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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
*
*/
#ifndef __IFFT_INTERNAL_H__
#define __IFFT_INTERNAL_H__
#include "addition.h"
#include "subtraction.h"
#define FORWARD 0
#define INVERSE 1
void difft2 ( double* a , double* b , int nseg , int n , int nspn ,
int isn , int ierr);
void difftbi ( double* a , double* b , int nseg , int n , int nspn ,
int isn , int ierr );
void ifft842 (doubleComplex* b, int size , int in);
void ir2tx(int nthpo, doubleComplex* c0, doubleComplex* c1);
void ir4tx( int nthpo, doubleComplex* c0, doubleComplex* c1, doubleComplex* c2, doubleComplex* c3);
void ir8tx ( int nxtlt,int nthpo,int lengt,
doubleComplex* cc0,doubleComplex* cc1,doubleComplex* cc2,doubleComplex* cc3,
doubleComplex* cc4,doubleComplex* cc5,doubleComplex* cc6,doubleComplex* cc7);
int difftmx ( 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 /* !__IFFT_INTERNAL_H__ */
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