diff options
Diffstat (limited to '2.3-1/src/c/signalProcessing/fft/fft_internal.h')
| -rw-r--r-- | 2.3-1/src/c/signalProcessing/fft/fft_internal.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/2.3-1/src/c/signalProcessing/fft/fft_internal.h b/2.3-1/src/c/signalProcessing/fft/fft_internal.h new file mode 100644 index 00000000..70377bf4 --- /dev/null +++ b/2.3-1/src/c/signalProcessing/fft/fft_internal.h @@ -0,0 +1,42 @@ +/* + * 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 __FFT_INTERNAL_H__ +#define __FFT_INTERNAL_H__ + + +#include "addition.h" +#include "subtraction.h" + +#define FORWARD 0 +#define INVERSE 1 +void dfft2 ( double* a , double* b , int nseg , int n , int nspn , + int isn , int ierr); + + + +void dfftbi ( double* a , double* b , int nseg , int n , int nspn , + int isn , int ierr ); + +void fft842 (doubleComplex* b, int size , int in); + +void r2tx(int nthpo, doubleComplex* c0, doubleComplex* c1); +void r4tx( int nthpo, doubleComplex* c0, doubleComplex* c1, doubleComplex* c2, doubleComplex* c3); +void r8tx ( int nxtlt,int nthpo,int lengt, + doubleComplex* cc0,doubleComplex* cc1,doubleComplex* cc2,doubleComplex* cc3, + doubleComplex* cc4,doubleComplex* cc5,doubleComplex* cc6,doubleComplex* cc7); + +int dfftmx ( double* _pdblA , double* _pdblB , int _iNtot, int _iN, int _iNspan, + int _iIsn, int _iM, int _iKt, double* _pdblWt, double* _pdblCk, + double* _pdblBt, double* _pdblSk, int* _piNp, int* _piNfac); + +#endif /* !__FFT_INTERNAL_H__ */ |