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/* fft/real_pass.h
*
* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 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 3 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 void FUNCTION(fft_real,pass_2) (const BASE in[],
const size_t istride,
BASE out[],
const size_t ostride,
const size_t product,
const size_t n,
const TYPE(gsl_complex) twiddle[]);
static void FUNCTION(fft_real,pass_3) (const BASE in[],
const size_t istride,
BASE out[],
const size_t ostride,
const size_t product,
const size_t n,
const TYPE(gsl_complex) twiddle1[],
const TYPE(gsl_complex) twiddle2[]);
static void FUNCTION(fft_real,pass_4) (const BASE in[],
const size_t istride,
BASE out[],
const size_t ostride,
const size_t product,
const size_t n,
const TYPE(gsl_complex) twiddle1[],
const TYPE(gsl_complex) twiddle2[],
const TYPE(gsl_complex) twiddle3[]);
static void FUNCTION(fft_real,pass_5) (const BASE in[],
const size_t istride,
BASE out[],
const size_t ostride,
const size_t product,
const size_t n,
const TYPE(gsl_complex) twiddle1[],
const TYPE(gsl_complex) twiddle2[],
const TYPE(gsl_complex) twiddle3[],
const TYPE(gsl_complex) twiddle4[]);
static void FUNCTION(fft_real,pass_n) (const BASE in[],
const size_t istride,
BASE out[],
const size_t ostride,
const size_t factor,
const size_t product,
const size_t n,
const TYPE(gsl_complex) twiddle[]);
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