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
|
/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2008 - INRIA - Arnaud TORSET
*
* 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
*
*/
#include "hilbert.h"
#include "fft.h"
#include "ifft.h"
#include "multiplication.h"
void shilberta (float* in, int rows, int cols, floatComplex *out){
int i;
int size=rows*cols;
for (i=0;i<rows*cols;i++) out[i]=FloatComplex(in[i],0);
cfftma(out, rows, cols, out);
for (i=0;i<size;i++){
if ((i>0)&&(i<(size+1)/2)) out[i] = cmuls(out[i],FloatComplex(2,0));
if (i>size/2) out[i] = cmuls(out[i],FloatComplex(0,0));
}
cifftma(out, rows, cols,out);
}
|
