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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/dft/direct.c
parent35733b87eed86e5228f12fa10c98a3d9d22a6073 (diff)
*** empty log message ***
Diffstat (limited to 'src/fftw3/dft/direct.c')
-rw-r--r--src/fftw3/dft/direct.c152
1 files changed, 0 insertions, 152 deletions
diff --git a/src/fftw3/dft/direct.c b/src/fftw3/dft/direct.c
deleted file mode 100644
index cb11c88..0000000
--- a/src/fftw3/dft/direct.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * 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: direct.c,v 1.1 2008/10/17 06:11:08 scuri Exp $ */
-
-/* direct DFT solver, if we have a codelet */
-
-#include "dft.h"
-
-typedef struct {
- solver super;
- const kdft_desc *desc;
- kdft k;
-} S;
-
-typedef struct {
- plan_dft super;
-
- stride is, os;
- int vl;
- int ivs, ovs;
- kdft k;
- const S *slv;
-} P;
-
-static void apply(const plan *ego_, R *ri, R *ii, R *ro, R *io)
-{
- const P *ego = (const P *) ego_;
- ASSERT_ALIGNED_DOUBLE;
- ego->k(ri, ii, ro, io, ego->is, ego->os, ego->vl, ego->ivs, ego->ovs);
-}
-
-static void destroy(plan *ego_)
-{
- P *ego = (P *) ego_;
- X(stride_destroy)(ego->is);
- X(stride_destroy)(ego->os);
-}
-
-static void print(const plan *ego_, printer *p)
-{
- const P *ego = (const P *) ego_;
- const S *s = ego->slv;
- const kdft_desc *d = s->desc;
-
- p->print(p, "(dft-direct-%d%v \"%s\")", d->sz, ego->vl, d->nam);
-}
-
-static int applicable(const solver *ego_, const problem *p_,
- const planner *plnr)
-{
- if (DFTP(p_)) {
- const S *ego = (const S *) ego_;
- const problem_dft *p = (const problem_dft *) p_;
- const kdft_desc *d = ego->desc;
- int vl;
- int ivs, ovs;
-
- return (
- 1
- && p->sz->rnk == 1
- && p->vecsz->rnk <= 1
- && p->sz->dims[0].n == d->sz
-
- /* check strides etc */
- && X(tensor_tornk1)(p->vecsz, &vl, &ivs, &ovs)
-
- && (d->genus->okp(d, p->ri, p->ii, p->ro, p->io,
- p->sz->dims[0].is, p->sz->dims[0].os,
- vl, ivs, ovs, plnr))
-
- && (0
- /* can operate out-of-place */
- || p->ri != p->ro
-
- /*
- * can compute one transform in-place, no matter
- * what the strides are.
- */
- || p->vecsz->rnk == 0
-
- /* can operate in-place as long as strides are the same */
- || (X(tensor_inplace_strides2)(p->sz, p->vecsz))
- )
- );
- }
-
- return 0;
-}
-
-static plan *mkplan(const solver *ego_, const problem *p_, planner *plnr)
-{
- const S *ego = (const S *) ego_;
- P *pln;
- const problem_dft *p;
- iodim *d;
- const kdft_desc *e = ego->desc;
-
- static const plan_adt padt = {
- X(dft_solve), X(null_awake), print, destroy
- };
-
- UNUSED(plnr);
-
- if (!applicable(ego_, p_, plnr))
- return (plan *)0;
-
- p = (const problem_dft *) p_;
-
- pln = MKPLAN_DFT(P, &padt, apply);
-
- d = p->sz->dims;
-
- pln->k = ego->k;
- pln->is = X(mkstride)(e->sz, d[0].is);
- pln->os = X(mkstride)(e->sz, d[0].os);
-
- X(tensor_tornk1)(p->vecsz, &pln->vl, &pln->ivs, &pln->ovs);
- pln->slv = ego;
-
- X(ops_zero)(&pln->super.super.ops);
- X(ops_madd2)(pln->vl / e->genus->vl, &e->ops, &pln->super.super.ops);
-
- return &(pln->super.super);
-}
-
-/* constructor */
-solver *X(mksolver_dft_direct)(kdft k, const kdft_desc *desc)
-{
- static const solver_adt sadt = { mkplan };
- S *slv = MKSOLVER(S, &sadt);
- slv->k = k;
- slv->desc = desc;
- return &(slv->super);
-}