1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
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__ */
|
