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authorscuri <scuri>2009-08-20 12:35:06 +0000
committerscuri <scuri>2009-08-20 12:35:06 +0000
commit5d735255ddd3cb2f547abd3d03969af3fb7eb04e (patch)
tree8fb66510bc625bb1b08ccb41f1b83fb0f7cb8f19 /src/fftw3/rdft/rdft.h
parent35733b87eed86e5228f12fa10c98a3d9d22a6073 (diff)
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diff --git a/src/fftw3/rdft/rdft.h b/src/fftw3/rdft/rdft.h
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-/*
- * 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
- *
- */
-
-#ifndef __RDFT_H__
-#define __RDFT_H__
-
-#include "ifftw.h"
-#include "codelet-rdft.h"
-
-/* problem.c: */
-typedef struct {
- problem super;
- tensor *sz, *vecsz;
- R *I, *O;
-#if defined(STRUCT_HACK_KR)
- rdft_kind kind[1];
-#elif defined(STRUCT_HACK_C99)
- rdft_kind kind[];
-#else
- rdft_kind *kind;
-#endif
-} problem_rdft;
-
-int X(problem_rdft_p)(const problem *p);
-#define RDFTP X(problem_rdft_p) /* shorthand */
-
-void X(rdft_zerotens)(tensor *sz, R *I);
-problem *X(mkproblem_rdft)(const tensor *sz, const tensor *vecsz,
- R *I, R *O, const rdft_kind *kind);
-problem *X(mkproblem_rdft_d)(tensor *sz, tensor *vecsz,
- R *I, R *O, const rdft_kind *kind);
-problem *X(mkproblem_rdft_1)(const tensor *sz, const tensor *vecsz,
- R *I, R *O, rdft_kind kind);
-problem *X(mkproblem_rdft_1_d)(tensor *sz, tensor *vecsz,
- R *I, R *O, rdft_kind kind);
-
-const char *X(rdft_kind_str)(rdft_kind kind);
-
-/* solve.c: */
-void X(rdft_solve)(const plan *ego_, const problem *p_);
-
-/* plan.c: */
-typedef void (*rdftapply) (const plan *ego, R *I, R *O);
-
-typedef struct {
- plan super;
- rdftapply apply;
-} plan_rdft;
-
-plan *X(mkplan_rdft)(size_t size, const plan_adt *adt, rdftapply apply);
-
-#define MKPLAN_RDFT(type, adt, apply) \
- (type *)X(mkplan_rdft)(sizeof(type), adt, apply)
-
-/* various solvers */
-
-solver *X(mksolver_rdft_r2hc_direct)(kr2hc k, const kr2hc_desc *desc);
-solver *X(mksolver_rdft_hc2r_direct)(khc2r k, const khc2r_desc *desc);
-solver *X(mksolver_rdft_r2r_direct)(kr2r k, const kr2r_desc *desc);
-solver *X(mksolver_rdft_hc2hc_dit)(khc2hc k, const hc2hc_desc *desc);
-solver *X(mksolver_rdft_hc2hc_ditbuf)(khc2hc k, const hc2hc_desc *desc);
-solver *X(mksolver_rdft_hc2hc_dif)(khc2hc k, const hc2hc_desc *desc);
-solver *X(mksolver_rdft_hc2hc_difbuf)(khc2hc k, const hc2hc_desc *desc);
-
-extern void (*X(khc2hc_dit_register_hook))(planner *, khc2hc, const hc2hc_desc *);
-extern void (*X(khc2hc_dif_register_hook))(planner *, khc2hc, const hc2hc_desc *);
-
-void X(rdft_rank0_register)(planner *p);
-void X(rdft_rank_geq2_register)(planner *p);
-void X(rdft_indirect_register)(planner *p);
-void X(rdft_vrank_geq1_register)(planner *p);
-void X(rdft_vrank2_transpose_register)(planner *p);
-void X(rdft_vrank3_transpose_register)(planner *p);
-void X(rdft_buffered_register)(planner *p);
-void X(rdft_generic_register)(planner *p);
-void X(rdft_rader_hc2hc_register)(planner *p);
-void X(rdft_dht_register)(planner *p);
-void X(dht_r2hc_register)(planner *p);
-void X(dht_rader_register)(planner *p);
-void X(dft_r2hc_register)(planner *p);
-void X(rdft_nop_register)(planner *p);
-
-/****************************************************************************/
-/* problem2.c: */
-/* an RDFT2 problem transforms a 1d real array r[n] with stride is/os
- to/from an "unpacked" complex array {rio,iio}[n/2 + 1] with stride
- os/is. Multidimensional transforms use complex DFTs for the
- noncontiguous dimensions. vecsz has the usual interpretation. */
-typedef struct {
- problem super;
- tensor *sz;
- tensor *vecsz;
- R *r, *rio, *iio;
- rdft_kind kind; /* R2HC or HC2R */
-} problem_rdft2;
-
-int X(problem_rdft2_p)(const problem *p);
-#define RDFT2P X(problem_rdft2_p) /* shorthand */
-
-problem *X(mkproblem_rdft2)(const tensor *sz, const tensor *vecsz,
- R *r, R *rio, R *iio, rdft_kind kind);
-problem *X(mkproblem_rdft2_d)(tensor *sz, tensor *vecsz,
- R *r, R *rio, R *iio, rdft_kind kind);
-int X(rdft2_inplace_strides)(const problem_rdft2 *p, int vdim);
-int X(rdft2_tensor_max_index)(const tensor *sz, rdft_kind k);
-void X(rdft2_strides)(rdft_kind kind, const iodim *d, int *is, int *os);
-
-/* verify.c: */
-void X(rdft2_verify)(plan *pln, const problem_rdft2 *p, int rounds);
-
-/* solve.c: */
-void X(rdft2_solve)(const plan *ego_, const problem *p_);
-
-/* plan.c: */
-typedef void (*rdft2apply) (const plan *ego, R *r, R *rio, R *iio);
-
-typedef struct {
- plan super;
- rdft2apply apply;
-} plan_rdft2;
-
-plan *X(mkplan_rdft2)(size_t size, const plan_adt *adt, rdft2apply apply);
-
-#define MKPLAN_RDFT2(type, adt, apply) \
- (type *)X(mkplan_rdft2)(sizeof(type), adt, apply)
-
-/* various solvers */
-
-solver *X(mksolver_rdft2_r2hc_direct)(kr2hc k, const kr2hc_desc *desc);
-solver *X(mksolver_rdft2_hc2r_direct)(khc2r k, const khc2r_desc *desc);
-
-void X(rdft2_vrank_geq1_register)(planner *p);
-void X(rdft2_buffered_register)(planner *p);
-void X(rdft2_nop_register)(planner *p);
-void X(rdft2_rank0_register)(planner *p);
-void X(rdft2_rank_geq2_register)(planner *p);
-void X(rdft2_radix2_register)(planner *p);
-
-/****************************************************************************/
-
-/* configurations */
-void X(rdft_conf_standard)(planner *p);
-
-#endif /* __RDFT_H__ */