From b9cfdca438347fe4d28f7caff3cb7b382e455d3a Mon Sep 17 00:00:00 2001
From: siddhu8990
Date: Wed, 19 Apr 2017 14:57:49 +0530
Subject: Merged Shamik's work

---
 .../elementaryFunctions/Trigonometry/cosd/dcosda.c | 14 ++++++
 .../elementaryFunctions/Trigonometry/cosd/dcosds.c | 11 +++++
 .../elementaryFunctions/Trigonometry/cosd/scosda.c |  9 ++++
 .../elementaryFunctions/Trigonometry/cosd/scosds.c | 11 +++++
 .../elementaryFunctions/Trigonometry/cotd/dcotda.c | 16 ++++++
 .../elementaryFunctions/Trigonometry/cotd/dcotds.c |  9 ++++
 .../elementaryFunctions/Trigonometry/cotd/scotda.c |  9 ++++
 .../elementaryFunctions/Trigonometry/cotd/scotds.c |  7 +++
 .../elementaryFunctions/Trigonometry/coth/ccotha.c | 12 +++++
 .../elementaryFunctions/Trigonometry/coth/ccoths.c | 14 ++++++
 .../elementaryFunctions/Trigonometry/coth/dcotha.c | 14 ++++++
 .../elementaryFunctions/Trigonometry/coth/dcoths.c | 10 ++++
 .../elementaryFunctions/Trigonometry/coth/scotha.c | 14 ++++++
 .../elementaryFunctions/Trigonometry/coth/scoths.c | 10 ++++
 .../elementaryFunctions/Trigonometry/coth/zcotha.c | 11 +++++
 .../elementaryFunctions/Trigonometry/coth/zcoths.c | 14 ++++++
 .../c/elementaryFunctions/Trigonometry/csc/ccsca.c | 11 +++++
 .../c/elementaryFunctions/Trigonometry/csc/ccscs.c | 16 ++++++
 .../c/elementaryFunctions/Trigonometry/csc/dcsca.c | 10 ++++
 .../c/elementaryFunctions/Trigonometry/csc/dcscs.c |  9 ++++
 .../c/elementaryFunctions/Trigonometry/csc/scsca.c | 10 ++++
 .../c/elementaryFunctions/Trigonometry/csc/scscs.c |  9 ++++
 .../c/elementaryFunctions/Trigonometry/csc/zcsca.c | 11 +++++
 .../c/elementaryFunctions/Trigonometry/csc/zcscs.c | 19 ++++++++
 .../elementaryFunctions/Trigonometry/cscd/ccscda.c | 12 +++++
 .../elementaryFunctions/Trigonometry/cscd/ccscds.c | 17 +++++++
 .../elementaryFunctions/Trigonometry/cscd/dcscda.c | 15 ++++++
 .../elementaryFunctions/Trigonometry/cscd/dcscds.c | 11 +++++
 .../elementaryFunctions/Trigonometry/cscd/scscda.c | 10 ++++
 .../elementaryFunctions/Trigonometry/cscd/scscds.c | 10 ++++
 .../elementaryFunctions/Trigonometry/cscd/zcscda.c | 12 +++++
 .../elementaryFunctions/Trigonometry/cscd/zcscds.c | 17 +++++++
 .../elementaryFunctions/Trigonometry/csch/ccscha.c | 11 +++++
 .../elementaryFunctions/Trigonometry/csch/ccschs.c | 14 ++++++
 .../elementaryFunctions/Trigonometry/csch/dcscha.c |  8 +++
 .../elementaryFunctions/Trigonometry/csch/dcschs.c |  9 ++++
 .../elementaryFunctions/Trigonometry/csch/scscha.c |  8 +++
 .../elementaryFunctions/Trigonometry/csch/scschs.c |  9 ++++
 .../elementaryFunctions/Trigonometry/csch/zcscha.c | 11 +++++
 .../elementaryFunctions/Trigonometry/csch/zcschs.c | 14 ++++++
 .../c/elementaryFunctions/Trigonometry/sec/cseca.c | 11 +++++
 .../c/elementaryFunctions/Trigonometry/sec/csecs.c | 13 +++++
 .../c/elementaryFunctions/Trigonometry/sec/dseca.c | 11 +++++
 .../c/elementaryFunctions/Trigonometry/sec/dsecs.c |  7 +++
 .../c/elementaryFunctions/Trigonometry/sec/sseca.c |  8 +++
 .../c/elementaryFunctions/Trigonometry/sec/ssecs.c |  7 +++
 .../c/elementaryFunctions/Trigonometry/sec/zseca.c | 11 +++++
 .../c/elementaryFunctions/Trigonometry/sec/zsecs.c | 57 ++++++++++++++++++++++
 .../elementaryFunctions/Trigonometry/secd/dsecda.c | 11 +++++
 .../elementaryFunctions/Trigonometry/secd/dsecds.c |  8 +++
 .../elementaryFunctions/Trigonometry/secd/ssecda.c |  9 ++++
 .../elementaryFunctions/Trigonometry/secd/ssecds.c |  7 +++
 .../elementaryFunctions/Trigonometry/sech/csecha.c | 11 +++++
 .../elementaryFunctions/Trigonometry/sech/csechs.c | 15 ++++++
 .../elementaryFunctions/Trigonometry/sech/dsecha.c | 10 ++++
 .../elementaryFunctions/Trigonometry/sech/dsechs.c | 10 ++++
 .../elementaryFunctions/Trigonometry/sech/ssecha.c | 10 ++++
 .../elementaryFunctions/Trigonometry/sech/ssechs.c | 10 ++++
 .../elementaryFunctions/Trigonometry/sech/zsecha.c | 11 +++++
 .../elementaryFunctions/Trigonometry/sech/zsechs.c | 15 ++++++
 60 files changed, 720 insertions(+)
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/dcosda.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/dcosds.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/scosda.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/scosds.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/dcotda.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/dcotds.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/scotda.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/scotds.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/coth/ccotha.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/coth/ccoths.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/coth/dcotha.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/coth/dcoths.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/coth/scotha.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/coth/scoths.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/coth/zcotha.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/coth/zcoths.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csc/ccsca.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csc/ccscs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csc/dcsca.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csc/dcscs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csc/scsca.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csc/scscs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csc/zcsca.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csc/zcscs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/ccscda.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/ccscds.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/dcscda.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/dcscds.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/scscda.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/scscds.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/zcscda.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/zcscds.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csch/ccscha.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csch/ccschs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csch/dcscha.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csch/dcschs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csch/scscha.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csch/scschs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csch/zcscha.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/csch/zcschs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sec/cseca.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sec/csecs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sec/dseca.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sec/dsecs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sec/sseca.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sec/ssecs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sec/zseca.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sec/zsecs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/secd/dsecda.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/secd/dsecds.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/secd/ssecda.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/secd/ssecds.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sech/csecha.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sech/csechs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sech/dsecha.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sech/dsechs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sech/ssecha.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sech/ssechs.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sech/zsecha.c
 create mode 100644 2.3-1/src/c/elementaryFunctions/Trigonometry/sech/zsechs.c

(limited to '2.3-1/src/c/elementaryFunctions/Trigonometry')

diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/dcosda.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/dcosda.c
new file mode 100644
index 00000000..b48876e3
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/dcosda.c
@@ -0,0 +1,14 @@
+#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);
+	}
+}
+
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/dcosds.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/dcosds.c
new file mode 100644
index 00000000..45507577
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/dcosds.c
@@ -0,0 +1,11 @@
+#include <math.h>
+#include "cos.h"
+#include "cosd.h"
+
+double	       dcosds(double in) 
+{
+	if(cos((M_PI/180.0)*in)==0.0)
+		return 0.0;
+	else
+	        return (cos((M_PI/180.0)*in));
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/scosda.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/scosda.c
new file mode 100644
index 00000000..5224899b
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/scosda.c
@@ -0,0 +1,9 @@
+#include "cos.h"
+#include "cosd.h"
+
+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/2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/scosds.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/scosds.c
new file mode 100644
index 00000000..e99a1952
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cosd/scosds.c
@@ -0,0 +1,11 @@
+#include <math.h>
+#include "cosd.h"
+#include "cos.h"
+
+float		scosds(float in) 
+{
+	if(cosf((M_PI/180.0)*in)==0.0)
+		return 0.0;
+	else
+		return (cosf((M_PI/180.0)*in));
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/dcotda.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/dcotda.c
new file mode 100644
index 00000000..3cf032a1
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/dcotda.c
@@ -0,0 +1,16 @@
+#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]);*/
+	}
+}
+
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/dcotds.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/dcotds.c
new file mode 100644
index 00000000..4ba95b84
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/dcotds.c
@@ -0,0 +1,9 @@
+#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/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/scotda.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/scotda.c
new file mode 100644
index 00000000..fd5a1e11
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/scotda.c
@@ -0,0 +1,9 @@
+
+#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]);
+  }
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/scotds.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/scotds.c
new file mode 100644
index 00000000..d635dbcd
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/scotds.c
@@ -0,0 +1,7 @@
+#include <math.h>
+#include "cotd.h"
+
+float	scotds(float in) 
+{
+  return (1/tanf((M_PI/180.0)*in));
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/ccotha.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/ccotha.c
new file mode 100644
index 00000000..4e794512
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/ccotha.c
@@ -0,0 +1,12 @@
+#include "coth.h"
+#include <math.h>
+
+void ccotha(floatComplex* in, int size,floatComplex* out)
+{
+	int i = 0;
+	for (i=0;i<size;i++)
+	{
+		out[i] = ccoths(in[i]);
+	}
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/ccoths.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/ccoths.c
new file mode 100644
index 00000000..564b8e69
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/ccoths.c
@@ -0,0 +1,14 @@
+#include <math.h>
+#include "coth.h"
+#include <math.h>
+#include "tanh.h"
+#include "floatComplex.h"
+#include "division.h"
+
+floatComplex ccoths(floatComplex z)
+{
+	
+	floatComplex out;
+	out = crdivs(FloatComplex(1,0), ctanhs(z));
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/dcotha.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/dcotha.c
new file mode 100644
index 00000000..f6304f58
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/dcotha.c
@@ -0,0 +1,14 @@
+#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/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/dcoths.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/dcoths.c
new file mode 100644
index 00000000..bf6bb78d
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/dcoths.c
@@ -0,0 +1,10 @@
+#include <math.h>
+#include "coth.h"
+#include "cosh.h"
+#include "cos.h"
+#include "sinh.h"
+#include "sin.h"
+
+double	       dcoths(double in) {
+  return (cosh(in)/sinh(in));
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/scotha.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/scotha.c
new file mode 100644
index 00000000..3fdf37f7
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/scotha.c
@@ -0,0 +1,14 @@
+#include "coth.h"
+#include <math.h>
+
+void scotha(float* in,int size,float* out)
+{
+   	float 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/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/scoths.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/scoths.c
new file mode 100644
index 00000000..107945e5
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/scoths.c
@@ -0,0 +1,10 @@
+#include <math.h>
+#include "coth.h"
+#include "cosh.h"
+#include "cos.h"
+#include "sinh.h"
+#include "sin.h"
+
+float	       scoths(float in) {
+  return (cosh(in)/sinh(in));
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/zcotha.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/zcotha.c
new file mode 100644
index 00000000..dcbb2844
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/zcotha.c
@@ -0,0 +1,11 @@
+#include "coth.h"
+#include <math.h>
+
+void zcotha(doubleComplex* in, int size,doubleComplex* out)
+{
+	int i = 0;
+	for (i=0;i<size;i++)
+	{
+		out[i] = zcoths(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/zcoths.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/zcoths.c
new file mode 100644
index 00000000..2eed86bb
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/coth/zcoths.c
@@ -0,0 +1,14 @@
+#include "coth.h"
+#include "tanh.h"
+#include "tan.h"
+#include <math.h>
+#include "doubleComplex.h"
+#include "division.h"
+
+doubleComplex zcoths(doubleComplex z)
+{
+	
+	doubleComplex out;
+	out = zrdivs(DoubleComplex(1,0),ztanhs(z));
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/ccsca.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/ccsca.c
new file mode 100644
index 00000000..5f5504a5
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/ccsca.c
@@ -0,0 +1,11 @@
+#include "csc.h"
+#include <math.h>
+
+void ccsca(floatComplex* in, int size,floatComplex* out)
+{
+	int i = 0;
+	for (i=0;i<size;i++)
+	{
+		out[i] = ccscs(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/ccscs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/ccscs.c
new file mode 100644
index 00000000..af8b3eb2
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/ccscs.c
@@ -0,0 +1,16 @@
+#include <math.h>
+#include "sin.h"
+#include "cos.h"
+#include "sinh.h"
+#include "cosh.h"
+#include "csc.h"
+#include "floatComplex.h"
+#include "division.h"
+
+floatComplex ccscs(floatComplex z)
+{
+	
+	floatComplex out;
+	out = crdivs(FloatComplex(1,0),csins(z));
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/dcsca.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/dcsca.c
new file mode 100644
index 00000000..eeedea52
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/dcsca.c
@@ -0,0 +1,10 @@
+#include "csc.h"
+
+void dcsca(double* in,int size,double* out)
+{
+  int i = 0;
+  for (i = 0;i<size;++i)
+  {
+    out[i] = dcscs(in[i]);
+  }
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/dcscs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/dcscs.c
new file mode 100644
index 00000000..31a6944e
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/dcscs.c
@@ -0,0 +1,9 @@
+#include "csc.h"
+#include <math.h>
+
+double dcscs(double in)
+{
+   	double out;
+	out=1/sin(in);
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/scsca.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/scsca.c
new file mode 100644
index 00000000..3e6963ac
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/scsca.c
@@ -0,0 +1,10 @@
+#include "csc.h"
+
+void scsca(float* in,int size,float* out)
+{
+  int i = 0;
+  for (i = 0;i<size;++i)
+  {
+    out[i] = scscs(in[i]);
+  }
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/scscs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/scscs.c
new file mode 100644
index 00000000..6d1b1b7f
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/scscs.c
@@ -0,0 +1,9 @@
+#include "csc.h"
+#include <math.h>
+
+float scscs(float in)
+{
+   	float out;
+	out=1/sin(in);
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/zcsca.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/zcsca.c
new file mode 100644
index 00000000..4b8cdad6
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/zcsca.c
@@ -0,0 +1,11 @@
+#include "csc.h"
+#include <math.h>
+
+void zcsca(doubleComplex* in, int size,doubleComplex* out)
+{
+	int i = 0;
+	for (i=0;i<size;i++)
+	{
+		out[i] = zcscs(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/zcscs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/zcscs.c
new file mode 100644
index 00000000..c0b692dc
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csc/zcscs.c
@@ -0,0 +1,19 @@
+#include <math.h>
+#include "sin.h"
+#include "cos.h"
+#include "sinh.h"
+#include "cosh.h"
+#include "csc.h"
+#include "doubleComplex.h"
+#include "division.h"
+
+doubleComplex zcscs(doubleComplex z)
+{
+	doubleComplex out;
+	//out = zrdivs(DoubleComplex(1,0),zsins(z));
+	double real = zreals(z);
+	double imag = zimags(z);
+	printf("%d , %d",real,imag);
+return zrdivs(1+0*%i,(DoubleComplex(dsins(real) * dcoshs(imag), dcoss(real) * dsinhs(imag))));
+	//return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/ccscda.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/ccscda.c
new file mode 100644
index 00000000..d18d3c71
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/ccscda.c
@@ -0,0 +1,12 @@
+#include "csc.h"
+#include "cscd.h"
+#include <math.h>
+
+void ccscda(floatComplex* in, int size,floatComplex* out)
+{
+	int i = 0;
+	for (i=0;i<size;i++)
+	{
+		out[i] = ccscds(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/ccscds.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/ccscds.c
new file mode 100644
index 00000000..8f1f9f75
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/ccscds.c
@@ -0,0 +1,17 @@
+#include <math.h>
+#include "sin.h"
+#include "cos.h"
+#include "sinh.h"
+#include "cosh.h"
+#include "csc.h"
+#include "cscd.h"
+#include "floatComplex.h"
+#include "division.h"
+
+floatComplex ccscds(floatComplex z)
+{
+	
+	floatComplex out;
+	out = crdivs(FloatComplex(1,0),csins(z));
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/dcscda.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/dcscda.c
new file mode 100644
index 00000000..43e00430
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/dcscda.c
@@ -0,0 +1,15 @@
+#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);
+	}
+}
+
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/dcscds.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/dcscds.c
new file mode 100644
index 00000000..d9a0df9a
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/dcscds.c
@@ -0,0 +1,11 @@
+#include "cscd.h"
+#include <math.h>
+
+double dcscds(double in)
+{
+	double val;
+	val = (M_PI) / 180.0;
+   	double out;
+	out=1/sin(in*val);
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/scscda.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/scscda.c
new file mode 100644
index 00000000..761d9413
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/scscda.c
@@ -0,0 +1,10 @@
+#include "cscd.h"
+
+void scscda(float* in,int size,float* out)
+{
+  int i = 0;
+  for (i = 0;i<size;++i)
+  {
+    out[i] = scscds(in[i]);
+  }
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/scscds.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/scscds.c
new file mode 100644
index 00000000..d4348549
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/scscds.c
@@ -0,0 +1,10 @@
+#include "cscd.h"
+#include <math.h>
+
+float scscds(float in)
+{
+   	float out,val;
+	val=(M_PI)/180.0;
+	out=1/sin(in*val);
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/zcscda.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/zcscda.c
new file mode 100644
index 00000000..02f9e3b2
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/zcscda.c
@@ -0,0 +1,12 @@
+#include "csc.h"
+#include "cscd.h"
+#include <math.h>
+
+void zcscda(doubleComplex* in, int size,doubleComplex* out)
+{
+	int i = 0;
+	for (i=0;i<size;i++)
+	{
+		out[i] = zcscds(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/zcscds.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/zcscds.c
new file mode 100644
index 00000000..351c8ff2
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cscd/zcscds.c
@@ -0,0 +1,17 @@
+#include <math.h>
+#include "sin.h"
+#include "cos.h"
+#include "sinh.h"
+#include "cosh.h"
+#include "csc.h"
+#include "cscd.h"
+#include "doubleComplex.h"
+#include "division.h"
+
+doubleComplex zcscds(doubleComplex z)
+{
+	
+	doubleComplex out;
+	out = zrdivs(DoubleComplex(1,0),zsins(z));
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/ccscha.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/ccscha.c
new file mode 100644
index 00000000..02a9ec1d
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/ccscha.c
@@ -0,0 +1,11 @@
+#include "csch.h"
+#include <math.h>
+
+void ccscha(floatComplex* in, int size,floatComplex* out)
+{
+	int i = 0;
+	for (i=0;i<size;i++)
+	{
+		out[i] = ccschs(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/ccschs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/ccschs.c
new file mode 100644
index 00000000..177a9fa4
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/ccschs.c
@@ -0,0 +1,14 @@
+#include "csch.h"
+#include "sinh.h"
+#include "sin.h"
+#include <math.h>
+#include "floatComplex.h"
+#include "division.h"
+
+floatComplex ccschs(floatComplex z)
+{
+	
+	floatComplex out;
+	out = crdivs(FloatComplex(1,0),csinhs(z));
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/dcscha.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/dcscha.c
new file mode 100644
index 00000000..ce87b6f8
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/dcscha.c
@@ -0,0 +1,8 @@
+#include "csch.h"
+
+void dcscha(double* in, int size, double* out) {
+  int i = 0;
+  for (i = 0; i < size; ++i) {
+    out[i] = dcschs(in[i]);
+  }
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/dcschs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/dcschs.c
new file mode 100644
index 00000000..3b22544f
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/dcschs.c
@@ -0,0 +1,9 @@
+#include "csch.h"
+#include <math.h>
+
+double dcschs(double in)
+{
+   	double out;
+   	out=1/sinh(in);
+  	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/scscha.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/scscha.c
new file mode 100644
index 00000000..880ffaae
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/scscha.c
@@ -0,0 +1,8 @@
+#include "csch.h"
+
+void scscha(float* in, int size, float* out) {
+  int i = 0;
+  for (i = 0; i < size; ++i) {
+    out[i] = scschs(in[i]);
+  }
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/scschs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/scschs.c
new file mode 100644
index 00000000..8cd4e628
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/scschs.c
@@ -0,0 +1,9 @@
+#include "csch.h"
+#include <math.h>
+
+float scschs(float in)
+{
+   	float out;
+   	out=1/sinh(in);
+  	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/zcscha.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/zcscha.c
new file mode 100644
index 00000000..ae659dec
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/zcscha.c
@@ -0,0 +1,11 @@
+#include "csch.h"
+#include <math.h>
+
+void zcscha(doubleComplex* in, int size,doubleComplex* out)
+{
+	int i = 0;
+	for (i=0;i<size;i++)
+	{
+		out[i] = zcschs(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/zcschs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/zcschs.c
new file mode 100644
index 00000000..f3a9b227
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/csch/zcschs.c
@@ -0,0 +1,14 @@
+#include "csch.h"
+#include "sinh.h"
+#include "sin.h"
+#include <math.h>
+#include "doubleComplex.h"
+#include "division.h"
+
+doubleComplex zcschs(doubleComplex z)
+{
+	
+	doubleComplex out;
+	out = zrdivs(DoubleComplex(1,0),zsinhs(z));
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/cseca.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/cseca.c
new file mode 100644
index 00000000..139360af
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/cseca.c
@@ -0,0 +1,11 @@
+#include "sec.h"
+#include <math.h>
+
+void cseca(floatComplex* in, int size,floatComplex* out)
+{
+	int i = 0;
+	for (i=0;i<size;i++)
+	{
+		out[i] = csecs(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/csecs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/csecs.c
new file mode 100644
index 00000000..51ea2242
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/csecs.c
@@ -0,0 +1,13 @@
+#include "sec.h"
+#include "cos.h"
+#include <math.h>
+#include "floatComplex.h"
+#include "division.h"
+
+floatComplex csecs(floatComplex z)
+{
+	
+	floatComplex out;
+	out = crdivs(FloatComplex(1,0),ccoss(z));
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/dseca.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/dseca.c
new file mode 100644
index 00000000..986b52f3
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/dseca.c
@@ -0,0 +1,11 @@
+#include "sec.h"
+#include <math.h>
+
+void dseca(double* in,int size,double* out)
+{
+   	int i=0;
+   	for(i=0;i<size;i++)
+	{
+		out[i]=1/cos(in[i]);
+   	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/dsecs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/dsecs.c
new file mode 100644
index 00000000..9135ad14
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/dsecs.c
@@ -0,0 +1,7 @@
+#include <math.h>
+#include "sec.h"
+
+double dsecs(double in)
+{
+  return (1/cos(in));
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/sseca.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/sseca.c
new file mode 100644
index 00000000..f5fd81bc
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/sseca.c
@@ -0,0 +1,8 @@
+#include "sec.h"
+
+void sseca(float* in, int size, float* out) {
+  int i = 0;
+  for (i = 0; i < size; ++i) {
+    out[i] = ssecs(in[i]);
+  }
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/ssecs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/ssecs.c
new file mode 100644
index 00000000..2c9e018f
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/ssecs.c
@@ -0,0 +1,7 @@
+#include <math.h>
+#include "sec.h"
+
+float ssecs(float in)
+{
+  return (1/cos(in));
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/zseca.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/zseca.c
new file mode 100644
index 00000000..7a80291f
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/zseca.c
@@ -0,0 +1,11 @@
+#include "sec.h"
+#include <math.h>
+
+void zseca(doubleComplex* in, int size,doubleComplex* out)
+{
+	int i = 0;
+	for (i=0;i<size;i++)
+	{
+		out[i] = zsecs(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/zsecs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/zsecs.c
new file mode 100644
index 00000000..b5468db5
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/zsecs.c
@@ -0,0 +1,57 @@
+/*//#include "sec.h"
+//#include "cos.h"
+//#include <math.h>
+//#include "doubleComplex.h"
+//#include "division.h"
+*/
+
+/*#include <math.h>
+#include "sin.h"
+#include "cos.h"
+#include "sinh.h"
+#include "cosh.h"
+#include "csc.h"
+#include "division.h"
+*/
+#include <complex.h>
+#include <stdio.h>
+
+/*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;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/secd/dsecda.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/secd/dsecda.c
new file mode 100644
index 00000000..028595cd
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/secd/dsecda.c
@@ -0,0 +1,11 @@
+#include "secd.h"
+#include <math.h>
+
+void dsecda(double* in,int size,double* out)
+{
+   	int i=0;
+   	for(i=0;i<size;i++)
+	{
+		out[i]=dsecds(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/secd/dsecds.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/secd/dsecds.c
new file mode 100644
index 00000000..7b08a467
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/secd/dsecds.c
@@ -0,0 +1,8 @@
+#include <math.h>
+#include "sec.h"
+#include "secd.h"
+
+double	       dsecds(double in) 
+{
+  return (1/cos((M_PI/180.0)*in));
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/secd/ssecda.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/secd/ssecda.c
new file mode 100644
index 00000000..6267f943
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/secd/ssecda.c
@@ -0,0 +1,9 @@
+#include "sec.h"
+#include "secd.h"
+
+void ssecda(float* in, int size, float* out) {
+  int i = 0;
+  for (i = 0; i < size; ++i) {
+    out[i] = ssecds(in[i]);
+  }
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/secd/ssecds.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/secd/ssecds.c
new file mode 100644
index 00000000..3fabb225
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/secd/ssecds.c
@@ -0,0 +1,7 @@
+#include <math.h>
+#include "secd.h"
+#include "sec.h"
+
+float		ssecds(float in) {
+  return (1/cos((M_PI/180.0)*in));
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/csecha.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/csecha.c
new file mode 100644
index 00000000..dcd76d59
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/csecha.c
@@ -0,0 +1,11 @@
+#include "sech.h"
+#include <math.h>
+
+void csecha(floatComplex* in, int size,floatComplex* out)
+{
+	int i = 0;
+	for (i=0;i<size;i++)
+	{
+		out[i] = csechs(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/csechs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/csechs.c
new file mode 100644
index 00000000..37ba6d95
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/csechs.c
@@ -0,0 +1,15 @@
+#include "sech.h"
+#include "sec.h"
+#include <math.h>
+#include "cos.h"
+#include "cosh.h"
+#include "floatComplex.h"
+#include "division.h"
+
+floatComplex csechs(floatComplex z)
+{
+	
+	floatComplex out;
+	out = crdivs(FloatComplex(1,0),ccoshs(z));
+	return out;
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/dsecha.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/dsecha.c
new file mode 100644
index 00000000..cfab81ff
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/dsecha.c
@@ -0,0 +1,10 @@
+#include "sech.h"
+#include <math.h>
+void dsecha(double* in,int size,double* out)
+{
+	int i=0;
+   	for(i=0;i<size;i++)
+	{
+		out[i]=dsechs(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/dsechs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/dsechs.c
new file mode 100644
index 00000000..10ca392a
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/dsechs.c
@@ -0,0 +1,10 @@
+#include <math.h>
+#include "sech.h"
+#include "cosh.h"
+#include "cos.h"
+
+
+double dsechs(double in)
+{
+  return (1/cosh(in));
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/ssecha.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/ssecha.c
new file mode 100644
index 00000000..1d265639
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/ssecha.c
@@ -0,0 +1,10 @@
+#include "sech.h"
+#include <math.h>
+void ssecha(float* in,int size,float* out)
+{
+	int i=0;
+   	for(i=0;i<size;i++)
+	{
+		out[i]=ssechs(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/ssechs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/ssechs.c
new file mode 100644
index 00000000..f582fd79
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/ssechs.c
@@ -0,0 +1,10 @@
+#include <math.h>
+#include "sech.h"
+#include "cosh.h"
+#include "cos.h"
+
+
+float ssechs(float in)
+{
+  return (1/cosh(in));
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/zsecha.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/zsecha.c
new file mode 100644
index 00000000..c48f8dab
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/zsecha.c
@@ -0,0 +1,11 @@
+#include "sech.h"
+#include <math.h>
+
+void zsecha(doubleComplex* in, int size,doubleComplex* out)
+{
+	int i = 0;
+	for (i=0;i<size;i++)
+	{
+		out[i] = zsechs(in[i]);
+	}
+}
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/zsechs.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/zsechs.c
new file mode 100644
index 00000000..93c95b3f
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sech/zsechs.c
@@ -0,0 +1,15 @@
+#include "sech.h"
+#include "sec.h"
+#include <math.h>
+#include "cos.h"
+#include "cosh.h"
+#include "doubleComplex.h"
+#include "division.h"
+
+doubleComplex zsechs(doubleComplex z)
+{
+	
+	doubleComplex out;
+	out = zrdivs(DoubleComplex(1,0),zcoshs(z));
+	return out;
+}
-- 
cgit