4 files changed, 75 insertions, 0 deletions
diff --git a/src/c/elementaryFunctions/tand/dtanda.c b/src/c/elementaryFunctions/tand/dtanda.c
new file mode 100644
index 0000000..e5d56a8
--- /dev/null
+++ b/src/c/elementaryFunctions/tand/dtanda.c
@@ -0,0 +1,19 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Brijesh Gupta C R
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include "tand.h"
+
+void dtanda(double* x, int size, double* y) {
+  int i = 0;
+  for (i = 0; i < size; ++i) {
+    y[i] = dtands(x[i]);
+  }
+}
diff --git a/src/c/elementaryFunctions/tand/dtands.c b/src/c/elementaryFunctions/tand/dtands.c
new file mode 100644
index 0000000..6fda5b7
--- /dev/null
+++ b/src/c/elementaryFunctions/tand/dtands.c
@@ -0,0 +1,18 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Brijesh Gupta C R
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include <math.h>
+#include "tand.h"
+#define PI 3.1415927
+
+double	       dtands(double x) {
+  return tan(x*PI/180);
+}
diff --git a/src/c/elementaryFunctions/tand/standa.c b/src/c/elementaryFunctions/tand/standa.c
new file mode 100644
index 0000000..e37f5a0
--- /dev/null
+++ b/src/c/elementaryFunctions/tand/standa.c
@@ -0,0 +1,19 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Brijesh Gupta C R
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include "tand.h"
+
+void standa(float* x, int size, double* y) {
+  int i = 0;
+  for (i = 0; i < size; ++i) {
+    y[i] = stands(x[i]);
+  }
+}
diff --git a/src/c/elementaryFunctions/tand/stands.c b/src/c/elementaryFunctions/tand/stands.c
new file mode 100644
index 0000000..4d66701
--- /dev/null
+++ b/src/c/elementaryFunctions/tand/stands.c
@@ -0,0 +1,19 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Brijesh Gupta C R
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include <math.h>
+#include "tand.h"
+#include "tan.h"
+#define PI 3.1415927
+
+float	       stands(float x) {
+  return stans(x*PI/180);
+}