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Diffstat (limited to 'src/c/signalProcessing/zpbutt/dzpbutts.c')
-rw-r--r-- | src/c/signalProcessing/zpbutt/dzpbutts.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/c/signalProcessing/zpbutt/dzpbutts.c b/src/c/signalProcessing/zpbutt/dzpbutts.c new file mode 100644 index 0000000..33f22af --- /dev/null +++ b/src/c/signalProcessing/zpbutt/dzpbutts.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 "zpbutt.h" +#define PI 3.14159265 +double dzpbutts(double n,double fl,doubleComplex* out) +{ + double e= PI/(2.0*(n)); + int k; + double rl,cpx,gain; + for(k=1;k<=n;k++) + { + double v=2.0*(double)k+(n)-1.0; + rl=(fl)*cos(e*v); + cpx=(fl)*sin(e*v); + out[k-1]=DoubleComplex(rl,cpx); + } + gain=pow(fl,n); + +return gain; + +} + |