mode 100644
index 0000000..d34d8f4
--- /dev/null
+++ b/src/c/linearAlgebra/interfaces/int_qr.h
@@ -0,0 +1,34 @@
+ /* 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_QR_H__
+#define __INT_QR_H__
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d2qrd2d2(in1,size,out1,out2) dqra(1,2,in1,size[0],size[1],0,out1,out2,NULL);
+#define d2qrd2d2d2(in1,size,out1,out2,out3) dqra(1,3,in1,size[0],size[1],0,out1,out2,out3);
+#define d2g2qrd2d2(in1,size,in2,size1,out1,out2) dqra(2,2,in1,size[0],size[1],0,out1,out2,NULL);
+#define d2g2qrd2d2d2(in1,size,in2,size1,out1,out2,out3) dqra(2,3,in1,size[0],size[1],0,out1,out2,out3);
+#define d2d0qrd2d2d0d2(in1,size,in2,out1,out2,out3) dqra(2,4,in1,size[0],size[1],in2,out1,out2,out3);
+#define d2qrd2d2d0d2(in1,size,out1,out2,out3) dqra(1,4,in1,size[0],size[1],0,out1,out2,out3);
+
+
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_HESS_H__*/
+
diff --git a/src/c/linearAlgebra/interfaces/int_rowcomp.h b/src/c/linearAlgebra/interfaces/int_rowcomp.h
new file mode 100644
index 0000000..b72687d
--- /dev/null
+++ b/src/c/linearAlgebra/interfaces/int_rowcomp.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 __INT_ROWCOMP_H__
+#define __INT_ROWCOMP_H__
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d2rowcompd2d0(in1,size,out1) drowcompa(1,in1,size[0],size[1],NULL,0,out1);
+#define d2g2rowcompd2d0(in1,size,flag,size1,out1) drowcompa(2,in1,size[0],size[1],flag,0,out1);
+#define d2g2d0rowcompd2d0(in1,size,flag,size1,tol,out1) drowcompa(2,in1,size[0],size[1],flag,tol,out1);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_ROWCOMP_H__*/
+
diff --git a/src/c/linearAlgebra/interfaces/int_sqroot.h b/src/c/linearAlgebra/interfaces/int_sqroot.h
new file mode 100644
index 0000000..57af2c0
--- /dev/null
+++ b/src/c/linearAlgebra/interfaces/int_sqroot.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: Sandeep Gupta
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_SQROOT_H__
+#define __INT_SQROOT_H__
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d2sqrootd2(inp,size,out) dsqroota(inp,size[0],size[1],out);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_HESS_H__*/
+
diff --git a/src/c/linearAlgebra/proj/dproja.c b/src/c/linearAlgebra/proj/dproja.c
new file mode 100644
index 0000000..e27cd6f
--- /dev/null
+++ b/src/c/linearAlgebra/proj/dproja.c
@@ -0,0 +1,73 @@
+/* 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
+ */
+
+/* Scilab function proj code in C */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "proj.h"
+#include "eye.h"
+#include "matrixTranspose.h"
+#include "matrixMultiplication.h"
+#include <math.h>
+#include "norm.h"
+
+
+double dproja(double *x1,int l,int k,double *x2,int m2,int n2,double *y){
+	int i,j;
+	double *w;
+	w = (double *)malloc(l*l*sizeof(double));
+	double rk;
+	rk = drowcompa(1,x1,l,k,NULL,0,w);
+	
+	double *w1;
+	w1 = (double *)malloc(rk*l*sizeof(double));
+	
+	for(i=0;i<l*rk;i++){
+		w1[i]=w[i];	
+	}	
+
+	double *x1t;
+	x1t = (double *)malloc((l-n)*l*sizeof(double);
+	
+	for(i=n;i<l;i++){
+		for(j=0;j<l;j++){
+			x1t[i-n+j*l] = w1[i+j*l]; 
+		}					
+	}		
+	
+	double x1x2;
+	x1x2 = (double *)malloc((l-n+1)*n2*sizeof(double));
+	dmulma(x1t,l-n+1,l,x2,m2,n2,x1x2);
+		
+	double *inx1x2;
+	inx1x2 = (double *)malloc();
+		
+	
+ 
+	
+	
+	
+	
+
+
+
+
+
+
+
+
+
+
+
+	
+}
diff --git a/src/c/linearAlgebra/projspec/dprojspeca.c b/src/c/linearAlgebra/projspec/dprojspeca.c
new file mode 100644
index 0000000..aea9713
--- /dev/null
+++ b/src/c/linearAlgebra/projspec/dprojspeca.c
@@ -0,0 +1,67 @@
+/* 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
+ */
+
+/* PROJSPEC function in scilab */
+
+/*
+	//[S,P,D,index]=projspec(A)
+    //Spectral characteristics of A at 0
+    //S = reduced resolvent at 0 (S=-Drazin_inverse(A))
+    //P = spectral projection at 0
+    //D = Nilpotent operator at 0
+    //index = index of the 0 eigenvalue
+    //!
+
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include "norm.h"
+#include "eye.h"
+
+#define eps pow(2,-52)
+
+double dprojspeca(double *inp1,int row,int col,double *out1,double *out2,double *out3){
+	double tol = pow(10,-6);
+	int i,j,index;
+	/*norm(A,1)*/
+	double nor;
+	nor = dnorma(inp1,row,col,1);
+	
+	/* P=eye(A),D=A,S=0*P;index=1; */
+	if(nor < eps*row*row){
+		memcpy(out2,inp1,row*col*sizeof(double));		
+		deyea(out2,row,col);
+		memcpy(out3,inp1,row*col*sizeof(double));
+		for(i=0;i<row;i++){
+			for(j=0;j<row;j++){
+				out1[i*row+j] = 0;				
+			}	
+		}
+		index = 1;
+	}
+	
+	/* rcond(A) */	
+	double *rcon;
+	rcon = rcond(inp1,row);
+	if(rcon > tol){
+		dinverma(inp1,out1,row);
+		for(i=0;i<row*col;i++){
+			out2[i]=0;
+			out3[i]=0;	
+		}
+		index = 0;
+		return index;	
+	}
+	index = 1;
+}
diff --git a/src/c/linearAlgebra/qr/dqra.c b/src/c/linearAlgebra/qr/dqra.c
new file mode 100644
index 0000000..bae4bc2
--- /dev/null
+++ b/src/c/linearAlgebra/qr/dqra.c
@@ -0,0 +1,298 @@
+/* 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 C code is used to generate function for QR decomposition */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include "qr.h"
+#include "lapack.h"
+#include "string.h"
+#include "matrixTranspose.h"
+
+/*For reference check Scilab source code & lapack library websites 
+Names of variable are almost same for convience.
+*/
+/*
+int min(int M,int N){
+	if(M > N) return N;
+	return M;	
+}
+
+int max(int M,int N){
+	if(M > N) return N;
+	return N;
+}*/
+
+/* External Function used of lapack library */
+extern double dgeqrf_(int *,int *,double *,int *,double *,double *,int *,int *);
+extern double dlacpy_(char *,int *,int *,double *,int *,double *,int *);
+extern double dgeqpf_(int *,int *,double *,int *,int *,double *,double *,int *);
+extern double dorgqr_(int *,int *,int *,double *,int *,double *,double *,int *,int *);
+extern void dlaset_(char *,int *,int *,double *,double *,double *,int *);
+
+/* function for finding qr */
+double dqra(int ninp,int nout,double *inp1,int M,int N,double tol,double *out1,double *out2,double *out3){
+	int i,j;
+	char choice;
+	double alpha=0.0,beta=0.0;
+	int minMN = min(M,N);
+
+	double *A;
+	A = (double *)malloc(M*N*sizeof(double));
+	memcpy(A,inp1,M*N*sizeof(double));	
+	
+	if(M <= 0 || N <= 0){
+		out1 = NULL;
+		out2 = NULL;
+		return 0;
+	}
+	/* doldqr */
+	if(nout == 4){ /* [Q,R,rk,E]=qr(X [,tol]) */
+		if(ninp == 1){
+			tol = -1;
+		}
+		
+		int INFO,rk;			
+		
+		int *JPVT;	
+		JPVT = ( int *)malloc(N*sizeof(int));
+		
+		double *TAU;
+		TAU = (double *)malloc(minMN*sizeof(double));
+		
+		int LWORK = 3*N;
+		
+		double *WORK;
+		WORK = (double *)malloc(LWORK*sizeof(double));
+		
+		for(i=1;i<=M;i++){
+			JPVT[i-1]=0.0;		
+		}
+		dgeqpf_(&M,&N,A,&M,JPVT,TAU,WORK,&INFO);
+			
+		choice = 'U';			
+		dlacpy_(&choice,&M,&N,A,&M,out2,&M);
+		
+		if(M > N){
+			for(j=1;j<=N;j++){
+				for(i=j+1;i<=M;i++){
+					out2[i-1+(j-1)*M] = 0.0;			
+				}			
+			}			
+		}
+		else{
+			for(j=1;j<=M-1;j++){
+				for(i=j+1;i<=M;i++){
+					out2[i-1+(j-1)*M] = 0.0;
+				}		
+			}			
+		}
+		
+		if(M > N){
+			choice = 'F';
+			dlacpy_(&choice,&M,&N,A,&M,out1,&M);
+			for(j=N+1;j<=M;j++){
+				for(i=1;i<=M;i++){
+					out1[i-1+(j-1)*M] = 0.0;
+				}						
+			}						
+		}
+		else{	
+			choice = 'F';
+			dlacpy_(&choice,&M,&M,A,&M,out1,&M);						
+		}
+		
+		dorgqr_(&M,&M,&minMN,out1,&M,TAU,WORK,&LWORK,&INFO);
+			
+		choice = 'F';
+		dlaset_(&choice,&N,&N,&alpha,&beta,out3,&N);
+		
+		for(j=1;j<=N;j++){
+			i = JPVT[j-1];
+			out3[i-1+(j-1)*N] = 1.0;				
+		}
+		
+		double tt = abs(out2[0]);
+		
+		if(tol == -1){
+			tol = (double)max(M,N)*pow(2,-52)*tt;	
+		}
+		double ch;	
+		//printf("%lf ",tol);
+		for(j=1;j<=minMN;j++){		
+			//printf("%e ",out2[(j-1)+(j-1)*M]);
+			if(out2[(j-1)+(j-1)*M] < 0){
+				ch = -out2[(j-1)+(j-1)*M];		
+			}
+			else{
+				ch = out2[(j-1)+(j-1)*M];		
+			}			
+			if(ch > tol){
+				rk = j;
+			}
+			else{
+				break;			
+			}				
+		}
+		//printf("\n");		
+		return rk;
+	}
+	else if(ninp == 1){
+		/*	(intdgeqpf3)
+			[Q,R]=qr(A)
+		    [Q,R,E]=qr(A)
+		*/
+		int LDA = M;
+	
+		double *TAU;
+		TAU = (double *)malloc(min(M,N)*sizeof(double));
+
+		int LWORK;
+		if(nout <= 2)
+			LWORK = N;
+		else
+			LWORK = 3*N;
+	
+		double *WORK;
+		WORK = (double *)malloc((LWORK+1)*sizeof(double));
+
+		int INFO;
+	
+		int *JPVT;
+		JPVT = (int *)malloc(N*sizeof(int));
+	
+		if(nout <= 2){
+			dgeqrf_(&M,&N,A,&M,TAU,WORK,&LWORK,&INFO);
+		}
+		else{
+			for(i=0;i<N;i++){
+				*(JPVT+i)=0.0;
+			}
+			dgeqpf_(&M,&N,A,&M,JPVT,TAU,WORK,&INFO);			
+		}
+		
+		/* Copying code from A to R */
+		choice = 'U';
+		dlacpy_(&choice,&M,&N,A,&M,out2,&M);
+		/*for(i=0;i<M;i++){
+			for(j=0;j<N-i;j++){
+				out2[i+j*M] = A[i+j*M];
+			}			
+		}*/
+	
+		if(M > N){
+			for(j=1;j<=N;j++){
+				for(i=j+1;i<=M;i++){
+					out2[i-1+(j-1)*M] = 0.0;
+				}	
+			}	
+		}
+		else{
+			for(j=1;j<=M-1;j++){
+				for(i=j+1;i<=M;i++){
+					out2[i-1+(j-1)*M] = 0.0;
+				}		
+			}	
+		}
+		/* lQ - out1 */
+		if(M > N){
+			choice = 'F';
+			dlacpy_(&choice,&M,&N,A,&M,out1,&M);
+			/*for(i=0;i<M*N;i++){
+				out1[i]=A[i];
+			}*/
+			for(j=N+1;j<=M;j++){
+				for(i=1;i<=M;i++){
+					out1[i+(j-1)*M] = 0.0;
+				}					
+			}			
+		}
+		else{
+			choice = 'F';
+			dlacpy_(&choice,&M,&M,A,&M,out1,&M);
+			/*for(i=0;i<M;i++){
+				for(j=0;j<M;j++){
+					out1		
+				}	
+			}*/	
+		}
+		dorgqr_(&M,&M,&minMN,out1,&M,TAU,WORK,&LWORK,&INFO);
+	
+		if(nout > 2){
+			choice = 'F';
+			dlaset_(&choice,&N,&N,&alpha,&beta,out3,&N);
+			for(j=1;j<=N;j++){
+				i = *(JPVT+j-1);
+				//printf("%d ",i-1+(j-1)*N);
+				*(out3+i-1+(j-1)*N) = 1.0;
+			}
+			//printf("\n");		
+		}
+	}
+	else{/* 
+		[[Q,R]=qr(A,'e')
+		[Q,R,E]=qr(A,'e') ]	*/
+		int *JPVT;
+		JPVT = (int *)malloc(N*sizeof(int));
+		
+		double *TAU;
+		TAU = (double *)malloc(min(M,N)*sizeof(double));
+		int LWORK;
+		if(nout <= 2){
+			LWORK = N;		
+		}
+		else{
+			LWORK = 3*N;		
+		}
+		
+		double *WORK;
+		WORK = (double *)malloc(LWORK*sizeof(double));
+				
+		int INFO;
+		if(nout <= 2)
+			dgeqrf_(&M,&N,A,&M,TAU,WORK,&LWORK,&INFO);
+		else{
+			for(i=1;i<=N;i++){
+				JPVT[i-1]=0.0;			
+			}
+			dgeqpf_(&M,&N,A,&M,JPVT,TAU,WORK,&INFO);				
+		}
+		choice = 'U';
+		
+		dlacpy_(&choice,&minMN,&N,A,&M,out2,&minMN);
+		
+		if(N >= 2){
+			for(j=1;j<=N-1;j++){
+				if(j+1 <= minMN){
+					for(i=j+1;i<=minMN;i++){
+						out2[i-1+(j-1)*minMN] = 0.0;
+					}				
+				}				
+			}				
+		}
+		choice = 'F';
+		dlacpy_(&choice,&M,&minMN,A,&M,out1,&M);
+		dorgqr_(&M,&minMN,&minMN,out1,&M,TAU,WORK,&LWORK,&INFO);
+	
+		if(nout > 2){
+			choice = 'F';			
+			dlaset_(&choice,&N,&N,&alpha,&beta,out3,&N);
+			for(j=1;j<=N;j++){
+				i = JPVT[j-1];
+				out3[i-1+(j-1)*N] = 1.0;			
+			}			
+		}
+	}
+	return 0;
+}
diff --git a/src/c/linearAlgebra/rowcomp/drowcompa.c b/src/c/linearAlgebra/rowcomp/drowcompa.c
new file mode 100644
index 0000000..3161a2d
--- /dev/null
+++ b/src/c/linearAlgebra/rowcomp/drowcompa.c
@@ -0,0 +1,79 @@
+/* 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 is used to find row compression, range */
+
+#include "rowcomp.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include "svd.h"
+#include "norm.h"
+#include "eye.h"
+#include "matrixTranspose.h"
+#include "qr.h"
+
+/* All variable names, are in consideration of scilab documentation. for reference please check the scilab code.*/
+
+double drowcompa(int ninp,double *A,int row,int col,char *flag,double tol,double *w){
+	double rk;
+	double *U;
+	double *S;
+	double *V;
+	double *q,*r,*e;	
+	if(row == 0 || col == 0){
+		w = NULL;		
+		return 0;	
+	}
+	
+	double nA1 = dnorma(A,row,col,1);
+	if(nA1 < sqrt(pow(2,-52))/10){
+		deyea(w,row,col);
+		return 0;	
+	}	
+	if(ninp == 1){
+		flag = "svd";
+		tol = sqrt(pow(2,-52))*nA1;	
+	}
+	else if(ninp == 2){
+		tol = sqrt(pow(2,-52))*nA1;	
+	}
+	else{
+		if(tol < 0){ /* if tolerance is negative */
+			printf(" Wrong values for input argument #: Non-negative scalar expected");		
+		}		
+	}
+	int M = row,N=col;
+	int minMN = min(M,N);
+	char check[3]="qr";
+	//printf(" %s ",flag);
+	if(strcmp(check,flag) == 0){
+		/* calling qr function*/
+		//printf(" * ");		
+		q = (double *)malloc(M*min(M,N)*sizeof(double));
+		r = (double *)malloc(minMN*N*sizeof(double));
+		e = (double *)malloc(N*N*sizeof(double));		
+		rk = dqra(2,4,A,M,N,tol,q,r,e);
+		memcpy(w,q,row*col*sizeof(double));		
+		dtransposea(q,row,row,w);	
+		return rk;					
+	}
+	else{
+		/* svd function type */
+		U = (double *)malloc(row*row*sizeof(double));
+		S = (double *)malloc(row*col*sizeof(double));
+		V = (double *)malloc(col*col*sizeof(double));
+		rk = dsvda(tol,A,row,col,0,4,U,S,V);
+		dtransposea(U,row,row,w);		
+		return rk;	
+	}
+}
diff --git a/src/c/linearAlgebra/sqroot/dsqroota.c b/src/c/linearAlgebra/sqroot/dsqroota.c
new file mode 100644
index 0000000..1ba9726
--- /dev/null
+++ b/src/c/linearAlgebra/sqroot/dsqroota.c
@@ -0,0 +1,130 @@
+/* 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
+ */
+
+/* Function - sqroot of scilab, W*W' hermitian factorization */
+
+#include <stdio.h> 
+#include "stdlib.h"
+#include "string.h"
+#include <math.h>
+#include "matrixTranspose.h"
+#include "svd.h"
+#include "matrixMultiplication.h"
+
+#define eps 2.22044604925e-16
+
+/*It would be good, if you are doing conversoins for only valid inputs before
+ running the program, check all the conditions before hand.
+*/
+
+void dsqroota(double *inp,int row,int col, double *out){	
+	if(row != col){
+		printf("Enter valid inputs only - matrix should be symetric\n");
+		return;
+	}
+	int i,j;
+	double *U,*S,*V;
+	double *A,*B;
+	int rk;
+	
+	U = (double *)malloc((double)row*row*sizeof(double));
+	S = (double *)malloc((double)Min(row,col)*Min(row,col)*sizeof(double));		
+	V = (double *)malloc((double)col*col*sizeof(double));
+	A = (double *)malloc(rk*rk*sizeof(double));
+	B = (double *)malloc(rk*row*sizeof(double));
+	
+	double *Q1;	
+	Q1 = (double *)malloc(row*col*sizeof(double));	
+	
+	dtransposea(inp,row,col,Q1);
+	
+	double *Q2;
+	Q2 = (double *)malloc(col*row*sizeof(double));
+
+	/* Q2 = (inp+inp1')/2; */
+	for(i=0;i<row;i++){
+		for(j=0;j<row;j++){
+			Q2[i+j*row] = ((inp[i+j*row]+Q1[i+j*row])/2);	
+		}	
+	}
+	
+	/*  norm(Q2-Q1,1) - finding the max value from sum of columns */ 
+	double sum = 0;
+	double maxi=0;
+	for(i=0;i<row;i++){
+		sum = 0;			
+		for(j=0;j<col;j++) sum+=(Q2[i*row+j]-inp[i*row+j]);	
+		if(maxi < sum){
+			maxi = sum;	
+		}
+	}		
+	
+	/* if norm(Q1-Q,1) > 100*%eps then */
+	if(maxi > 100*eps){
+		printf("Warning: Wrong size for input argument and Symmetric expected\n");	
+	}
+	maxi = 0;
+	for(i=0;i<col;i++){
+		sum=0;
+		for(j=0;j<row;j++) sum+=Q1[i*row+j];
+		if(maxi < sum){
+			maxi = sum;		
+		}
+	}
+
+	/*if norm(Q,1) < sqrt(%eps) then S=[];return;end*/
+
+	if(maxi < sqrt(eps)){
+		out = NULL;	
+	}
+	else{		
+		rk = dsvda(0,inp,row,col,0,4,U,S,V);
+		
+		/*Will be used in complex numbers*/		
+		//C = (double *)malloc(rk*row*sizeof(double));
+		
+		/*for(i=0;i<row;i++){
+			for(j=0;j<row;j++){
+				printf("%lf ",S[i*row+j]);			
+			}	
+			printf("\n");	
+		}*/
+		/*sqrt of S*/
+		//printf("%d ",rk);
+		for(i=0;i<rk;i++){
+			for(j=0;j<rk;j++){
+				A[i*rk+j] = sqrt(S[i*row+j]);
+				//printf("%lf ",A[i*rk+j]);
+			}
+		}
+		for(i=0;i<col*rk;i++){
+			B[i] = V[i];
+			//printf("%lf ",B[i]);	
+		}
+		//printf("\n");
+		/*for(i=0;i<rk;i++){
+			for(j=0;j<rk;j++){
+				//A[i*rk+j] = sqrt(S[i*row+j]);
+				printf("%lf ",A[i*rk+j]);
+			}
+			printf("\n");
+		}*/
+		/*for(i=0;i<col;i++){
+			for(j=0;j<rk;j++){
+				//B[i*col+j] = VT[i*col+j];	
+				printf("%lf ",B[i*col+j]);	
+			}	
+			printf("\n");
+		}*/
+		dmulma(B,col,rk,A,rk,rk,out);
+	}
+}
diff --git a/src/c/linearAlgebra/sva/dsvaa.c b/src/c/linearAlgebra/sva/dsvaa.c
index b7d07d8..691694e 100644
--- a/src/c/linearAlgebra/sva/dsvaa.c
+++ b/src/c/linearAlgebra/sva/dsvaa.c
@@ -20,6 +20,7 @@
 
 #define eps 2.22044604925e-16
 
+/* Ref: Scilab source code */
 void dsvaa(int ninp,double *in1,int row,int col,double in2,double *out1, \
 	double *out2,double *out3){
 
@@ -33,14 +34,14 @@ void dsvaa(int ninp,double *in1,int row,int col,double in2,double *out1, \
 
 	/* 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));
+	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(0,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;
+		tol = Max(row,col)*S[0]*eps;
 		rk = 0;		
 		for(i=0;i<col;i++){
 			if(S[i+i*row] > tol){
@@ -52,7 +53,7 @@ void dsvaa(int ninp,double *in1,int row,int col,double in2,double *out1, \
 		tol = in2;
 		if(tol > 1){
 			rk = tol;
-			if(rk > min(row,col)){
+			if(rk > Min(row,col)){
 				printf("ERROR:  Wrong value for input argument !");	
 				out1 = NULL;
 				out2 = NULL;
@@ -70,21 +71,21 @@ void dsvaa(int ninp,double *in1,int row,int col,double in2,double *out1, \
 		}	
 	}
 	arow = M;
-	acol = min(M,N);	
+	acol = Min(M,N);	/* Copying, the output in required format */
 	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++){
+	arow = Min(M,N);
+	for(i=0;i<rk;i++){	/* Copying, the output in required format */
 		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++){
+	acol = Min(M,N);
+	for(i=0;i<arow;i++){	/* Copying, the output in required format */
 		for(j=0;j<rk;j++){
 			out3[i+j*arow] = V[i+j*arow];		
 		}
diff --git a/src/c/linearAlgebra/svd/.1.c.swp b/src/c/linearAlgebra/svd/.1.c.swp
new file mode 100644
index 0000000..81d9e9c
--- /dev/null
+++ b/src/c/linearAlgebra/svd/.1.c.swp
diff --git a/src/c/linearAlgebra/svd/zsvda.c b/src/c/linearAlgebra/svd/zsvda.c
index 0d36022..c75cc50 100644
--- a/src/c/linearAlgebra/svd/zsvda.c
+++ b/src/c/linearAlgebra/svd/zsvda.c
@@ -19,6 +19,7 @@
 #include "matrixTranspose.h"
 #include "conj.h"
 
+/* Lapack functions used . */
 extern doubleComplex zgesvd_( char* , char* , int* , int* ,doubleComplex *,\
                 int* , double* ,doubleComplex* , int* ,doubleComplex* , int* ,\
                  doubleComplex* , int* , double* , int* );
@@ -113,7 +114,16 @@ void zsvda(doubleComplex *in1,int row,int col,int in2,int nout, doubleComplex *o
 						out3[i+j*N] = zconjs(VT[j+i*N]);
 						out3[j+i*N] = zconjs(VT[i+j*N]);				
 					}
-				}			
+				}	
+				/* output from zgesvd is copied to out2 variables in required format*/
+				for(j=0;j<M;j++){
+					for(k=0;k<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);					
+					}
+				}		
 				//ztransposea(VT,LDVT,Min(M,N),out3);
 				/*for(i=0;i<N;i++){
 					for(j=0;j<N;j++){
@@ -124,7 +134,7 @@ void zsvda(doubleComplex *in1,int row,int col,int in2,int nout, doubleComplex *o
 				//free(U);
 				//free(VT);
 			}
-			else{
+			else{	/*svd(x,'e')*/
 				LDA = M;
 				LDU = M;
 				if(M > N){
@@ -156,18 +166,18 @@ void zsvda(doubleComplex *in1,int row,int col,int in2,int nout, doubleComplex *o
 					for(j=0;j<N;j++){
 						out3[j+i*N] = zconjs(VT[i+j*Min(M,N)]);				
 					}
-				}								
+				}
+				/* 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);					
+					}
+				}						
 				//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/src/c/matrixOperations/includes/norm.h b/src/c/matrixOperations/includes/norm.h
index dc9d351..4fe3872 100644
--- a/src/c/matrixOperations/includes/norm.h
+++ b/src/c/matrixOperations/includes/norm.h
@@ -5,7 +5,7 @@
  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: Siddhesh Wani
+ Author: Sandeep Gupta
  Organization: FOSSEE, IIT Bombay
  Email: toolbox@scilab.in
  */
diff --git a/src/c/matrixOperations/includes/spec.h b/src/c/matrixOperations/includes/spec.h
deleted file mode 100644
index b7b7d35..0000000
--- a/src/c/matrixOperations/includes/spec.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- *  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);
-
-#ifdef  __cplusplus
-} /* extern "C" */
-#endif
-
-#endif /* __SPEC_H__ */
diff --git a/src/c/matrixOperations/includes/toeplitz.h b/src/c/matrixOperations/includes/toeplitz.h
new file mode 100644
index 0000000..7384b43
--- /dev/null
+++ b/src/c/matrixOperations/includes/toeplitz.h
@@ -0,0 +1,37 @@
+ /* 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: Brijesh Gupta C R
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __TOEPLITZ_H__
+#define __TOEPLITZ_H__
+#include "types.h"
+#include "doubleComplex.h"
+#include "floatComplex.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+void dtoeplitza(double* inp1,int size1,double* inp2,int size2,double* oup);
+void u8toeplitza(uint8* inp1,int size1,uint8* inp2,int size2,uint8* oup);
+void u16toeplitza(uint16* inp1,int size1,uint16* inp2,int size2,uint16* oup);
+void ztoeplitza(doubleComplex* inp1,int size1,doubleComplex* inp2,int size2,doubleComplex* oup);
+void gtoeplitza(char* inp1,int size1,char* inp2,int size2,char* oup);
+void stoeplitza(float* inp1,int size1,float* inp2,int size2,float* oup);
+void ctoeplitza(floatComplex* inp1,int size1,floatComplex* inp2,int size2,floatComplex* oup);
+void i8toeplitza(int8* inp1,int size1,int8* inp2,int size2,int8* oup);
+void i16toeplitza(int16* inp1,int size1,int16* inp2,int size2,int16* oup);
+
+#ifdef  __cplusplus 
+} /* extern "C" */
+#endif
+
+#endif /*__TOEPLITZ_H__*/
diff --git a/src/c/matrixOperations/interfaces/int_spec.h b/src/c/matrixOperations/interfaces/int_spec.h
deleted file mode 100644
index 77ab55e..0000000
--- a/src/c/matrixOperations/interfaces/int_spec.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * 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
- *
- */
-
-/* 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=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=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=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=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)
-
-#endif /* !__INT_SPEC_H__ */
diff --git a/src/c/matrixOperations/interfaces/int_toeplitz.h b/src/c/matrixOperations/interfaces/int_toeplitz.h
new file mode 100644
index 0000000..b602e9a
--- /dev/null
+++ b/src/c/matrixOperations/interfaces/int_toeplitz.h
@@ -0,0 +1,50 @@
+ /* 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: Brijesh Gupta C R
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+#ifndef __INT_TOEPLITZ_H__
+#define __INT_TOEPLITZ_H__
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define d2d2toeplitzd2(in1,size1,in2,size2,out) dtoeplitza(in1,size1[1],in2,size2[1],out)
+#define d2toeplitzd2(in1,size1,out) dtoeplitza(in1,size1[1],in1,size1[1],out)
+
+#define u82u82toeplitzu82(in1,size1,in2,size2,out) u8toeplitza(in1,size1[1],in2,size2[1],out)
+#define u82toeplitzu82(in1,size1,out) u8toeplitza(in1,size1[1],in1,size1[1],out)
+
+#define u162u162toeplitzu162(in1,size1,in2,size2,out) u16toeplitza(in1,size1[1],in2,size2[1],out)
+#define u162toeplitzu162(in1,size1,out) u16toeplitza(in1,size1[1],in1,size1[1],out)
+
+#define g2g2toeplitzg2(in1,size1,in2,size2,out) gtoeplitza(in1,size1[1],in2,size2[1],out)
+#define g2toeplitzg2(in1,size1,out) gtoeplitza(in1,size1[1],in1,size1[1],out)
+
+#define z2z2toeplitzz2(in1,size1,in2,size2,out) ztoeplitza(in1,size1[1],in2,size2[1],out)
+#define z2toeplitzz2(in1,size1,out) ztoeplitza(in1,size1[1],in1,size1[1],out)
+
+#define s2s2toeplitzs2(in1,size1,in2,size2,out) stoeplitza(in1,size1[1],in2,size2[1],out)
+#define s2toeplitzs2(in1,size1,out) stoeplitza(in1,size1[1],in1,size1[1],out)
+
+#define c2c2toeplitzc2(in1,size1,in2,size2,out) ctoeplitza(in1,size1[1],in2,size2[1],out)
+#define c2toeplitzc2(in1,size1,out) ctoeplitza(in1,size1[1],in1,size1[1],out)
+
+#define i82i82toeplitzi82(in1,size1,in2,size2,out) i8toeplitza(in1,size1[1],in2,size2[1],out)
+#define i82toeplitzi82(in1,size1,out) i8toeplitza(in1,size1[1],in1,size1[1],out)
+
+#define i162i162toeplitzi162(in1,size1,in2,size2,out) i16toeplitza(in1,size1[1],in2,size2[1],out)
+#define i162toeplitzi162(in1,size1,out) i16toeplitza(in1,size1[1],in1,size1[1],out)
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*__INT_TOEPLITZ_H__*/
diff --git a/src/c/matrixOperations/norm/dnorma.c b/src/c/matrixOperations/norm/dnorma.c
index c912f85..2bb9b8b 100644
--- a/src/c/matrixOperations/norm/dnorma.c
+++ b/src/c/matrixOperations/norm/dnorma.c
@@ -6,6 +6,8 @@
  are also available at
  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
  Author: Siddhesh Wani
+
+ Edited by: Sandeep Gupta
  Organization: FOSSEE, IIT Bombay
  Email: toolbox@scilab.in
  */
@@ -14,13 +16,17 @@
  /*Acceptable norms are: 1, 2, 'inf', 'fro', */
 
 #include "norm.h"
+#include "svd.h"
 #include <math.h>
+#include <stdio.h>
+#include<stdlib.h>
 
 double dnorma (double *in, int row, int col, int norm)
 {
 	double res = 0, sum = 0;
 	int col_count, row_count;
-
+	double *S;
+	S = (double *)malloc(min(row,col)*sizeof(double));
 	switch (norm)
 	{
 		case 1:  /*largest column sum*/
@@ -37,6 +43,8 @@ double dnorma (double *in, int row, int col, int norm)
 			break;
 
 		case 2:  /*Largest singular value of the matrix*/
+			dsvda(0,in,row,col,0,1,S,NULL,NULL);			
+			res = S[0];
 			break;
 
 		case 3: /*inf: largest row sum*/
@@ -69,4 +77,4 @@ double dnorma (double *in, int row, int col, int norm)
 
 
 	return res;
-}
\ No newline at end of file
+}
diff --git a/src/c/matrixOperations/spec/Makefile.am b/src/c/matrixOperations/spec/Makefile.am
deleted file mode 100644
index 90dbd0a..0000000
--- a/src/c/matrixOperations/spec/Makefile.am
+++ /dev/null
@@ -1,70 +0,0 @@
-##
-##  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
-##
-##
-
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diff --git a/src/c/matrixOperations/spec/Makefile.in b/src/c/matrixOperations/spec/Makefile.in
deleted file mode 100644
index 9c34c9e..0000000
--- a/src/c/matrixOperations/spec/Makefile.in
+++ /dev/null
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-	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/src/c/matrixOperations/spec/cspeca.c b/src/c/matrixOperations/spec/cspeca.c
deleted file mode 100644
index a2b6548..0000000
--- a/src/c/matrixOperations/spec/cspeca.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- *  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/src/c/matrixOperations/spec/dspeca.c b/src/c/matrixOperations/spec/dspeca.c
deleted file mode 100644
index 1131ecf..0000000
--- a/src/c/matrixOperations/spec/dspeca.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- *  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/src/c/matrixOperations/spec/sspeca.c b/src/c/matrixOperations/spec/sspeca.c
deleted file mode 100644
index 50751a2..0000000
--- a/src/c/matrixOperations/spec/sspeca.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- *  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/src/c/matrixOperations/spec/testDoubleSpec.c b/src/c/matrixOperations/spec/testDoubleSpec.c
deleted file mode 100644
index 25c8806..0000000
--- a/src/c/matrixOperations/spec/testDoubleSpec.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- *  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/src/c/matrixOperations/spec/testFloatSpec.c b/src/c/matrixOperations/spec/testFloatSpec.c
deleted file mode 100644
index 9bd46ad..0000000
--- a/src/c/matrixOperations/spec/testFloatSpec.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- *  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;
-}
diff --git a/src/c/matrixOperations/spec/test_DoubleSpec/testDoubleSpec.vcxproj b/src/c/matrixOperations/spec/test_DoubleSpec/testDoubleSpec.vcxproj
deleted file mode 100644
index f696bff..0000000
--- a/src/c/matrixOperations/spec/test_DoubleSpec/testDoubleSpec.vcxproj
+++ /dev/null
@@ -1,178 +0,0 @@
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-  <ItemGroup Label="ProjectConfigurations">

-    <ProjectConfiguration Include="Debug|Win32">

-      <Configuration>Debug</Configuration>

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-    </ProjectConfiguration>

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-      <Configuration>Debug</Configuration>

-      <Platform>x64</Platform>

-    </ProjectConfiguration>

-    <ProjectConfiguration Include="Release|Win32">

-      <Configuration>Release</Configuration>

-      <Platform>Win32</Platform>

-    </ProjectConfiguration>

-    <ProjectConfiguration Include="Release|x64">

-      <Configuration>Release</Configuration>

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-  </ItemGroup>

-  <PropertyGroup Label="Globals">

-    <ProjectGuid>{651B0E61-1047-4575-BE31-D9CB28062CBA}</ProjectGuid>

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index dcdaea5..0000000
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deleted file mode 100644
index 0631bb4..0000000
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deleted file mode 100644
index 2ba2e59..0000000
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diff --git a/src/c/matrixOperations/spec/zspeca.c b/src/c/matrixOperations/spec/zspeca.c
deleted file mode 100644
index a2b1c25..0000000
--- a/src/c/matrixOperations/spec/zspeca.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- *  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/src/c/matrixOperations/spec2/Makefile.am b/src/c/matrixOperations/spec2/Makefile.am
deleted file mode 100644
index 5a357fa..0000000
--- a/src/c/matrixOperations/spec2/Makefile.am
+++ /dev/null
@@ -1,70 +0,0 @@
-##
-##  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/src/c/matrixOperations/spec2/Makefile.in b/src/c/matrixOperations/spec2/Makefile.in
deleted file mode 100644
index 6e46c05..0000000
--- a/src/c/matrixOperations/spec2/Makefile.in
+++ /dev/null
@@ -1,757 +0,0 @@
-# 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 = :
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diff --git a/src/c/matrixOperations/spec2/cspec2a.c b/src/c/matrixOperations/spec2/cspec2a.c
deleted file mode 100644
index d3a4312..0000000
--- a/src/c/matrixOperations/spec2/cspec2a.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- *  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/src/c/matrixOperations/spec2/dspec2a.c b/src/c/matrixOperations/spec2/dspec2a.c
deleted file mode 100644
index 98b2c5a..0000000
--- a/src/c/matrixOperations/spec2/dspec2a.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- *  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/src/c/matrixOperations/spec2/sspec2a.c b/src/c/matrixOperations/spec2/sspec2a.c
deleted file mode 100644
index d3ab00d..0000000
--- a/src/c/matrixOperations/spec2/sspec2a.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- *  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/src/c/matrixOperations/spec2/testDoubleSpec2.c b/src/c/matrixOperations/spec2/testDoubleSpec2.c
deleted file mode 100644
index a090f02..0000000
--- a/src/c/matrixOperations/spec2/testDoubleSpec2.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/*
- *  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/src/c/matrixOperations/spec2/testFloatSpec2.c b/src/c/matrixOperations/spec2/testFloatSpec2.c
deleted file mode 100644
index fb2bc25..0000000
--- a/src/c/matrixOperations/spec2/testFloatSpec2.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- *  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;
-}
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diff --git a/src/c/matrixOperations/spec2/zspec2a.c b/src/c/matrixOperations/spec2/zspec2a.c
deleted file mode 100644
index e33ed89..0000000
--- a/src/c/matrixOperations/spec2/zspec2a.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- *  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/src/c/matrixOperations/toeplitz/ctoeplitza.c b/src/c/matrixOperations/toeplitz/ctoeplitza.c
new file mode 100644
index 0000000..048a367
--- /dev/null
+++ b/src/c/matrixOperations/toeplitz/ctoeplitza.c
@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include "toeplitz.h"
+#include "floatComplex.h"
+#include "stdlib.h"
+#include "string.h"
+#include "cat.h"
+
+/*Function to build a Toeplitz Matrix for inputs of SingleComplex datatype*/
+
+void ctoeplitza(floatComplex* inp1,int size1,floatComplex* inp2,int size2,floatComplex* oup)
+{
+    if (inp1[0]!=inp2[0])
+    {
+        printf("Error!The first elements of the Vectors are not equal."); // First element of both input vectors must be equal for Toeplitz.
+        return;
+    }
+    int i, j;
+
+    for(i=0;i<size1*size2;i++) oup[i] = 0;       // Initializing the output matrix with zeros.
+
+    for (i = 0; i<size1; i++)
+    {
+        for (j = 0; j<size2; j++)
+        {
+            oup[j*size1] = inp2[j];              // Elements of the second input vector are copied to the first row of the Toeplitx Matrix.
+        }
+        oup[i] = inp1[i];                        // Elements of the first input vector are copied to the first column of the Toeplitx Matrix.
+    }
+    for (i = size2+1; i<size1*size2; i++)        // Loop to build the rest of the Toeplitz matrix.
+    {
+        if (oup[i] == 0)
+        oup[i] = oup[i-size2-1];
+    }		
+}
+
+
diff --git a/src/c/matrixOperations/toeplitz/dtoeplitza.c b/src/c/matrixOperations/toeplitz/dtoeplitza.c
new file mode 100644
index 0000000..ef075a9
--- /dev/null
+++ b/src/c/matrixOperations/toeplitz/dtoeplitza.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include "toeplitz.h"
+
+
+/*Function to build a Toeplitz Matrix for inputs of Double datatype*/
+
+
+void dtoeplitza(double* inp1,int size1,double* inp2,int size2,double* oup)
+{
+    if (inp1[0]!=inp2[0])                                                       
+    {
+        printf("Error!The first elements of the Vectors are not equal.");    // First element of both input vectors must be equal for Toeplitz.
+        return;
+    }
+    int i, j;
+
+    for(i=0;i<size1*size2;i++) oup[i] = 0;	// Initializing the output matrix with zeros.
+
+    for (i = 0; i<size1; i++)
+    {
+        for (j = 0; j<size2; j++)
+        {
+            oup[j*size1] = inp2[j];		// Elements of the second input vector are copied to the first row of the Toeplitx Matrix.
+        }
+        oup[i] = inp1[i];			// Elements of the first input vector are copied to the first column of the Toeplitx Matrix.
+    }
+    for (i = size2+1; i<size1*size2; i++)	// Loop to build the rest of the Toeplitz matrix.
+    {
+        if (oup[i] == 0)
+        oup[i] = oup[i-size2-1];
+    }		
+}
+
diff --git a/src/c/matrixOperations/toeplitz/gtoeplitza.c b/src/c/matrixOperations/toeplitz/gtoeplitza.c
new file mode 100644
index 0000000..c852f92
--- /dev/null
+++ b/src/c/matrixOperations/toeplitz/gtoeplitza.c
@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include "toeplitz.h"
+
+
+/*Function to build a Toeplitz Matrix for inputs of Character datatype*/
+
+
+void gtoeplitza(char* inp1,int size1,char* inp2,int size2,char* oup)
+{
+    if (inp1[0]!=inp2[0])
+    {
+        printf("Error!The first elements of the Vectors are not equal.");	// First element of both input vectors must be equal for Toeplitz.
+        return;
+    }
+    int i, j;
+
+    for(i=0;i<size1*size2;i++) oup[i] = 0;	// Initializing the output matrix with zeros.
+
+    for (i = 0; i<size1; i++)
+    {
+        for (j = 0; j<size2; j++)
+        {
+            oup[j*size1] = inp2[j];		// Elements of the second input vector are copied to the first row of the Toeplitx Matrix.
+        }
+        oup[i] = inp1[i];			// Elements of the first input vector are copied to the first column of the Toeplitx Matrix.
+    }
+    for (i = size2+1; i<size1*size2; i++)	// Loop to build the rest of the Toeplitz matrix.
+    {
+        if (oup[i] == 0)
+        oup[i] = oup[i-size2-1];
+    }
+		
+}
+
+
diff --git a/src/c/matrixOperations/toeplitz/i16toeplitza.c b/src/c/matrixOperations/toeplitz/i16toeplitza.c
new file mode 100644
index 0000000..945f626
--- /dev/null
+++ b/src/c/matrixOperations/toeplitz/i16toeplitza.c
@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include "toeplitz.h"
+#include "int16.h"
+
+/*Function to build a Toeplitz Matrix for inputs of Signed Int16 datatype*/
+
+
+void i16toeplitza(int16* inp1,int size1,int16* inp2,int size2,int16* oup)
+{
+    if (inp1[0]!=inp2[0])
+    {
+        printf("Error!The first elements of the Vectors are not equal.");	// First element of both input vectors must be equal for Toeplitz.
+        return;
+    }
+    int i, j;
+
+    for(i=0;i<size1*size2;i++) oup[i] = 0;	// Initializing the output matrix with zeros.
+
+    for (i = 0; i<size1; i++)
+    {
+        for (j = 0; j<size2; j++)
+        {
+            oup[j*size1] = inp2[j];		// Elements of the second input vector are copied to the first row of the Toeplitx Matrix.
+        }
+        oup[i] = inp1[i];			// Elements of the first input vector are copied to the first column of the Toeplitx Matrix.
+    }
+    for (i = size2+1; i<size1*size2; i++)	// Loop to build the rest of the Toeplitz matrix.
+    {
+        if (oup[i] == 0)
+        oup[i] = oup[i-size2-1];
+    }	
+}
diff --git a/src/c/matrixOperations/toeplitz/i8toeplitza.c b/src/c/matrixOperations/toeplitz/i8toeplitza.c
new file mode 100644
index 0000000..5075cc1
--- /dev/null
+++ b/src/c/matrixOperations/toeplitz/i8toeplitza.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include "toeplitz.h"
+#include "int8.h"
+
+
+/*Function to build a Toeplitz Matrix for inputs of Signed Int8 datatype*/
+
+
+void i8toeplitza(int8* inp1,int size1,int8* inp2,int size2,int8* oup)
+{
+    if (inp1[0]!=inp2[0])
+    {
+        printf("Error!The first elements of the Vectors are not equal.");	// First element of both input vectors must be equal for Toeplitz.
+        return;
+    }
+    int i, j;
+
+    for(i=0;i<size1*size2;i++) oup[i] = 0;	// Initializing the output matrix with zeros.
+
+    for (i = 0; i<size1; i++)
+    {
+        for (j = 0; j<size2; j++)
+        {
+            oup[j*size1] = inp2[j];		// Elements of the second input vector are copied to the first row of the Toeplitx Matrix.
+        }
+        oup[i] = inp1[i];			// Elements of the first input vector are copied to the first column of the Toeplitx Matrix.
+    }
+    for (i = size2+1; i<size1*size2; i++)	// Loop to build the rest of the Toeplitz matrix.
+    {
+        if (oup[i] == 0)
+        oup[i] = oup[i-size2-1];
+    }	
+}
diff --git a/src/c/matrixOperations/toeplitz/stoeplitza.c b/src/c/matrixOperations/toeplitz/stoeplitza.c
new file mode 100644
index 0000000..11d91ce
--- /dev/null
+++ b/src/c/matrixOperations/toeplitz/stoeplitza.c
@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include "toeplitz.h"
+
+
+/*Function to build a Toeplitz Matrix for inputs of Float datatype*/
+
+
+void stoeplitza(float* inp1,int size1,float* inp2,int size2,float* oup)
+{
+    if (inp1[0]!=inp2[0])
+    {
+        printf("Error!The first elements of the Vectors are not equal.");	// First element of both input vectors must be equal for Toeplitz.
+        return;
+    }
+    int i, j;
+
+    for(i=0;i<size1*size2;i++) oup[i] = 0;	// Initializing the output matrix with zeros.
+
+    for (i = 0; i<size1; i++)
+    {
+        for (j = 0; j<size2; j++)
+        {
+            oup[j*size1] = inp2[j];		// Elements of the second input vector are copied to the first row of the Toeplitx Matrix.
+        }
+        oup[i] = inp1[i];			// Elements of the first input vector are copied to the first column of the Toeplitx Matrix.
+    }
+    for (i = size2+1; i<size1*size2; i++)	// Loop to build the rest of the Toeplitz matrix.
+    {
+        if (oup[i] == 0)
+        oup[i] = oup[i-size2-1];
+    }	
+}
diff --git a/src/c/matrixOperations/toeplitz/u16toeplitza.c b/src/c/matrixOperations/toeplitz/u16toeplitza.c
new file mode 100644
index 0000000..8dab545
--- /dev/null
+++ b/src/c/matrixOperations/toeplitz/u16toeplitza.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include "toeplitz.h"
+#include "uint16.h"
+
+
+/*Function to build a Toeplitz Matrix for inputs of Unsigned Int16 datatype*/
+
+
+void u16toeplitza(uint16* inp1,int size1,uint16* inp2,int size2,uint16* oup)
+{
+    if (inp1[0]!=inp2[0])
+    {
+        printf("Error!The first elements of the Vectors are not equal.");	// First element of both input vectors must be equal for Toeplitz.
+        return;
+    }
+    int i, j;
+
+    for(i=0;i<size1*size2;i++) oup[i] = 0;	// Initializing the output matrix with zeros.
+
+    for (i = 0; i<size1; i++)
+    {
+        for (j = 0; j<size2; j++)
+        {
+            oup[j*size1] = inp2[j];		// Elements of the second input vector are copied to the first row of the Toeplitx Matrix.
+        }
+        oup[i] = inp1[i];			// Elements of the first input vector are copied to the first column of the Toeplitx Matrix.
+    }
+    for (i = size2+1; i<size1*size2; i++)	// Loop to build the rest of the Toeplitz matrix.
+    {
+        if (oup[i] == 0)
+        oup[i] = oup[i-size2-1];
+    }
+}
diff --git a/src/c/matrixOperations/toeplitz/u8toeplitza.c b/src/c/matrixOperations/toeplitz/u8toeplitza.c
new file mode 100644
index 0000000..8301fc1
--- /dev/null
+++ b/src/c/matrixOperations/toeplitz/u8toeplitza.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include "toeplitz.h"
+#include "uint8.h"
+
+
+/*Function to build a Toeplitz Matrix for inputs of Unsigned Int8 datatype*/
+
+
+void u8toeplitza(uint8* inp1,int size1,uint8* inp2,int size2,uint8* oup)
+{
+    if (inp1[0]!=inp2[0])
+    {
+        printf("Error!The first elements of the Vectors are not equal.");	// First element of both input vectors must be equal for Toeplitz.
+        return;
+    }
+    int i, j;
+
+    for(i=0;i<size1*size2;i++) oup[i] = 0;	// Initializing the output matrix with zeros.
+
+    for (i = 0; i<size1; i++)
+    {
+        for (j = 0; j<size2; j++)
+        {
+            oup[j*size1] = inp2[j];		// Elements of the second input vector are copied to the first row of the Toeplitx Matrix.
+        }
+        oup[i] = inp1[i];			// Elements of the first input vector are copied to the first column of the Toeplitx Matrix.
+    }
+    for (i = size2+1; i<size1*size2; i++)	// Loop to build the rest of the Toeplitz matrix.
+    {
+        if (oup[i] == 0)
+        oup[i] = oup[i-size2-1];
+    }	
+}
diff --git a/src/c/matrixOperations/toeplitz/ztoeplitza.c b/src/c/matrixOperations/toeplitz/ztoeplitza.c
new file mode 100644
index 0000000..d47c5e1
--- /dev/null
+++ b/src/c/matrixOperations/toeplitz/ztoeplitza.c
@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include "toeplitz.h"
+#include "doubleComplex.h"
+#include "stdlib.h"
+#include "string.h"
+#include "cat.h"
+
+
+/*Function to build a Toeplitz Matrix for inputs of DoubleComplex datatype*/
+
+
+void ztoeplitza(doubleComplex* inp1,int size1,doubleComplex* inp2,int size2,doubleComplex* oup)
+{
+    if (inp1[0]!=inp2[0])
+    {
+        printf("Error!The first elements of the Vectors are not equal.");	// First element of both input vectors must be equal for Toeplitz.
+        return;
+    }
+    int i, j;
+
+    for(i=0;i<size1*size2;i++) oup[i] = DoubleComplex(0,0);	// Initializing the output matrix with zeros.
+
+    for (i = 0; i<size1; i++)
+    {
+        for (j = 0; j<size2; j++)
+        {
+            oup[j*size1] = inp2[j];		// Elements of the second input vector are copied to the first row of the Toeplitx Matrix.
+        }
+        oup[i] = inp1[i];			// Elements of the first input vector are copied to the first column of the Toeplitx Matrix.
+    }
+    for (i = size2+1; i<size1*size2; i++)	// Loop to build the rest of the Toeplitz matrix.
+    {
+        if (oup[i] == DoubleComplex(0,0))
+        oup[i] = oup[i-size2-1];
+    }	
+}
diff --git a/src/c/signalProcessing/%k/dmodka.c b/src/c/signalProcessing/%k/dmodka.c
index c0630ec..8368cb6 100644
--- a/src/c/signalProcessing/%k/dmodka.c
+++ b/src/c/signalProcessing/%k/dmodka.c
@@ -1,3 +1,14 @@
+/* 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 "modk.h"
@@ -10,7 +21,6 @@ double max_calc(double* ptr,int sz)
 	    ptr[0]=-1*ptr[0];
 	}
 	mx=(ptr[0]);
-	//printf("%lf\n",mx);
 	for(i=1;i<sz;i++)
 	{
 	if(ptr[i]<0)
@@ -47,10 +57,7 @@ void dmodka(double* inp,int size,double* oup)
 	c[l]=sqrt(inp[l]);
 	
 	}
-	int x=0;
-	//double maxi;
-	//maxi=max_calc(c,size);
-	//printf("%lf",maxi);
+	int x=0;	
 	
 	while(max_calc(c,size)>eps)
 	{
@@ -88,10 +95,4 @@ void dmodka(double* inp,int size,double* oup)
 	}
 	
 }
-/*
-int main()
-{
-	double m[3]={0.1,0.2,0.3};
-	dka(m,3);
-}
-*/
+
diff --git a/src/c/signalProcessing/%sn/dmodsns.c b/src/c/signalProcessing/%sn/dmodsns.c
index 06d0a6f..aae16c1 100644
--- a/src/c/signalProcessing/%sn/dmodsns.c
+++ b/src/c/signalProcessing/%sn/dmodsns.c
@@ -82,12 +82,4 @@ double dmodsns(double uu, double emmc)
 	}
 	return sn;
 }
-/*
-int main()
-{
-	double u,k;
-	u=4;
-	k=0.7;
-	sn(u,k);
-}
-*/
+
diff --git a/src/c/signalProcessing/ell1mag/dell1maga.c b/src/c/signalProcessing/ell1mag/dell1maga.c
index 4cc80ef..58ef303 100644
--- a/src/c/signalProcessing/ell1mag/dell1maga.c
+++ b/src/c/signalProcessing/ell1mag/dell1maga.c
@@ -19,11 +19,9 @@ void dell1maga(double eps,double m1,double* z,int size,double* oup )
 {
 	double s[size];
 	int i;
-	doubleComplex tp;
 	for(i=0;i<size;i++)
 	{
-	tp=DoubleComplex(z[i],0);
-	s[i]=zmodsns(tp,m1);
+	s[i]=dmodsns(z[i],m1);
 	}
 	double un[size];
 	int j;
diff --git a/src/c/signalProcessing/ell1mag/zell1maga.c b/src/c/signalProcessing/ell1mag/zell1maga.c
index 529cecb..35b4928 100644
--- a/src/c/signalProcessing/ell1mag/zell1maga.c
+++ b/src/c/signalProcessing/ell1mag/zell1maga.c
@@ -36,14 +36,13 @@ void zell1maga(double eps,double m1,doubleComplex* z,int size,double* oup )
 	int k;
 	double ml;
 	ml=eps*eps;
-	doubleComplex t1,t2,t3;
-	t2=DoubleComplex(ml,0);
+	doubleComplex tp1,tp2,tp3;
 	for(k=0;k<size;k++)
 	{
-	t1=zmuls(s[k],s[k]);
-	t2=zmuls(t2,t1);
-	t3=DoubleComplex(un[k],0);
-	v=zrdivs(t3,(zadds(t3,t2)));
+	tp1=zmuls(s[k],s[k]);
+	tp2=DoubleComplex(ml,0);
+	tp3=DoubleComplex(un[k],0);
+	v=zrdivs(tp3,zadds(tp3,(zmuls(tp2,tp1))));
 	oup[k]=zreals(v);
 	}
 }
diff --git a/src/c/signalProcessing/ffilt/gffilts.c b/src/c/signalProcessing/ffilt/gffilts.c
index 538daf3..09876d0 100644
--- a/src/c/signalProcessing/ffilt/gffilts.c
+++ b/src/c/signalProcessing/ffilt/gffilts.c
@@ -80,11 +80,4 @@ void gffilts(char* ft,int size,double N,double fc,double fh,double* oup)
 		oup[id]=1+oup[id];
 	}
 }
-/*
-int main()
-{
-	string s;
-	int n;
-	double fl,fh;
-}
-*/
+
diff --git a/src/c/signalProcessing/fsfirlin/dfsfirlina.c b/src/c/signalProcessing/fsfirlin/dfsfirlina.c
index d2079f4..e44f464 100644
--- a/src/c/signalProcessing/fsfirlin/dfsfirlina.c
+++ b/src/c/signalProcessing/fsfirlin/dfsfirlina.c
@@ -11,11 +11,9 @@
  */
 
 #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)
 {
diff --git a/src/c/signalProcessing/sincd/dsincds.c b/src/c/signalProcessing/sincd/dsincds.c
index 1475d8d..c9f2f81 100644
--- a/src/c/signalProcessing/sincd/dsincds.c
+++ b/src/c/signalProcessing/sincd/dsincds.c
@@ -13,7 +13,6 @@
 #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;
diff --git a/src/c/signalProcessing/sincd/u8sincds.c b/src/c/signalProcessing/sincd/u8sincds.c
index d03f48a..ff0a2ac 100644
--- a/src/c/signalProcessing/sincd/u8sincds.c
+++ b/src/c/signalProcessing/sincd/u8sincds.c
@@ -13,12 +13,11 @@
 #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 pas=M_PI/npt;
 	double om[sz+1];
 	int i;
 	//om[0]=0;
@@ -69,7 +68,7 @@ void u8sincds(int n,int flg,double* oup)
 	int a;
 	for(a=0;a<=4*n;a++)
 	{
-	om[a]=om[a]-(PI/(2*n));
+	om[a]=om[a]-(M_PI/(2*n));
 	}
 	int j,k;
 	for(j=0;j<=4*n;j++)
diff --git a/src/c/signalProcessing/zmodsns.c b/src/c/signalProcessing/zmodsns.c
new file mode 100644
index 0000000..5f35059
--- /dev/null
+++ b/src/c/signalProcessing/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/src/c/signalProcessing/zpbutt/dzpbutts.c b/src/c/signalProcessing/zpbutt/dzpbutts.c
index 33f22af..7b9fe9b 100644
--- a/src/c/signalProcessing/zpbutt/dzpbutts.c
+++ b/src/c/signalProcessing/zpbutt/dzpbutts.c
@@ -12,6 +12,7 @@
 #include<stdio.h>
 #include<math.h>
 #include "zpbutt.h"
+#include "doubleComplex.h"
 #define PI 3.14159265
 double dzpbutts(double n,double fl,doubleComplex* out)
 {
diff --git a/src/c/string/ascii/gasciia.c b/src/c/string/ascii/gasciia.c
index ec11d6e..5fe95e0 100644
--- a/src/c/string/ascii/gasciia.c
+++ b/src/c/string/ascii/gasciia.c
@@ -14,12 +14,12 @@
     into its ascii equivalent.
 */
 #include "ascii.h"
-void gasciia(char *str,int size,int* oup)
+void gasciia(char *str,int size,uint8* oup)
 {
 	int i;
   for(i=0;i<size;i++)
   {
-    *(oup+i)=(int)str[i];
+    *(oup+i)=str[i];
   }
 
 }
diff --git a/src/c/string/disp/zdispa.c b/src/c/string/disp/zdispa.c
index bc71de4..94b24e9 100644
--- a/src/c/string/disp/zdispa.c
+++ b/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("  %1.20lf + %1.20lfi  " ,zreals(in[i+j*rows]) ,zimags(in[i+j*rows])); 
+		for (j=0;j<columns;j++) printf("  %e + %ei  " ,zreals(in[i+j*rows]) ,zimags(in[i+j*rows])); 
 		printf("\n");
 	}
 	return 0;
diff --git a/src/c/string/disp/zdisps.c b/src/c/string/disp/zdisps.c
index c4ec137..4a040cd 100644
--- a/src/c/string/disp/zdisps.c
+++ b/src/c/string/disp/zdisps.c
@@ -14,6 +14,6 @@
 
 double zdisps (doubleComplex in) {	
 
-  printf("  %1.20f + %1.20fi  \n" ,zreals(in) ,zimags(in)); 
+  printf("  %e + %ei  \n" ,zreals(in) ,zimags(in)); 
   return 0;
 }
diff --git a/src/c/string/includes/ascii.h b/src/c/string/includes/ascii.h
index fcf969d..39aeb83 100644
--- a/src/c/string/includes/ascii.h
+++ b/src/c/string/includes/ascii.h
@@ -17,7 +17,7 @@
 extern "C" {
 #endif
 
-void gasciia(char* str,int size,int* oup);
+void gasciia(char* str,int size,uint8* oup);
 void dasciia(double* inp,int size,char* oup);
 
 #ifdef __cplusplus
diff --git a/src/c/string/strcspn/gstrcspna.c b/src/c/string/strcspn/gstrcspna.c
index 716c202..2c83c72 100644
--- a/src/c/string/strcspn/gstrcspna.c
+++ b/src/c/string/strcspn/gstrcspna.c
@@ -1,923 +1,32 @@
-
-
-
-
-
-
-<!DOCTYPE html>
-<html lang="en">
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-    <meta charset="utf-8">
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-  
-  
-  
-  
-
-  <meta name="viewport" content="width=device-width">
-  
-  <title>Scilab2C/gstrcspna.c at master · jschandi/Scilab2C</title>
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-        <td id="L7" class="blob-num js-line-number" data-line-number="7"></td>
-        <td id="LC7" class="blob-code blob-code-inner js-file-line"><span class="pl-c"> http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt</span></td>
-      </tr>
-      <tr>
-        <td id="L8" class="blob-num js-line-number" data-line-number="8"></td>
-        <td id="LC8" class="blob-code blob-code-inner js-file-line"><span class="pl-c"> Organization: FOSSEE, IIT Bombay</span></td>
-      </tr>
-      <tr>
-        <td id="L9" class="blob-num js-line-number" data-line-number="9"></td>
-        <td id="LC9" class="blob-code blob-code-inner js-file-line"><span class="pl-c"> Author: Ankit Raj</span></td>
-      </tr>
-      <tr>
-        <td id="L10" class="blob-num js-line-number" data-line-number="10"></td>
-        <td id="LC10" class="blob-code blob-code-inner js-file-line"><span class="pl-c"> Email: toolbox@scilab.in</span></td>
-      </tr>
-      <tr>
-        <td id="L11" class="blob-num js-line-number" data-line-number="11"></td>
-        <td id="LC11" class="blob-code blob-code-inner js-file-line"><span class="pl-c"><span class="pl-c">*/</span></span></td>
-      </tr>
-      <tr>
-        <td id="L12" class="blob-num js-line-number" data-line-number="12"></td>
-        <td id="LC12" class="blob-code blob-code-inner js-file-line">#<span class="pl-k">include</span><span class="pl-s"><span class="pl-pds">&lt;</span>stdio.h<span class="pl-pds">&gt;</span></span></td>
-      </tr>
-      <tr>
-        <td id="L13" class="blob-num js-line-number" data-line-number="13"></td>
-        <td id="LC13" class="blob-code blob-code-inner js-file-line">#<span class="pl-k">include</span><span class="pl-s"><span class="pl-pds">&lt;</span>string.h<span class="pl-pds">&gt;</span></span></td>
-      </tr>
-      <tr>
-        <td id="L14" class="blob-num js-line-number" data-line-number="14"></td>
-        <td id="LC14" class="blob-code blob-code-inner js-file-line">#<span class="pl-k">include</span> <span class="pl-s"><span class="pl-pds">&quot;</span>strcspn.h<span class="pl-pds">&quot;</span></span></td>
-      </tr>
-      <tr>
-        <td id="L15" class="blob-num js-line-number" data-line-number="15"></td>
-        <td id="LC15" class="blob-code blob-code-inner js-file-line">uint8 <span class="pl-en">gstrcspna</span>(<span class="pl-k">char</span> *str1,<span class="pl-k">int</span> size1,<span class="pl-k">char</span> *str2,<span class="pl-k">int</span> size2)</td>
-      </tr>
-      <tr>
-        <td id="L16" class="blob-num js-line-number" data-line-number="16"></td>
-        <td id="LC16" class="blob-code blob-code-inner js-file-line">{</td>
-      </tr>
-      <tr>
-        <td id="L17" class="blob-num js-line-number" data-line-number="17"></td>
-        <td id="LC17" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">int</span> ind,i,j;;</td>
-      </tr>
-      <tr>
-        <td id="L18" class="blob-num js-line-number" data-line-number="18"></td>
-        <td id="LC18" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">for</span>(i=<span class="pl-c1">0</span>;i&lt;=size1;i++)</td>
-      </tr>
-      <tr>
-        <td id="L19" class="blob-num js-line-number" data-line-number="19"></td>
-        <td id="LC19" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">int</span> j;</td>
-      </tr>
-      <tr>
-        <td id="L20" class="blob-num js-line-number" data-line-number="20"></td>
-        <td id="LC20" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">for</span>(i=<span class="pl-c1">0</span>;i&lt;=size1;i++)</td>
-      </tr>
-      <tr>
-        <td id="L21" class="blob-num js-line-number" data-line-number="21"></td>
-        <td id="LC21" class="blob-code blob-code-inner js-file-line">    {</td>
-      </tr>
-      <tr>
-        <td id="L22" class="blob-num js-line-number" data-line-number="22"></td>
-        <td id="LC22" class="blob-code blob-code-inner js-file-line">      <span class="pl-k">for</span>(j=<span class="pl-c1">0</span>;j&lt;=size2;j++)</td>
-      </tr>
-      <tr>
-        <td id="L23" class="blob-num js-line-number" data-line-number="23"></td>
-        <td id="LC23" class="blob-code blob-code-inner js-file-line">      {</td>
-      </tr>
-      <tr>
-        <td id="L24" class="blob-num js-line-number" data-line-number="24"></td>
-        <td id="LC24" class="blob-code blob-code-inner js-file-line">        <span class="pl-k">if</span>(str2[j]==str1[i])</td>
-      </tr>
-      <tr>
-        <td id="L25" class="blob-num js-line-number" data-line-number="25"></td>
-        <td id="LC25" class="blob-code blob-code-inner js-file-line">        {</td>
-      </tr>
-      <tr>
-        <td id="L26" class="blob-num js-line-number" data-line-number="26"></td>
-        <td id="LC26" class="blob-code blob-code-inner js-file-line">          ind=j;</td>
-      </tr>
-      <tr>
-        <td id="L27" class="blob-num js-line-number" data-line-number="27"></td>
-        <td id="LC27" class="blob-code blob-code-inner js-file-line">          <span class="pl-k">break</span>;</td>
-      </tr>
-      <tr>
-        <td id="L28" class="blob-num js-line-number" data-line-number="28"></td>
-        <td id="LC28" class="blob-code blob-code-inner js-file-line">        }</td>
-      </tr>
-      <tr>
-        <td id="L29" class="blob-num js-line-number" data-line-number="29"></td>
-        <td id="LC29" class="blob-code blob-code-inner js-file-line">      }</td>
-      </tr>
-      <tr>
-        <td id="L30" class="blob-num js-line-number" data-line-number="30"></td>
-        <td id="LC30" class="blob-code blob-code-inner js-file-line">    }</td>
-      </tr>
-      <tr>
-        <td id="L31" class="blob-num js-line-number" data-line-number="31"></td>
-        <td id="LC31" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">return</span> (ind+<span class="pl-c1">1</span>);</td>
-      </tr>
-      <tr>
-        <td id="L32" class="blob-num js-line-number" data-line-number="32"></td>
-        <td id="LC32" class="blob-code blob-code-inner js-file-line">}</td>
-      </tr>
-      <tr>
-        <td id="L33" class="blob-num js-line-number" data-line-number="33"></td>
-        <td id="LC33" class="blob-code blob-code-inner js-file-line"><span class="pl-c"><span class="pl-c">/*</span>int main()</span></td>
-      </tr>
-      <tr>
-        <td id="L34" class="blob-num js-line-number" data-line-number="34"></td>
-        <td id="LC34" class="blob-code blob-code-inner js-file-line"><span class="pl-c">{</span></td>
-      </tr>
-      <tr>
-        <td id="L35" class="blob-num js-line-number" data-line-number="35"></td>
-        <td id="LC35" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    int n1,n2;</span></td>
-      </tr>
-      <tr>
-        <td id="L36" class="blob-num js-line-number" data-line-number="36"></td>
-        <td id="LC36" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    char inp1[100000],inp2[100000];</span></td>
-      </tr>
-      <tr>
-        <td id="L37" class="blob-num js-line-number" data-line-number="37"></td>
-        <td id="LC37" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    printf(&quot;Enter the length of the first string&quot;);</span></td>
-      </tr>
-      <tr>
-        <td id="L38" class="blob-num js-line-number" data-line-number="38"></td>
-        <td id="LC38" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    scanf(&quot;%d&quot;,&amp;n1);</span></td>
-      </tr>
-      <tr>
-        <td id="L39" class="blob-num js-line-number" data-line-number="39"></td>
-        <td id="LC39" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    for(int i=0;i&lt;=(n1+1);i++)</span></td>
-      </tr>
-      <tr>
-        <td id="L40" class="blob-num js-line-number" data-line-number="40"></td>
-        <td id="LC40" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    {</span></td>
-      </tr>
-      <tr>
-        <td id="L41" class="blob-num js-line-number" data-line-number="41"></td>
-        <td id="LC41" class="blob-code blob-code-inner js-file-line"><span class="pl-c">      scanf(&quot;%c&quot;,&amp;inp1[i]);</span></td>
-      </tr>
-      <tr>
-        <td id="L42" class="blob-num js-line-number" data-line-number="42"></td>
-        <td id="LC42" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    }</span></td>
-      </tr>
-      <tr>
-        <td id="L43" class="blob-num js-line-number" data-line-number="43"></td>
-        <td id="LC43" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    printf(&quot;Enter the length of the second string&quot;);</span></td>
-      </tr>
-      <tr>
-        <td id="L44" class="blob-num js-line-number" data-line-number="44"></td>
-        <td id="LC44" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    scanf(&quot;%d&quot;,&amp;n2 );</span></td>
-      </tr>
-      <tr>
-        <td id="L45" class="blob-num js-line-number" data-line-number="45"></td>
-        <td id="LC45" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    for(int j=0;j&lt;=(n2+1);j++)</span></td>
-      </tr>
-      <tr>
-        <td id="L46" class="blob-num js-line-number" data-line-number="46"></td>
-        <td id="LC46" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    {</span></td>
-      </tr>
-      <tr>
-        <td id="L47" class="blob-num js-line-number" data-line-number="47"></td>
-        <td id="LC47" class="blob-code blob-code-inner js-file-line"><span class="pl-c">      scanf(&quot;%c&quot;,&amp;inp2[j]);</span></td>
-      </tr>
-      <tr>
-        <td id="L48" class="blob-num js-line-number" data-line-number="48"></td>
-        <td id="LC48" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    }</span></td>
-      </tr>
-      <tr>
-        <td id="L49" class="blob-num js-line-number" data-line-number="49"></td>
-        <td id="LC49" class="blob-code blob-code-inner js-file-line"><span class="pl-c">    strcspnfn(inp1,n1+1,inp2,n2+1);</span></td>
-      </tr>
-      <tr>
-        <td id="L50" class="blob-num js-line-number" data-line-number="50"></td>
-        <td id="LC50" class="blob-code blob-code-inner js-file-line"><span class="pl-c">}</span></td>
-      </tr>
-      <tr>
-        <td id="L51" class="blob-num js-line-number" data-line-number="51"></td>
-        <td id="LC51" class="blob-code blob-code-inner js-file-line"><span class="pl-c"><span class="pl-c">*/</span></span></td>
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+/* 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,i,j;
+    
+    for(i=0;i<=size2;i++)
+    {
+      for(j=0;j<=size1;j++)
+      {
+        if(str2[i]==str1[j])
+        {
+          ind=j;
+          break;
+        }
+      }
+    }
+    return (ind+1);
+}
 
diff --git a/tests/unit_tests/testLinearAlgebra/testfullrf/testfullrf.sci b/tests/unit_tests/testLinearAlgebra/testfullrf/testfullrf.sci
new file mode 100644
index 0000000..49d3c7a
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testfullrf/testfullrf.sci
@@ -0,0 +1,7 @@
+function testfullrf()
+    A = [1,2,3;4,5,6;7,8,9]
+    [Q,M,rk] = fullrf(A)
+    disp(Q)
+    disp(M)
+    disp(rk)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testgivens/testgivens.sci b/tests/unit_tests/testLinearAlgebra/testgivens/testgivens.sci
new file mode 100644
index 0000000..3ef0d28
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testgivens/testgivens.sci
@@ -0,0 +1,7 @@
+function testgivens()
+     a = [1]
+     b = [2]
+     [u,c] = givens(a,b)
+     disp(u)
+     disp(c)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testhess/testhess.sci b/tests/unit_tests/testLinearAlgebra/testhess/testhess.sci
new file mode 100644
index 0000000..f991ae9
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testhess/testhess.sci
@@ -0,0 +1,5 @@
+function testhess()
+    a = [0,0,0,0;0,6,7,8;9,10,11,12;13,14,15,16];
+    h = hess(a)
+    disp(h)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testhouseholder/testhouseholder.sci b/tests/unit_tests/testLinearAlgebra/testhouseholder/testhouseholder.sci
new file mode 100644
index 0000000..30b4c20
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testhouseholder/testhouseholder.sci
@@ -0,0 +1,6 @@
+function testhouseholder()
+    A = [1;2;3;4;5]
+    B = [6;7;8;9;10]
+    u = householder(A,B)
+    disp(u)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testnorm/testnorm.sci b/tests/unit_tests/testLinearAlgebra/testnorm/testnorm.sci
new file mode 100644
index 0000000..727a895
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testnorm/testnorm.sci
@@ -0,0 +1,6 @@
+//* Function to find, norm(a,2)
+function testnorm()
+    a = [1,2,3;4,5,6;7,8,9] // Matrix
+    d = norm(a,2);          // Calling NORM function.
+    disp(d)                 // display output
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testqr/testQR.sci b/tests/unit_tests/testLinearAlgebra/testqr/testQR.sci
new file mode 100644
index 0000000..292e1cb
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testqr/testQR.sci
@@ -0,0 +1,8 @@
+function testQR()
+    A = [1,2,3;4,5,6]
+    [u,a,rk,e] = qr(A);
+    disp(u)
+    disp(a)
+    disp(rk)
+    disp(e)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testrowcomp/testrcomp.sci b/tests/unit_tests/testLinearAlgebra/testrowcomp/testrcomp.sci
new file mode 100644
index 0000000..f8da948
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testrowcomp/testrcomp.sci
@@ -0,0 +1,6 @@
+function testrcomp()
+    A = [1,2,3;4,5,6]
+    [u,rk] = rowcomp(A,"qr")
+    disp(u)
+    disp(rk)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testspec/testspec.sci b/tests/unit_tests/testLinearAlgebra/testspec/testspec.sci
new file mode 100644
index 0000000..6e9346d
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testspec/testspec.sci
@@ -0,0 +1,9 @@
+function testspec()
+    A = [1,2,3;4,5,6;7,8,9]
+    B = [10,11,12;13,14,15;16,17,18]
+    [R,diagevals,c,d] = spec(A,B)
+    disp(R)
+    disp(diagevals)
+    disp(c)
+    disp(d)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testsqroot/testsqroot.sci b/tests/unit_tests/testLinearAlgebra/testsqroot/testsqroot.sci
new file mode 100644
index 0000000..63db1f4
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testsqroot/testsqroot.sci
@@ -0,0 +1,5 @@
+function testsqroot()
+    a = [1,2,3;4,5,6;7,8,9];
+    e = sqroot(a);
+    disp(e)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testsva/testsva.sci b/tests/unit_tests/testLinearAlgebra/testsva/testsva.sci
new file mode 100644
index 0000000..c710723
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testsva/testsva.sci
@@ -0,0 +1,7 @@
+function testsva()
+    a = [1,2,3,4;5,6,7,8;9,10,11,12]
+    [u,s,v] = sva(a)
+    disp(u)
+    disp(s)
+    disp(v)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testsva/testsvatol.sci b/tests/unit_tests/testLinearAlgebra/testsva/testsvatol.sci
new file mode 100644
index 0000000..b199ec3
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testsva/testsvatol.sci
@@ -0,0 +1,9 @@
+// function Singular Value Approx.
+
+function testsvatol()
+    a = [1,2,3,4;5,6,7,8;9,10,11,12]
+    [u,s,v] = sva(a,1)
+    disp(u)
+    disp(s)
+    disp(v)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testsvd/testsvd.sci b/tests/unit_tests/testLinearAlgebra/testsvd/testsvd.sci
new file mode 100644
index 0000000..9a3a50a
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testsvd/testsvd.sci
@@ -0,0 +1,6 @@
+function testsvd()
+    disp(" ** SVD Function (Singular Value Decomposition)** ")
+    A = [1,2,3,11;4,5,6,12;7,8,9,13] // Matrix - A
+    [s = svd(A)               // Calling Function Sequence 
+    disp(s)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testsvd/testsvdeconomy.sci b/tests/unit_tests/testLinearAlgebra/testsvd/testsvdeconomy.sci
new file mode 100644
index 0000000..0459c79
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testsvd/testsvdeconomy.sci
@@ -0,0 +1,11 @@
+function testsvdeconomy()
+    disp(" ** SVD Function (Singular Value Decomposition)** ")
+    A = [1,2,3,11;4,5,6,12;7,8,9,13] // Matrix - A
+    [u,s,vt] = svd(A,'e')               // Calling Function Sequence 
+    disp("U  Matrix")           
+    disp(u)                         // A = U*sigma*Vt
+    disp("Sigma  Matrix")
+    disp(s)
+    disp(" V transpose ")
+    disp(vt)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testsvd/testsvdim.sci b/tests/unit_tests/testLinearAlgebra/testsvd/testsvdim.sci
new file mode 100644
index 0000000..16633cc
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testsvd/testsvdim.sci
@@ -0,0 +1,6 @@
+// Function double_complex - test data.
+function svdim()
+    b = [ (5.91+5.69*%i),(3.15-4.08*%i),(4.89+4.20*%i),(7.09+2.72*%i);(1.89+3.27*%i),(4.10+6.70*%i),(7.78+4.06*%i),(4.57+2.07*%i);(3.28+3.84*%i),(-0.79+7.21*%i),(3.88+3.30*%i),(3.84+1.19*%i)]
+    s = svd(b)
+    disp(s)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testsvd/testsvdrank.sci b/tests/unit_tests/testLinearAlgebra/testsvd/testsvdrank.sci
new file mode 100644
index 0000000..108acde
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testsvd/testsvdrank.sci
@@ -0,0 +1,13 @@
+function testsvdrank()
+    disp(" ** SVD Function (Singular Value Decomposition)** ")
+    A = [1,2,3,11;4,5,6,12;7,8,9,13] // Matrix - A
+    [u,s,vt,rk] = svd(A)               // Calling Function Sequence 
+    disp("U  Matrix")           
+    disp(u)                         // A = U*sigma*Vt
+    disp("Sigma  Matrix")
+    disp(s)
+    disp(" V transpose ")
+    disp(vt)
+	disp("Rank")
+	disp(rk)
+endfunction
diff --git a/tests/unit_tests/testLinearAlgebra/testsvd/testsvdreal.sci b/tests/unit_tests/testLinearAlgebra/testsvd/testsvdreal.sci
new file mode 100644
index 0000000..0e68e00
--- /dev/null
+++ b/tests/unit_tests/testLinearAlgebra/testsvd/testsvdreal.sci
@@ -0,0 +1,11 @@
+function testsvdreal()
+    disp(" ** SVD Function (Singular Value Decomposition)** ")
+    A = [1,2,3,11;4,5,6,12;7,8,9,13] // Matrix - A
+    [u,s,vt] = svd(A)               // Calling Function Sequence 
+    disp("U  Matrix")           
+    disp(u)                         // A = U*sigma*Vt
+    disp("Sigma  Matrix")
+    disp(s)
+    disp(" V transpose ")
+    disp(vt)
+endfunction
diff --git a/tests/unit_tests/test_analogFilters/scilabcode/main.sci b/tests/unit_tests/test_analogFilters/scilabcode/main.sci
new file mode 100644
index 0000000..85fc494
--- /dev/null
+++ b/tests/unit_tests/test_analogFilters/scilabcode/main.sci
@@ -0,0 +1,33 @@
+// This is the demo function to test the analog filters
+// They are of 4 types butterworth,chebyshev-1,chebyshev-2 and elliptic
+// We are going to test here the butterworth, chebyshev-1 and chebyshev-2 filters
+//zpbutt->butterworth filter
+//zpch1 ->chebyshev type-1 filter
+//zpch2 ->chebyshev type-2 filter
+function main()
+	n=5;		      //n is the filter order
+        fl=3;                 //fl is the cutoff frequency
+        [pb,gb]=zpbutt(n,fl);
+	disp("poles of butterworth filter")
+        disp(pb);
+	disp("gain of butterworth filter");
+        disp(gb);
+
+        e=0.5;               //e (epsilon) it is the ripples in pass band
+        wc=4;                // wc cutoff frequency 
+        [pc1,gc1]=zpch1(n,e,wc);
+	disp("poles of chebyshev-1 filter")
+        disp(pc1);
+	disp("gain of chebyshev-1 filter")
+        disp(gc1);
+
+        a=4;		     //a is the attenuation in stop band
+        w=5;                 //w (omega) is the cutoff frequency
+        [zc2,pc2,gc2]=zpch2(n,a,w);
+	disp("zeros of chebyshev-2 filter")
+        disp(zc2);
+	disp("poles of chebyshev-2 filter")
+        disp(pc2);
+	disp("gain of chebyshev-2 filter")
+        disp(gc2);
+endfunction
diff --git a/tests/unit_tests/test_analogFilters/scilabcode/zpbutttest.sci b/tests/unit_tests/test_analogFilters/scilabcode/zpbutttest.sci
new file mode 100644
index 0000000..1ea723d
--- /dev/null
+++ b/tests/unit_tests/test_analogFilters/scilabcode/zpbutttest.sci
@@ -0,0 +1,7 @@
+function zpbutttest()
+    n=5;
+    fl=3;
+    [p,g]=zpbutt(n,fl);
+    disp(p);
+    disp(g);
+endfunction
diff --git a/tests/unit_tests/test_analogFilters/scilabcode/zpch1test.sci b/tests/unit_tests/test_analogFilters/scilabcode/zpch1test.sci
new file mode 100644
index 0000000..4f29e0d4
--- /dev/null
+++ b/tests/unit_tests/test_analogFilters/scilabcode/zpch1test.sci
@@ -0,0 +1,9 @@
+function zpch1test()
+
+    N=5;         //N is the filter order
+    e=0.5;       //e (epsilon) it is the ripples in pass band
+    wc=4;        // wc cutoff frequency 
+    [p,g]=zpch1(N,e,wc);
+    disp(p);
+    disp(g);
+endfunction
diff --git a/tests/unit_tests/test_analogFilters/scilabcode/zpch2test.sci b/tests/unit_tests/test_analogFilters/scilabcode/zpch2test.sci
new file mode 100644
index 0000000..665fb41
--- /dev/null
+++ b/tests/unit_tests/test_analogFilters/scilabcode/zpch2test.sci
@@ -0,0 +1,9 @@
+function zpch2test()
+    n=5;
+    a=4;
+    w=5;
+    [z,p,g]=zpch2(n,a,w);
+    disp(z);
+    disp(p);
+    disp(g);
+endfunction
diff --git a/tests/unit_tests/test_filterResponse/scilabcode/buttmagtest.sci b/tests/unit_tests/test_filterResponse/scilabcode/buttmagtest.sci
new file mode 100644
index 0000000..c7426c2
--- /dev/null
+++ b/tests/unit_tests/test_filterResponse/scilabcode/buttmagtest.sci
@@ -0,0 +1,7 @@
+function buttmagtest()
+    smp=[1:5];
+    od=6;
+    frq=2.2;
+    oup=buttmag(od,frq,smp);
+    disp(oup);
+endfunction
diff --git a/tests/unit_tests/test_filterResponse/scilabcode/cheb1magtest.sci b/tests/unit_tests/test_filterResponse/scilabcode/cheb1magtest.sci
new file mode 100644
index 0000000..7d09637
--- /dev/null
+++ b/tests/unit_tests/test_filterResponse/scilabcode/cheb1magtest.sci
@@ -0,0 +1,8 @@
+function cheb1magtest()
+    od=5;
+    wfc=3;
+    eps=0.3;
+    sap=[1:5];
+    out=cheb1mag(od,wfc,eps,sap);
+    disp(out);
+endfunction
diff --git a/tests/unit_tests/test_filterResponse/scilabcode/ell1magtest.sci b/tests/unit_tests/test_filterResponse/scilabcode/ell1magtest.sci
new file mode 100644
index 0000000..b53c435
--- /dev/null
+++ b/tests/unit_tests/test_filterResponse/scilabcode/ell1magtest.sci
@@ -0,0 +1,7 @@
+function ell1magtest()
+    eps1=0.2;
+    m11=0.4;
+    z1=[1,2,3];
+    [s1]=ell1mag(eps1,m11,z1);
+    disp(s1);
+endfunction
diff --git a/tests/unit_tests/test_filterResponse/scilabcode/main.sci b/tests/unit_tests/test_filterResponse/scilabcode/main.sci
new file mode 100644
index 0000000..6a8cbc5
--- /dev/null
+++ b/tests/unit_tests/test_filterResponse/scilabcode/main.sci
@@ -0,0 +1,20 @@
+function main()
+
+	order=5;
+	sample1=[1:5];
+        frq=2.2;
+    	out1=buttmag(order,frq,sample1);
+    	disp(out1); 
+
+        wfc=3;
+        eps=0.3;
+        sample2=[1:5];
+        out2=cheb1mag(order,wfc,eps,sample2);
+        disp(out2);
+        
+	eps1=0.2;
+        m11=0.4;
+        z1=[1,2,3];
+        [s1]=ell1mag(eps1,m11,z1);
+        disp(s1);
+endfunction
diff --git a/tests/unit_tests/test_jacobi/scilabcode/main.sci b/tests/unit_tests/test_jacobi/scilabcode/main.sci
new file mode 100644
index 0000000..ee229eb
--- /dev/null
+++ b/tests/unit_tests/test_jacobi/scilabcode/main.sci
@@ -0,0 +1,18 @@
+// Demo function to test %sn and %k functions
+// %sn is the Jacobi's elliptic function
+// %k is the Jacobi's complete integral
+function main()
+	u=[1+2*%i 2+3*%i 3+1*%i];  // the corresponding complex vector
+        k=0.6;                     // parameter of elliptic integral
+        [out]=%sn(u,k);
+        disp(out);
+	m=[0.1 0.2 0.3];	   // parametrt of Jacobi complete integral
+        s=%k(m);
+        disp(s);
+endfunction
+
+//Output
+//for %sn
+// 1.5641568 - 0.2037920i    1.0580372 + 0.0100213i    1.1386855 - 0.4631921i  
+// for %k
+// 1.6124413    1.6596236    1.7138894 
diff --git a/tests/unit_tests/test_jacobi/scilabcode/modktest.sci b/tests/unit_tests/test_jacobi/scilabcode/modktest.sci
new file mode 100644
index 0000000..613cd33
--- /dev/null
+++ b/tests/unit_tests/test_jacobi/scilabcode/modktest.sci
@@ -0,0 +1,5 @@
+function modktest()
+    m=[0.1 0.2 0.3];
+    s=%k(m);
+    disp(s);
+endfunction
diff --git a/tests/unit_tests/test_jacobi/scilabcode/modsntest.sci b/tests/unit_tests/test_jacobi/scilabcode/modsntest.sci
new file mode 100644
index 0000000..dc5d435
--- /dev/null
+++ b/tests/unit_tests/test_jacobi/scilabcode/modsntest.sci
@@ -0,0 +1,6 @@
+function modsntest()
+    u=[1+2*%i 2+3*%i 3+1*%i];  // the corresponding complex vector
+    k=0.6;                     // parameter of elliptic integral
+    [out]=%sn(u,k);
+    disp(out);
+endfunction
diff --git a/tests/unit_tests/test_string/scilabcode/asciitest.sci b/tests/unit_tests/test_string/scilabcode/asciitest.sci
new file mode 100644
index 0000000..aa0017d
--- /dev/null
+++ b/tests/unit_tests/test_string/scilabcode/asciitest.sci
@@ -0,0 +1,11 @@
+//This function test the ascii function in scilab.
+//Ascii function takes the input string and then gives the ascii code of the string.
+// The output for the scilab will be:-
+//[97.    110.    107.    105.    116.    32.    105.    115.    32.  114.    97.    106.] 
+ 
+function asciitest()
+    y="ankit is raj";  //This is the input string for testing the function.
+    x=ascii(y);       //calling of the function
+    disp(x);
+endfunction
+
diff --git a/tests/unit_tests/test_string/scilabcode/asciitest2.sci b/tests/unit_tests/test_string/scilabcode/asciitest2.sci
new file mode 100644
index 0000000..ca7dcb7
--- /dev/null
+++ b/tests/unit_tests/test_string/scilabcode/asciitest2.sci
@@ -0,0 +1,5 @@
+function asciitest2()
+    d=[97 98 99 100 101];
+    si=ascii(d);
+    disp(si);
+endfunction
diff --git a/tests/unit_tests/test_string/scilabcode/main.sci b/tests/unit_tests/test_string/scilabcode/main.sci
new file mode 100644
index 0000000..4030ee0
--- /dev/null
+++ b/tests/unit_tests/test_string/scilabcode/main.sci
@@ -0,0 +1,30 @@
+//This is the demo function to test a set of string functions
+// ascii->converts the input char vector/array to corresponding ascii code or vice versa
+// strchr-> it finds the occurence of a charcter in a given string
+// strncpy->copy charcters from string
+// strspn-> get span of character set in string
+
+function main()
+	strascii1="ankit is raj";  //This is the input string for testing the function.
+    	asciiout1=ascii(strascii1);       //calling of the function
+    	disp(asciiout1);
+
+	strascii2=[97 98 99 100 101];  //Input as the ascii code to get converted to string
+    	asciiout2=ascii(strascii2);           //calling the function
+    	disp(asciiout2);
+
+	str="This is a sample string";  
+        ch="s";
+    	out1=strchr(str,ch);
+    	disp(out1);
+	
+	ss="Ankit Raj";
+        nn=5;
+        resu=strncpy(ss,nn);
+        disp(resu);
+
+    	strsample2="Hello this is Ankit";
+        a="Ank";
+        oup2=strspn(a,strsample2);
+    	disp(oup2)
+endfunction
diff --git a/tests/unit_tests/test_string/scilabcode/strchrtest.sci b/tests/unit_tests/test_string/scilabcode/strchrtest.sci
new file mode 100644
index 0000000..f8d3419
--- /dev/null
+++ b/tests/unit_tests/test_string/scilabcode/strchrtest.sci
@@ -0,0 +1,6 @@
+function strchrtest()
+    s="This is a sample string";
+    ch="s";
+    y=strchr(s,ch);
+    disp(y);
+endfunction
diff --git a/tests/unit_tests/test_string/scilabcode/strcspntest.sci b/tests/unit_tests/test_string/scilabcode/strcspntest.sci
new file mode 100644
index 0000000..9a03c57
--- /dev/null
+++ b/tests/unit_tests/test_string/scilabcode/strcspntest.sci
@@ -0,0 +1,6 @@
+function strcspntest()
+    x="123243545assdsc";
+    y="anki5t3";
+    z=strcspn(y,x);
+    disp(z);
+endfunction
diff --git a/tests/unit_tests/test_string/scilabcode/strncpytest.sci b/tests/unit_tests/test_string/scilabcode/strncpytest.sci
new file mode 100644
index 0000000..14eceb8
--- /dev/null
+++ b/tests/unit_tests/test_string/scilabcode/strncpytest.sci
@@ -0,0 +1,6 @@
+function strncpytest()
+    ss="Ankit Raj";
+    nn=5;
+    resu=strncpy(ss,nn);
+    disp(resu);
+endfunction
diff --git a/thirdparty/lib/raspberrypi/libcblas.a b/thirdparty/lib/raspberrypi/libcblas.a
index 719376d..bbba3e2 100644
--- a/thirdparty/lib/raspberrypi/libcblas.a
+++ b/thirdparty/lib/raspberrypi/libcblas.a
diff --git a/thirdparty/lib/raspberrypi/liblapack.a b/thirdparty/lib/raspberrypi/liblapack.a
index 7ec0eb9..6165c43 100644
--- a/thirdparty/lib/raspberrypi/liblapack.a
+++ b/thirdparty/lib/raspberrypi/liblapack.a
diff --git a/thirdparty/lib/raspberrypi/librefblas.a b/thirdparty/lib/raspberrypi/librefblas.a
index 0307f90..d1921c4 100644
--- a/thirdparty/lib/raspberrypi/librefblas.a
+++ b/thirdparty/lib/raspberrypi/librefblas.a