Original Version

1 files changed, 76 insertions, 0 deletions

diff --git a/src/c/signalProcessing/includes/fftshift.h b/src/c/signalProcessing/includes/fftshift.h
new file mode 100644
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+++ b/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__ */
+