ref: 8b6936294846c08a320e4dc9a95d2810068e1a33
dir: /libfaac/fft.h/
/*
* FAAC - Freeware Advanced Audio Coder
* Copyright (C) 2001 Menno Bakker
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: fft.h,v 1.2 2001/05/30 08:57:08 menno Exp $
*/
#ifndef FFT_H
#define FFT_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
static void build_table(int logm);
static void rsrec(double *x, int logm);
static void srrec(double *xr, double *xi, int logm);
void rsfft(double *x, int logm);
void srfft(double *xr, double *xi, int logm);
void srifft(double *xr, double *xi, int logm);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* FFT_H */