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/*
* 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
*
*/
#include <stdlib.h>
#include "fft.h"
void cfftma ( floatComplex* in , int rows, int cols, floatComplex* out)
{
int i = 0 ;
/* these 3 variable are created to permit to use the value in the fortran functions
because they need doubleComplex matrix as arguments and we can't cast directly the pointers
without having problems , i know that's ugly */
doubleComplex *dblin = NULL;
doubleComplex *dblout = NULL;
/* Array allocations*/
dblin = (doubleComplex*)malloc(sizeof(doubleComplex) * (unsigned int)(rows * cols));
dblout = (doubleComplex*)malloc(sizeof(doubleComplex) * (unsigned int)(rows * cols));
/*copy and cast all the floatComplex value into doubleComplex value */
for ( i = 0 ; i < (rows * cols) ; i ++ )
{
dblin[i] = DoubleComplex ( (double) creals( in[i]) , (double) cimags ( in[i])) ;
}
zfftma ( dblin, rows , cols , dblout );
for ( i = 0 ; i < (rows * cols) ; i++ )
{
out[i] = FloatComplex ((float) zreals ( dblout[i]) , (float) zimags ( dblout[i])) ;
}
free ( dblin);
free ( dblout);
}
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