diff options
Diffstat (limited to '2.3-1/src/c/signalProcessing/includes/fftshift.h')
-rw-r--r-- | 2.3-1/src/c/signalProcessing/includes/fftshift.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/2.3-1/src/c/signalProcessing/includes/fftshift.h b/2.3-1/src/c/signalProcessing/includes/fftshift.h new file mode 100644 index 00000000..242e7ff7 --- /dev/null +++ b/2.3-1/src/c/signalProcessing/includes/fftshift.h @@ -0,0 +1,76 @@ +/* + * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab + * Copyright (C) 2008-2008 - INRIA - Allan SIMON + * + * 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 + * + */ + +#ifndef __FFTSHIFT_H__ +#define __FFTSHIFT_H__ + + +#include "dynlib_signalprocessing.h" + +/* + fftshift rearrange the result of fft(x) + it's call like that : fftshift(y), y=ff(x) +*/ +#include "floatComplex.h" +#include "doubleComplex.h" + + +#define sfftshifts(in) in +#define dfftshifts(in) in +#define cfftshifts(in) in +#define zfftshifts(in) in + +#ifdef __cplusplus +extern "C" { +#endif + +EXTERN_SIGPROC void sfftshifta(float* in,int rows,int columns,float* out); + +EXTERN_SIGPROC void dfftshifta(double* in,int rows,int columns,double* out); + +EXTERN_SIGPROC void cfftshifta ( floatComplex* in , int rows, int cols, floatComplex* out); + +EXTERN_SIGPROC void zfftshifta ( doubleComplex* in , int rows, int cols, doubleComplex* out); + + +#define srowfftshifts(in) in +#define drowfftshifts(in) in +#define crowfftshifts(in) in +#define zrowfftshifts(in) in + +EXTERN_SIGPROC void srowfftshifta(float* in,int rows,int columns,float* out); + +EXTERN_SIGPROC void drowfftshifta(double* in,int rows,int columns,double* out); + +EXTERN_SIGPROC void crowfftshifta ( floatComplex* in , int rows, int cols, floatComplex* out); + +EXTERN_SIGPROC void zrowfftshifta ( doubleComplex* in , int rows, int cols, doubleComplex* out); + +#define scolumnfftshifts(in) in +#define dcolumnfftshifts(in) in +#define ccolumnfftshifts(in) in +#define zcolumnfftshifts(in) in + +EXTERN_SIGPROC void scolumnfftshifta(float* in,int rows,int columns,float* out); + +EXTERN_SIGPROC void dcolumnfftshifta(double* in,int rows,int columns,double* out); + +EXTERN_SIGPROC void ccolumnfftshifta ( floatComplex* in , int rows, int cols, floatComplex* out); + +EXTERN_SIGPROC void zcolumnfftshifta ( doubleComplex* in , int rows, int cols, doubleComplex* out); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* !__FFTSHIFT_H__ */ + |