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Diffstat (limited to 'src/fftw3/rdft/hc2hc.h')
-rw-r--r-- | src/fftw3/rdft/hc2hc.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/fftw3/rdft/hc2hc.h b/src/fftw3/rdft/hc2hc.h new file mode 100644 index 0000000..6c062cd --- /dev/null +++ b/src/fftw3/rdft/hc2hc.h @@ -0,0 +1,66 @@ +/* + * 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 + * + */ + +typedef struct { + solver super; + const char *nam; + const hc2hc_desc *desc; + khc2hc k; +} solver_hc2hc; + +typedef struct { + plan_rdft super; + khc2hc k; + plan *cld0, *cldm; /* children for 0th and middle butterflies */ + plan *cld; + R *W; + int n, r, m, vl; + int is, os, ivs, ovs, iios; + stride ios, vs; + const solver_hc2hc *slv; + twid *td; +} plan_hc2hc; + +/* data type describing a generic Cooley-Tukey solver */ +typedef struct +{ + size_t pln_size; + void (*mkcldrn)(const solver_hc2hc *, const problem_rdft *p, + problem **cldp, problem **cld0p, problem **cldmp); + void (*finish)(plan_hc2hc *ego); + int (*applicable)(const solver_hc2hc *ego, const problem *p, + const planner *plnr); + rdftapply apply; +} hc2hcadt; + +int X(rdft_hc2hc_applicable)(const solver_hc2hc *ego, const problem *p_); + +plan *X(mkplan_rdft_hc2hc)(const solver_hc2hc *ego, + const problem *p_, + planner *plnr, + const hc2hcadt *adt); + +solver *X(mksolver_rdft_hc2hc)(khc2hc k, const hc2hc_desc *desc, + const char *nam, const solver_adt *adt); + +void X(rdft_mkcldrn_dit)(const solver_hc2hc *, const problem_rdft *p, + problem **cldp, problem **cld0p, problem **cldmp); +void X(rdft_mkcldrn_dif)(const solver_hc2hc *, const problem_rdft *p, + problem **cldp, problem **cld0p, problem **cldmp); |