libcdio-paranoia 10.2+2.0.2
smallft.h
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1/*
2 Copyright (C) 2008 Rocky Bernstein <rocky@gnu.org>
3 Copyright (C) 1998 Monty xiphmont@mit.edu
4
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17*/
18
19/******************************************************************
20 * FFT implementation from OggSquish, minus cosine transforms.
21 * Only convenience functions exposed
22 ******************************************************************/
23
24extern void fft_forward(int n, float *buf, float *trigcache, int *sp);
25extern void fft_backward(int n, float *buf, float *trigcache, int *sp);
26extern void fft_i(int n, float **trigcache, int **splitcache);
void fft_backward(int n, float *buf, float *trigcache, int *sp)
Definition: smallft.c:534
void fft_i(int n, float **trigcache, int **splitcache)
Definition: smallft.c:555
void fft_forward(int n, float *buf, float *trigcache, int *sp)
Definition: smallft.c:516