shithub: aacenc

ref: 3b2e8325e64141aec18350b902d47599ebf24f2f
dir: /libfaac/fft.h/

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/*
 * FAAC - Freeware Advanced Audio Coder
 * $Id: fft.h,v 1.3 2002/08/21 16:52:52 knik Exp $
 * Copyright (C) 2002 Krzysztof Nikiel
 *
 * 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
 *
 */

#ifndef _FFT_H_
#define _FFT_H_

void rfft(double *x, int logm);
void fft(double *xr, double *xi, int logm);
void ffti(double *xr, double *xi, int logm);

#endif