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factorize.h

/* fft/factorize.h
 * 
 * Copyright (C) 1996, 1997, 1998, 1999, 2000 Brian Gough
 * 
 * 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 of the License, 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; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

static int fft_complex_factorize (const size_t n, size_t *nf, size_t factors[]);

static int fft_halfcomplex_factorize (const size_t n, size_t *nf, size_t factors[]);

static int fft_real_factorize (const size_t n, size_t *nf, size_t factors[]);

static int fft_factorize (const size_t n, const size_t implemented_subtransforms[], size_t *n_factors, size_t factors[]);

static int fft_binary_logn (const size_t n) ;


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