/*
 *  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);
}