3 * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Brian Gough
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 (at
8 * your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 #include "complex_internal.h"
23 FUNCTION(fft_halfcomplex,pass_2) (const BASE in[],
29 const TYPE(gsl_complex) twiddle[]);
32 FUNCTION(fft_halfcomplex,pass_3) (const BASE in[],
38 const TYPE(gsl_complex) twiddle1[],
39 const TYPE(gsl_complex) twiddle2[]);
42 FUNCTION(fft_halfcomplex,pass_4) (const BASE in[],
48 const TYPE(gsl_complex) twiddle1[],
49 const TYPE(gsl_complex) twiddle2[],
50 const TYPE(gsl_complex) twiddle3[]);
53 FUNCTION(fft_halfcomplex,pass_5) (const BASE in[],
59 const TYPE(gsl_complex) twiddle1[],
60 const TYPE(gsl_complex) twiddle2[],
61 const TYPE(gsl_complex) twiddle3[],
62 const TYPE(gsl_complex) twiddle4[]);
65 FUNCTION(fft_halfcomplex,pass_n) (const BASE in[],
72 const TYPE(gsl_complex) twiddle[]);