Basic functions and image processing working with MSVC on windows x64

60 files changed, 768 insertions, 72 deletions

diff --git a/src/c/elementaryFunctions/Trigonometry/cosd/dcosda.c b/src/c/elementaryFunctions/Trigonometry/cosd/dcosda.c
index b48876e..65a6f4a 100644
--- a/src/c/elementaryFunctions/Trigonometry/cosd/dcosda.c
+++ b/src/c/elementaryFunctions/Trigonometry/cosd/dcosda.c
@@ -1,14 +1,24 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "cosd.h"
 #include <math.h>
 
 void dcosda(double* in,int size,double* out)
 {
-	double val=0.0;
-   	val =3.14159265/180.0;
    	int i=0;
   	for (i=0;i<size;i++)
 	{
-		out[i] = cos(in[i]*val);
+		out[i] = dcosds(in[i]);
 	}
 }
 
diff --git a/src/c/elementaryFunctions/Trigonometry/cosd/dcosds.c b/src/c/elementaryFunctions/Trigonometry/cosd/dcosds.c
index 4550757..8bc6d4a 100644
--- a/src/c/elementaryFunctions/Trigonometry/cosd/dcosds.c
+++ b/src/c/elementaryFunctions/Trigonometry/cosd/dcosds.c
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifdef _WIN32
+	#define _USE_MATH_DEFINES
+#endif
+
 #include <math.h>
 #include "cos.h"
 #include "cosd.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/cosd/scosda.c b/src/c/elementaryFunctions/Trigonometry/cosd/scosda.c
index 5224899..7e0714d 100644
--- a/src/c/elementaryFunctions/Trigonometry/cosd/scosda.c
+++ b/src/c/elementaryFunctions/Trigonometry/cosd/scosda.c
@@ -1,7 +1,20 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "cos.h"
 #include "cosd.h"
 
-void scosda(float* in, int size, float* out) {
+void scosda(float* in, int size, float* out) 
+{
   int i = 0;
   for (i = 0; i < size; ++i) {
     out[i] = scosds(in[i]);
diff --git a/src/c/elementaryFunctions/Trigonometry/cosd/scosds.c b/src/c/elementaryFunctions/Trigonometry/cosd/scosds.c
index e99a195..45c788f 100644
--- a/src/c/elementaryFunctions/Trigonometry/cosd/scosds.c
+++ b/src/c/elementaryFunctions/Trigonometry/cosd/scosds.c
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifdef _WIN32
+	#define _USE_MATH_DEFINES
+#endif
+
 #include <math.h>
 #include "cosd.h"
 #include "cos.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/cotd/dcotda.c b/src/c/elementaryFunctions/Trigonometry/cotd/dcotda.c
index 3cf032a..3a4b23c 100644
--- a/src/c/elementaryFunctions/Trigonometry/cotd/dcotda.c
+++ b/src/c/elementaryFunctions/Trigonometry/cotd/dcotda.c
@@ -1,16 +1,23 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "cotd.h"
-#include <math.h>
-#define PI 3.14159265
 
 void dcotda(double* in,int size,double* out)
 {
-   	double val;
    	int i=0;
-   	val = PI / 180.0;
    	for(i=0;i<size;i++)
 	{
-		out[i]=1/tan(in[i]*val);
-  		/*printf("The cotangent of %lf degrees is %lf \n", in[i], out[i]);*/
+		out[i]=dcotds(in[i]);
 	}
 }
 
diff --git a/src/c/elementaryFunctions/Trigonometry/cotd/dcotds.c b/src/c/elementaryFunctions/Trigonometry/cotd/dcotds.c
index 4ba95b8..34befb6 100644
--- a/src/c/elementaryFunctions/Trigonometry/cotd/dcotds.c
+++ b/src/c/elementaryFunctions/Trigonometry/cotd/dcotds.c
@@ -1,9 +1,23 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifdef _WIN32
+	#define _USE_MATH_DEFINES
+#endif
+
 #include <math.h>
 #include "cotd.h"
 
 double dcotds(double in)
 {
-if(in==0)
-printf("Inf\n");
   return (1/tan((M_PI/180.0)*in));
 }
diff --git a/src/c/elementaryFunctions/Trigonometry/cotd/scotda.c b/src/c/elementaryFunctions/Trigonometry/cotd/scotda.c
index fd5a1e1..fbdf0f5 100644
--- a/src/c/elementaryFunctions/Trigonometry/cotd/scotda.c
+++ b/src/c/elementaryFunctions/Trigonometry/cotd/scotda.c
@@ -1,9 +1,20 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
 
 #include "cotd.h"
 
 void scotda(float* in, int size, float* out) {
   int i = 0;
   for (i = 0; i < size; ++i) {
-    out[i] = scosds(in[i]);
+    out[i] = scotds(in[i]);
   }
 }
diff --git a/src/c/elementaryFunctions/Trigonometry/cotd/scotds.c b/src/c/elementaryFunctions/Trigonometry/cotd/scotds.c
index d635dbc..e7e02b9 100644
--- a/src/c/elementaryFunctions/Trigonometry/cotd/scotds.c
+++ b/src/c/elementaryFunctions/Trigonometry/cotd/scotds.c
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifdef _WIN32
+	#define _USE_MATH_DEFINES
+#endif
+
 #include <math.h>
 #include "cotd.h"
 
diff --git a/src/c/elementaryFunctions/Trigonometry/coth/ccotha.c b/src/c/elementaryFunctions/Trigonometry/coth/ccotha.c
index 4e79451..44a366e 100644
--- a/src/c/elementaryFunctions/Trigonometry/coth/ccotha.c
+++ b/src/c/elementaryFunctions/Trigonometry/coth/ccotha.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "coth.h"
 #include <math.h>
 
@@ -8,5 +20,5 @@ void ccotha(floatComplex* in, int size,floatComplex* out)
 	{
 		out[i] = ccoths(in[i]);
 	}
-	return out;
+	
 }
diff --git a/src/c/elementaryFunctions/Trigonometry/coth/ccoths.c b/src/c/elementaryFunctions/Trigonometry/coth/ccoths.c
index 564b8e6..b7f9026 100644
--- a/src/c/elementaryFunctions/Trigonometry/coth/ccoths.c
+++ b/src/c/elementaryFunctions/Trigonometry/coth/ccoths.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include <math.h>
 #include "coth.h"
 #include <math.h>
diff --git a/src/c/elementaryFunctions/Trigonometry/coth/dcotha.c b/src/c/elementaryFunctions/Trigonometry/coth/dcotha.c
index f6304f5..bb54b20 100644
--- a/src/c/elementaryFunctions/Trigonometry/coth/dcotha.c
+++ b/src/c/elementaryFunctions/Trigonometry/coth/dcotha.c
@@ -1,14 +1,24 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "coth.h"
 #include <math.h>
 
 void dcotha(double* in,int size,double* out)
 {
-   	double val;
    	int i=0;
    	for(i=0;i<size;i++)
 	{
 		out[i]=cosh(in[i])/sinh(in[i]);
-  		/*printf("The cotangent of %lf is %lf\n", in[i], out[i]);*/
 	}
 }
 
diff --git a/src/c/elementaryFunctions/Trigonometry/coth/dcoths.c b/src/c/elementaryFunctions/Trigonometry/coth/dcoths.c
index bf6bb78..55c9a5b 100644
--- a/src/c/elementaryFunctions/Trigonometry/coth/dcoths.c
+++ b/src/c/elementaryFunctions/Trigonometry/coth/dcoths.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include <math.h>
 #include "coth.h"
 #include "cosh.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/coth/scotha.c b/src/c/elementaryFunctions/Trigonometry/coth/scotha.c
index 3fdf37f..5335162 100644
--- a/src/c/elementaryFunctions/Trigonometry/coth/scotha.c
+++ b/src/c/elementaryFunctions/Trigonometry/coth/scotha.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "coth.h"
 #include <math.h>
 
@@ -8,7 +20,6 @@ void scotha(float* in,int size,float* out)
    	for(i=0;i<size;i++)
 	{
 		out[i]=cosh(in[i])/sinh(in[i]);
-  		/*printf("The cotangent of %lf is %lf\n", in[i], out[i]);*/
-	}
+  	}
 }
 
diff --git a/src/c/elementaryFunctions/Trigonometry/coth/scoths.c b/src/c/elementaryFunctions/Trigonometry/coth/scoths.c
index 107945e..2865f56 100644
--- a/src/c/elementaryFunctions/Trigonometry/coth/scoths.c
+++ b/src/c/elementaryFunctions/Trigonometry/coth/scoths.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include <math.h>
 #include "coth.h"
 #include "cosh.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/coth/zcotha.c b/src/c/elementaryFunctions/Trigonometry/coth/zcotha.c
index dcbb284..206cc43 100644
--- a/src/c/elementaryFunctions/Trigonometry/coth/zcotha.c
+++ b/src/c/elementaryFunctions/Trigonometry/coth/zcotha.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "coth.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/coth/zcoths.c b/src/c/elementaryFunctions/Trigonometry/coth/zcoths.c
index 2eed86b..8b3b19f 100644
--- a/src/c/elementaryFunctions/Trigonometry/coth/zcoths.c
+++ b/src/c/elementaryFunctions/Trigonometry/coth/zcoths.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "coth.h"
 #include "tanh.h"
 #include "tan.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/csc/ccsca.c b/src/c/elementaryFunctions/Trigonometry/csc/ccsca.c
index 5f5504a..7ec9a6b 100644
--- a/src/c/elementaryFunctions/Trigonometry/csc/ccsca.c
+++ b/src/c/elementaryFunctions/Trigonometry/csc/ccsca.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csc.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/csc/ccscs.c b/src/c/elementaryFunctions/Trigonometry/csc/ccscs.c
index af8b3eb..f16aa1b 100644
--- a/src/c/elementaryFunctions/Trigonometry/csc/ccscs.c
+++ b/src/c/elementaryFunctions/Trigonometry/csc/ccscs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include <math.h>
 #include "sin.h"
 #include "cos.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/csc/dcsca.c b/src/c/elementaryFunctions/Trigonometry/csc/dcsca.c
index eeedea5..b1a3cf3 100644
--- a/src/c/elementaryFunctions/Trigonometry/csc/dcsca.c
+++ b/src/c/elementaryFunctions/Trigonometry/csc/dcsca.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csc.h"
 
 void dcsca(double* in,int size,double* out)
diff --git a/src/c/elementaryFunctions/Trigonometry/csc/dcscs.c b/src/c/elementaryFunctions/Trigonometry/csc/dcscs.c
index 31a6944..f9e128c 100644
--- a/src/c/elementaryFunctions/Trigonometry/csc/dcscs.c
+++ b/src/c/elementaryFunctions/Trigonometry/csc/dcscs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csc.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/csc/scsca.c b/src/c/elementaryFunctions/Trigonometry/csc/scsca.c
index 3e6963a..cea8338 100644
--- a/src/c/elementaryFunctions/Trigonometry/csc/scsca.c
+++ b/src/c/elementaryFunctions/Trigonometry/csc/scsca.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csc.h"
 
 void scsca(float* in,int size,float* out)
diff --git a/src/c/elementaryFunctions/Trigonometry/csc/scscs.c b/src/c/elementaryFunctions/Trigonometry/csc/scscs.c
index 6d1b1b7..f0ad15e 100644
--- a/src/c/elementaryFunctions/Trigonometry/csc/scscs.c
+++ b/src/c/elementaryFunctions/Trigonometry/csc/scscs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csc.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/csc/zcsca.c b/src/c/elementaryFunctions/Trigonometry/csc/zcsca.c
index 4b8cdad..5943092 100644
--- a/src/c/elementaryFunctions/Trigonometry/csc/zcsca.c
+++ b/src/c/elementaryFunctions/Trigonometry/csc/zcsca.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csc.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/csc/zcscs.c b/src/c/elementaryFunctions/Trigonometry/csc/zcscs.c
index bbb1526..64fce57 100644
--- a/src/c/elementaryFunctions/Trigonometry/csc/zcscs.c
+++ b/src/c/elementaryFunctions/Trigonometry/csc/zcscs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include <math.h>
 #include "sin.h"
 #include "cos.h"
@@ -9,10 +21,7 @@
 
 doubleComplex zcscs(doubleComplex z)
 {
-	doubleComplex out;
-	//out = zrdivs(DoubleComplex(1,0),zsins(z));
 	double real = zreals(z);
 	double imag = zimags(z);
 	return zrdivs(DoubleComplex(1,0),(DoubleComplex(dsins(real) * dcoshs(imag), dcoss(real) * dsinhs(imag))));
-	//return out;
 }
diff --git a/src/c/elementaryFunctions/Trigonometry/cscd/ccscda.c b/src/c/elementaryFunctions/Trigonometry/cscd/ccscda.c
index d18d3c7..ed13f9e 100644
--- a/src/c/elementaryFunctions/Trigonometry/cscd/ccscda.c
+++ b/src/c/elementaryFunctions/Trigonometry/cscd/ccscda.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csc.h"
 #include "cscd.h"
 #include <math.h>
diff --git a/src/c/elementaryFunctions/Trigonometry/cscd/ccscds.c b/src/c/elementaryFunctions/Trigonometry/cscd/ccscds.c
index 8f1f9f7..39b2576 100644
--- a/src/c/elementaryFunctions/Trigonometry/cscd/ccscds.c
+++ b/src/c/elementaryFunctions/Trigonometry/cscd/ccscds.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include <math.h>
 #include "sin.h"
 #include "cos.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/cscd/dcscda.c b/src/c/elementaryFunctions/Trigonometry/cscd/dcscda.c
index 43e0043..8ca3df9 100644
--- a/src/c/elementaryFunctions/Trigonometry/cscd/dcscda.c
+++ b/src/c/elementaryFunctions/Trigonometry/cscd/dcscda.c
@@ -1,15 +1,24 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "cscd.h"
 #include <math.h>
-#define PI 3.14159265
 
 void dcscda(double* in,int size,double* out)
 {
-   	double val;
    	int i=0;
-   	val = PI / 180.0;
    	for(i=0;i<size;i++)
 	{
-		out[i]=1/sin(in[i]*val);
+		out[i]=dcscds(in[i]);
 	}
 }
 
diff --git a/src/c/elementaryFunctions/Trigonometry/cscd/dcscds.c b/src/c/elementaryFunctions/Trigonometry/cscd/dcscds.c
index d9a0df9..af4dc30 100644
--- a/src/c/elementaryFunctions/Trigonometry/cscd/dcscds.c
+++ b/src/c/elementaryFunctions/Trigonometry/cscd/dcscds.c
@@ -1,3 +1,19 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifdef _WIN32
+	#define _USE_MATH_DEFINES
+#endif
+
 #include "cscd.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/cscd/scscda.c b/src/c/elementaryFunctions/Trigonometry/cscd/scscda.c
index 761d941..1793662 100644
--- a/src/c/elementaryFunctions/Trigonometry/cscd/scscda.c
+++ b/src/c/elementaryFunctions/Trigonometry/cscd/scscda.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "cscd.h"
 
 void scscda(float* in,int size,float* out)
diff --git a/src/c/elementaryFunctions/Trigonometry/cscd/scscds.c b/src/c/elementaryFunctions/Trigonometry/cscd/scscds.c
index d434854..ebf36d2 100644
--- a/src/c/elementaryFunctions/Trigonometry/cscd/scscds.c
+++ b/src/c/elementaryFunctions/Trigonometry/cscd/scscds.c
@@ -1,3 +1,20 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#ifdef _WIN32
+	#define _USE_MATH_DEFINES
+#endif
+
+
 #include "cscd.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/cscd/zcscda.c b/src/c/elementaryFunctions/Trigonometry/cscd/zcscda.c
index 02f9e3b..a8a617c 100644
--- a/src/c/elementaryFunctions/Trigonometry/cscd/zcscda.c
+++ b/src/c/elementaryFunctions/Trigonometry/cscd/zcscda.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csc.h"
 #include "cscd.h"
 #include <math.h>
diff --git a/src/c/elementaryFunctions/Trigonometry/cscd/zcscds.c b/src/c/elementaryFunctions/Trigonometry/cscd/zcscds.c
index 351c8ff..47d5dfc 100644
--- a/src/c/elementaryFunctions/Trigonometry/cscd/zcscds.c
+++ b/src/c/elementaryFunctions/Trigonometry/cscd/zcscds.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include <math.h>
 #include "sin.h"
 #include "cos.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/csch/ccscha.c b/src/c/elementaryFunctions/Trigonometry/csch/ccscha.c
index 02a9ec1..a95da20 100644
--- a/src/c/elementaryFunctions/Trigonometry/csch/ccscha.c
+++ b/src/c/elementaryFunctions/Trigonometry/csch/ccscha.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csch.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/csch/ccschs.c b/src/c/elementaryFunctions/Trigonometry/csch/ccschs.c
index 177a9fa..ddcc733 100644
--- a/src/c/elementaryFunctions/Trigonometry/csch/ccschs.c
+++ b/src/c/elementaryFunctions/Trigonometry/csch/ccschs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csch.h"
 #include "sinh.h"
 #include "sin.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/csch/dcscha.c b/src/c/elementaryFunctions/Trigonometry/csch/dcscha.c
index ce87b6f..3248905 100644
--- a/src/c/elementaryFunctions/Trigonometry/csch/dcscha.c
+++ b/src/c/elementaryFunctions/Trigonometry/csch/dcscha.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csch.h"
 
 void dcscha(double* in, int size, double* out) {
diff --git a/src/c/elementaryFunctions/Trigonometry/csch/dcschs.c b/src/c/elementaryFunctions/Trigonometry/csch/dcschs.c
index 3b22544..7b1f15a 100644
--- a/src/c/elementaryFunctions/Trigonometry/csch/dcschs.c
+++ b/src/c/elementaryFunctions/Trigonometry/csch/dcschs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csch.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/csch/scscha.c b/src/c/elementaryFunctions/Trigonometry/csch/scscha.c
index 880ffaa..18d5ea7 100644
--- a/src/c/elementaryFunctions/Trigonometry/csch/scscha.c
+++ b/src/c/elementaryFunctions/Trigonometry/csch/scscha.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csch.h"
 
 void scscha(float* in, int size, float* out) {
diff --git a/src/c/elementaryFunctions/Trigonometry/csch/scschs.c b/src/c/elementaryFunctions/Trigonometry/csch/scschs.c
index 8cd4e62..ec55085 100644
--- a/src/c/elementaryFunctions/Trigonometry/csch/scschs.c
+++ b/src/c/elementaryFunctions/Trigonometry/csch/scschs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csch.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/csch/zcscha.c b/src/c/elementaryFunctions/Trigonometry/csch/zcscha.c
index ae659de..fab5cc4 100644
--- a/src/c/elementaryFunctions/Trigonometry/csch/zcscha.c
+++ b/src/c/elementaryFunctions/Trigonometry/csch/zcscha.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csch.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/csch/zcschs.c b/src/c/elementaryFunctions/Trigonometry/csch/zcschs.c
index f3a9b22..33a4fcc 100644
--- a/src/c/elementaryFunctions/Trigonometry/csch/zcschs.c
+++ b/src/c/elementaryFunctions/Trigonometry/csch/zcschs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "csch.h"
 #include "sinh.h"
 #include "sin.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/sec/cseca.c b/src/c/elementaryFunctions/Trigonometry/sec/cseca.c
index 139360a..fcb9b81 100644
--- a/src/c/elementaryFunctions/Trigonometry/sec/cseca.c
+++ b/src/c/elementaryFunctions/Trigonometry/sec/cseca.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "sec.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/sec/csecs.c b/src/c/elementaryFunctions/Trigonometry/sec/csecs.c
index 51ea224..c2d9b9e 100644
--- a/src/c/elementaryFunctions/Trigonometry/sec/csecs.c
+++ b/src/c/elementaryFunctions/Trigonometry/sec/csecs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "sec.h"
 #include "cos.h"
 #include <math.h>
diff --git a/src/c/elementaryFunctions/Trigonometry/sec/dseca.c b/src/c/elementaryFunctions/Trigonometry/sec/dseca.c
index 986b52f..c39f7c6 100644
--- a/src/c/elementaryFunctions/Trigonometry/sec/dseca.c
+++ b/src/c/elementaryFunctions/Trigonometry/sec/dseca.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "sec.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/sec/dsecs.c b/src/c/elementaryFunctions/Trigonometry/sec/dsecs.c
index 9135ad1..5278b37 100644
--- a/src/c/elementaryFunctions/Trigonometry/sec/dsecs.c
+++ b/src/c/elementaryFunctions/Trigonometry/sec/dsecs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include <math.h>
 #include "sec.h"
 
diff --git a/src/c/elementaryFunctions/Trigonometry/sec/sseca.c b/src/c/elementaryFunctions/Trigonometry/sec/sseca.c
index f5fd81b..0ac7cc6 100644
--- a/src/c/elementaryFunctions/Trigonometry/sec/sseca.c
+++ b/src/c/elementaryFunctions/Trigonometry/sec/sseca.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "sec.h"
 
 void sseca(float* in, int size, float* out) {
diff --git a/src/c/elementaryFunctions/Trigonometry/sec/ssecs.c b/src/c/elementaryFunctions/Trigonometry/sec/ssecs.c
index 2c9e018..ad48000 100644
--- a/src/c/elementaryFunctions/Trigonometry/sec/ssecs.c
+++ b/src/c/elementaryFunctions/Trigonometry/sec/ssecs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include <math.h>
 #include "sec.h"
 
diff --git a/src/c/elementaryFunctions/Trigonometry/sec/zseca.c b/src/c/elementaryFunctions/Trigonometry/sec/zseca.c
index 7a80291..dec365d 100644
--- a/src/c/elementaryFunctions/Trigonometry/sec/zseca.c
+++ b/src/c/elementaryFunctions/Trigonometry/sec/zseca.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "sec.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/sec/zsecs.c b/src/c/elementaryFunctions/Trigonometry/sec/zsecs.c
index b5468db..9629db7 100644
--- a/src/c/elementaryFunctions/Trigonometry/sec/zsecs.c
+++ b/src/c/elementaryFunctions/Trigonometry/sec/zsecs.c
@@ -1,57 +1,26 @@
-/*//#include "sec.h"
-//#include "cos.h"
-//#include <math.h>
-//#include "doubleComplex.h"
-//#include "division.h"
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
 */
 
-/*#include <math.h>
-#include "sin.h"
+
+#include "sec.h"
 #include "cos.h"
-#include "sinh.h"
-#include "cosh.h"
-#include "csc.h"
+#include <math.h>
+#include "doubleComplex.h"
 #include "division.h"
-*/
-#include <complex.h>
-#include <stdio.h>
 
-/*doubleComplex zsecs(doubleComplex z)
+doubleComplex zsecs(doubleComplex z)
 {
 	
 	doubleComplex out;
 	out = zrdivs(DoubleComplex(1,0),zcoss(z));
 	return out;
-}
-*/
-void zsecs(double complex z)
-{
-	
-	//double complex out;
-	/*out = zrdivs(DoubleComplex(1,0),zcoss(z));
-	return out;
-}*/
-
-	double complex out = 1.0/(ccos(z));
-	if(cimag(out)==0.0)
-	{
-		printf("%.7lf\n",creal(out));
-		//out=creal(out);
-	}
-	else if(creal(out)==0.0)
-	{
-		printf("%.7lfi\n",cimag(out));
-		//out=cimag(out);
-	}
-	else if(creal(out)!=0.0 && cimag(out)<0.0)
-	{
-		printf("%.7lf %.7lfi\n",creal(out),cimag(out));
-		//out=x;
-	}
-	else
-	{
-		printf("%.7lf + %.7lfi\n", creal(out), cimag(out));
-		//out=x;
-	}
-    //return out;
-}
+}
\ No newline at end of file
diff --git a/src/c/elementaryFunctions/Trigonometry/secd/dsecda.c b/src/c/elementaryFunctions/Trigonometry/secd/dsecda.c
index 028595c..f9f70f0 100644
--- a/src/c/elementaryFunctions/Trigonometry/secd/dsecda.c
+++ b/src/c/elementaryFunctions/Trigonometry/secd/dsecda.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "secd.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/secd/dsecds.c b/src/c/elementaryFunctions/Trigonometry/secd/dsecds.c
index 7b08a46..aa95f29 100644
--- a/src/c/elementaryFunctions/Trigonometry/secd/dsecds.c
+++ b/src/c/elementaryFunctions/Trigonometry/secd/dsecds.c
@@ -1,3 +1,21 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#ifdef _WIN32
+	#define _USE_MATH_DEFINES
+#endif
+
+
 #include <math.h>
 #include "sec.h"
 #include "secd.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/secd/ssecda.c b/src/c/elementaryFunctions/Trigonometry/secd/ssecda.c
index 6267f94..c1fc5e5 100644
--- a/src/c/elementaryFunctions/Trigonometry/secd/ssecda.c
+++ b/src/c/elementaryFunctions/Trigonometry/secd/ssecda.c
@@ -1,3 +1,16 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
 #include "sec.h"
 #include "secd.h"
 
diff --git a/src/c/elementaryFunctions/Trigonometry/secd/ssecds.c b/src/c/elementaryFunctions/Trigonometry/secd/ssecds.c
index 3fabb22..eaf3a29 100644
--- a/src/c/elementaryFunctions/Trigonometry/secd/ssecds.c
+++ b/src/c/elementaryFunctions/Trigonometry/secd/ssecds.c
@@ -1,3 +1,20 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+
+#ifdef _WIN32
+	#define _USE_MATH_DEFINES
+#endif
+
 #include <math.h>
 #include "secd.h"
 #include "sec.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/sech/csecha.c b/src/c/elementaryFunctions/Trigonometry/sech/csecha.c
index dcd76d5..c8d52d8 100644
--- a/src/c/elementaryFunctions/Trigonometry/sech/csecha.c
+++ b/src/c/elementaryFunctions/Trigonometry/sech/csecha.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "sech.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/sech/csechs.c b/src/c/elementaryFunctions/Trigonometry/sech/csechs.c
index 37ba6d9..e707e8b 100644
--- a/src/c/elementaryFunctions/Trigonometry/sech/csechs.c
+++ b/src/c/elementaryFunctions/Trigonometry/sech/csechs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "sech.h"
 #include "sec.h"
 #include <math.h>
diff --git a/src/c/elementaryFunctions/Trigonometry/sech/dsecha.c b/src/c/elementaryFunctions/Trigonometry/sech/dsecha.c
index cfab81f..4092c9e 100644
--- a/src/c/elementaryFunctions/Trigonometry/sech/dsecha.c
+++ b/src/c/elementaryFunctions/Trigonometry/sech/dsecha.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "sech.h"
 #include <math.h>
 void dsecha(double* in,int size,double* out)
diff --git a/src/c/elementaryFunctions/Trigonometry/sech/dsechs.c b/src/c/elementaryFunctions/Trigonometry/sech/dsechs.c
index 10ca392..fdcfd69 100644
--- a/src/c/elementaryFunctions/Trigonometry/sech/dsechs.c
+++ b/src/c/elementaryFunctions/Trigonometry/sech/dsechs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include <math.h>
 #include "sech.h"
 #include "cosh.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/sech/ssecha.c b/src/c/elementaryFunctions/Trigonometry/sech/ssecha.c
index 1d26563..d7e71b3 100644
--- a/src/c/elementaryFunctions/Trigonometry/sech/ssecha.c
+++ b/src/c/elementaryFunctions/Trigonometry/sech/ssecha.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "sech.h"
 #include <math.h>
 void ssecha(float* in,int size,float* out)
diff --git a/src/c/elementaryFunctions/Trigonometry/sech/ssechs.c b/src/c/elementaryFunctions/Trigonometry/sech/ssechs.c
index f582fd7..9fcd50b 100644
--- a/src/c/elementaryFunctions/Trigonometry/sech/ssechs.c
+++ b/src/c/elementaryFunctions/Trigonometry/sech/ssechs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include <math.h>
 #include "sech.h"
 #include "cosh.h"
diff --git a/src/c/elementaryFunctions/Trigonometry/sech/zsecha.c b/src/c/elementaryFunctions/Trigonometry/sech/zsecha.c
index c48f8da..a3c3189 100644
--- a/src/c/elementaryFunctions/Trigonometry/sech/zsecha.c
+++ b/src/c/elementaryFunctions/Trigonometry/sech/zsecha.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "sech.h"
 #include <math.h>
 
diff --git a/src/c/elementaryFunctions/Trigonometry/sech/zsechs.c b/src/c/elementaryFunctions/Trigonometry/sech/zsechs.c
index 93c95b3..d23d2ef 100644
--- a/src/c/elementaryFunctions/Trigonometry/sech/zsechs.c
+++ b/src/c/elementaryFunctions/Trigonometry/sech/zsechs.c
@@ -1,3 +1,15 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Shamik Guha
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
 #include "sech.h"
 #include "sec.h"
 #include <math.h>