Commit 8d0f905c authored by Monty Montgomery's avatar Monty Montgomery

Replaced with fftw3


git-svn-id: https://svn.xiph.org/trunk/postfish@5870 0101bb08-14d6-0310-b084-bc0e0c8e3800
parent 003997de
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/*
*
* smallft.h
*
* Copyright (C) 2002 Monty
*
* Postfish 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.
*
* Postfish 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 Postfish; see the file COPYING. If not, write to the
* Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
*/
typedef struct {
int n;
double *trigcache;
int *splitcache;
} drft_lookup;
extern void drft_forward(drft_lookup *l,double *data);
extern void drft_backward(drft_lookup *l,double *data);
extern void drft_init(drft_lookup *l,int n);
extern void drft_clear(drft_lookup *l);
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