ref: 06e2bdb10725e93bfdfae7c8c5744692d5f5b49b
dir: /fastfft.h/
/* * Function prototypes for fast FFT routines * * Copyright (c) 1999 M. Bakker * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /************************************************************************** Version Control Information Method: CVS Identifiers: $Revision: 1.5 $ $Date: 2000/10/05 13:04:05 $ (check in) $Author: menno $ *************************************************************************/ #ifndef _FASTFFT_H_ #define _FASTFFT_H_ #include "transfo.h" #define PFFTW(name) CONCAT(pfftw_, name) #define PFFTWI(name) CONCAT(pfftwi_, name) #define CONCAT_AUX(a, b) a ## b #define CONCAT(a, b) CONCAT_AUX(a,b) #define FFTW_KONST(x) ((fftw_real) x) void PFFTW(twiddle_4)(fftw_complex *A, const fftw_complex *W, int iostride); void PFFTWI(twiddle_4)(fftw_complex *A, const fftw_complex *W, int iostride); #endif