Functions added - string related and signal processing

4 files changed, 112 insertions, 0 deletions

diff --git a/2.3-1/src/c/signalProcessing/buttmag/buttmag.h b/2.3-1/src/c/signalProcessing/buttmag/buttmag.h
new file mode 100644
index 00000000..47e64af8
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/buttmag/buttmag.h
@@ -0,0 +1,28 @@
+/* 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: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __BUTTMAG_H__
+#define __BUTTMAG_H__
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void dbuttmags(double order, double omegac, int size, double* sample,double* out);
+
+#ifdef __cplusplus
+} /* extern "C"*/
+#endif
+
+#endif /* __BUTTMAG_H__ */
+
diff --git a/2.3-1/src/c/signalProcessing/buttmag/dbuttmags.c b/2.3-1/src/c/signalProcessing/buttmag/dbuttmags.c
new file mode 100644
index 00000000..dc40e814
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/buttmag/dbuttmags.c
@@ -0,0 +1,33 @@
+/* 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 "buttmag.h"
+void dbuttmags(double order, double omegac,double* sample,int size,double* out)
+{
+	double ones[size];
+	int j,k;
+	for(j=0;j<size;j++)
+	{
+	ones[j]=1.0;
+	}
+	//double h[size];
+	for(k=0;k<size;k++)
+	{
+	double x=ones[k]/(ones[k]+pow((sample[k]/omegac),(2*order)));
+	out[k]=x;
+	//printf("%lf\n",h[k]);
+	}
+	
+}
+
diff --git a/2.3-1/src/c/signalProcessing/buttmag/int_buttmag.h b/2.3-1/src/c/signalProcessing/buttmag/int_buttmag.h
new file mode 100644
index 00000000..9867438e
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/buttmag/int_buttmag.h
@@ -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: Ankit Raj
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+ */
+
+#ifndef __INT_BUTTMAG_H__
+#define __INT_BUTTMAG_H__
+
+#define d0d0d2buttmagd2(order,omegac,size,sample,out) dbuttmags(order,omegac,size,sample,out)
+
+#endif /* !INT_BUTTMAG_H__! */
diff --git a/2.3-1/src/c/signalProcessing/buttmag/u8buttmags.c b/2.3-1/src/c/signalProcessing/buttmag/u8buttmags.c
new file mode 100644
index 00000000..e7b52c22
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/buttmag/u8buttmags.c
@@ -0,0 +1,33 @@
+/* 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 "buttmag.h"
+void dbuttmags(int order, int omegac,double* sample,int size,double* out)
+{
+	double ones[size];
+	int j,k;
+	for(j=0;j<size;j++)
+	{
+	ones[j]=1.0;
+	}
+	//double h[size];
+	for(k=0;k<size;k++)
+	{
+	double x=ones[k]/(ones[k]+pow((sample[k]/omegac),(2*order)));
+	out[k]=x;
+	//printf("%lf\n",h[k]);
+	}
+	
+}
+