diff options
-rw-r--r-- | src/signalProcessing/fft/cfftma.c | 54 | ||||
-rw-r--r-- | src/signalProcessing/fft/dfftbi.c | 2 |
2 files changed, 55 insertions, 1 deletions
diff --git a/src/signalProcessing/fft/cfftma.c b/src/signalProcessing/fft/cfftma.c new file mode 100644 index 00000000..53f65644 --- /dev/null +++ b/src/signalProcessing/fft/cfftma.c @@ -0,0 +1,54 @@ +/* + * 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 "fft.h" +#include <stdio.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); + +} diff --git a/src/signalProcessing/fft/dfftbi.c b/src/signalProcessing/fft/dfftbi.c index 73cffed2..f22ed995 100644 --- a/src/signalProcessing/fft/dfftbi.c +++ b/src/signalProcessing/fft/dfftbi.c @@ -47,7 +47,7 @@ void dfftbi ( double* a , double* b , int nseg , int n , int nspn , int lout = 0 ; int lnow = 10; int lused= 10; - int lmax; /* to compute after*/ + int lbook = 10 ; |