diff options
author | scuri <scuri> | 2008-10-17 06:10:15 +0000 |
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committer | scuri <scuri> | 2008-10-17 06:10:15 +0000 |
commit | 5a422aba704c375a307a902bafe658342e209906 (patch) | |
tree | 5005011e086bb863d8fb587ad3319bbec59b2447 /src/fftw3/dft/ct.h |
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/fftw3/dft/ct.h')
-rw-r--r-- | src/fftw3/dft/ct.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/fftw3/dft/ct.h b/src/fftw3/dft/ct.h new file mode 100644 index 0000000..7ee8ff7 --- /dev/null +++ b/src/fftw3/dft/ct.h @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2003 Matteo Frigo + * Copyright (c) 2003 Massachusetts Institute of Technology + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +/* $Id: ct.h,v 1.1 2008/10/17 06:11:08 scuri Exp $ */ + +/* Cooley-Tukey variants */ +union kct { + kdft_dit dit; + kdft_dif dif; + kdft_difsq difsq; +}; + +typedef struct { + solver super; + const char *nam; + const ct_desc *desc; + union kct k; +} solver_ct; + +typedef struct { + plan_dft super; + union kct k; + plan *cld; + twid *td; + int r, m, vl; + int is, os, ivs, ovs, iios; + stride ios, vs; + const solver_ct *slv; +} plan_ct; + +/* data type describing a generic Cooley-Tukey solver */ +typedef struct +{ + size_t pln_size; + problem *(*mkcld)(const solver_ct *, const problem_dft *p); + void (*finish)(plan_ct *ego); + int (*applicable)(const solver_ct *ego, const problem *p, + const planner *plnr); + dftapply apply; +} ctadt; + +int X(dft_ct_applicable)(const solver_ct *ego, const problem *p_); + +plan *X(mkplan_dft_ct)(const solver_ct *ego, + const problem *p_, + planner *plnr, + const ctadt *adt); + +solver *X(mksolver_dft_ct)(union kct k, const ct_desc *desc, + const char *nam, const solver_adt *adt); + +problem *X(dft_mkcld_dit)(const solver_ct *ego, const problem_dft *p); +problem *X(dft_mkcld_dif)(const solver_ct *ego, const problem_dft *p); |