diff options
Diffstat (limited to 'src/c/elementaryFunctions/Trigonometry/sinc')
4 files changed, 122 insertions, 0 deletions
diff --git a/src/c/elementaryFunctions/Trigonometry/sinc/dsinca.c b/src/c/elementaryFunctions/Trigonometry/sinc/dsinca.c new file mode 100644 index 0000000..0cd24e9 --- /dev/null +++ b/src/c/elementaryFunctions/Trigonometry/sinc/dsinca.c @@ -0,0 +1,46 @@ +/* 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 + */ +#include<stdio.h> +#include<math.h> +#include "sinc.h" +#define PI 3.14159265358979 +void dsinca(double* sample,int size,double* oup) +{ + int j; + for(j=0;j<size;j++) + { + if(sample[j]==0) + { + oup[j]=1; + } + else + { + oup[j]=(sin(sample[j]))/(sample[j]); + } + } +} +/* +int main() +{ + int n; + printf("Enter the length of the array"); + scanf("%d",&n); + double arr[100000]; + int i; + printf("Now enter the element of the array"); + for(i=0;i<n;i++) + { + scanf("%ld",&arr[i]); + } + sinc(arr[],n); +} +*/ diff --git a/src/c/elementaryFunctions/Trigonometry/sinc/int_sinc.h b/src/c/elementaryFunctions/Trigonometry/sinc/int_sinc.h new file mode 100644 index 0000000..0dc969d --- /dev/null +++ b/src/c/elementaryFunctions/Trigonometry/sinc/int_sinc.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_SINC_H__ +#define __INT_SINC_H__ + +#define d2sincd2(sample,size,oup) dsinca(sample,size,oup) + +#endif /* !__INT_SINC_H__! */ diff --git a/src/c/elementaryFunctions/Trigonometry/sinc/sinc.h b/src/c/elementaryFunctions/Trigonometry/sinc/sinc.h new file mode 100644 index 0000000..6a5c315 --- /dev/null +++ b/src/c/elementaryFunctions/Trigonometry/sinc/sinc.h @@ -0,0 +1,27 @@ +/* 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 __SINC_H__ +#define __SINC_H__ +#include "types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +void dsinca(double* sample,int size,double* oup); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* __SINC_H__ */ diff --git a/src/c/elementaryFunctions/Trigonometry/sinc/zsinca.c b/src/c/elementaryFunctions/Trigonometry/sinc/zsinca.c new file mode 100644 index 0000000..ad7d095 --- /dev/null +++ b/src/c/elementaryFunctions/Trigonometry/sinc/zsinca.c @@ -0,0 +1,31 @@ +/* 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 + */ +#include<stdio.h> +#include<math.h> +#include "sinc.h" +#include "sin.h" +#include "doubleComplex.h" +void zsinca(doubleComplex* sample,int size,doubleComplex* oup) +{ + int j; + for(j=0;j<size;j++) + { + if(sample[j]==0) + { + oup[j]==DoubleComplex(1,0); + } + else + { + oup[j]=zsins(sample[j])/sample[j]; + } + } +} |