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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/problem2.c
parent35733b87eed86e5228f12fa10c98a3d9d22a6073 (diff)
*** empty log message ***
Diffstat (limited to 'src/fftw3/rdft/problem2.c')
-rw-r--r--src/fftw3/rdft/problem2.c142
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diff --git a/src/fftw3/rdft/problem2.c b/src/fftw3/rdft/problem2.c
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--- a/src/fftw3/rdft/problem2.c
+++ /dev/null
@@ -1,142 +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: problem2.c,v 1.1 2008/10/17 06:11:29 scuri Exp $ */
-
-#include "dft.h"
-#include "rdft.h"
-#include <stddef.h>
-
-static void destroy(problem *ego_)
-{
- problem_rdft2 *ego = (problem_rdft2 *) ego_;
- X(tensor_destroy2)(ego->vecsz, ego->sz);
- X(ifree)(ego_);
-}
-
-static void hash(const problem *p_, md5 *m)
-{
- const problem_rdft2 *p = (const problem_rdft2 *) p_;
- X(md5puts)(m, "rdft2");
- X(md5int)(m, p->r == p->rio);
- X(md5int)(m, p->r == p->iio);
- X(md5ptrdiff)(m, p->iio - p->rio);
- X(md5int)(m, X(alignment_of)(p->r));
- X(md5int)(m, X(alignment_of)(p->rio));
- X(md5int)(m, X(alignment_of)(p->iio));
- X(md5int)(m, p->kind);
- X(tensor_md5)(m, p->sz);
- X(tensor_md5)(m, p->vecsz);
-}
-
-static void print(problem *ego_, printer *p)
-{
- problem_rdft2 *ego = (problem_rdft2 *) ego_;
- p->print(p, "(rdft2 %d %td %td %d %T %T)",
- X(alignment_of)(ego->r),
- ego->rio - ego->r,
- ego->iio - ego->r,
- (int)(ego->kind),
- ego->sz,
- ego->vecsz);
-}
-
-static void zero(const problem *ego_)
-{
- const problem_rdft2 *ego = (const problem_rdft2 *) ego_;
- tensor *sz;
- if (ego->kind == R2HC) {
- sz = X(tensor_append)(ego->vecsz, ego->sz);
- X(rdft_zerotens)(sz, UNTAINT(ego->r));
- }
- else {
- tensor *sz2 = X(tensor_copy)(ego->sz);
- if (sz2->rnk > 0) /* ~half as many complex outputs */
- sz2->dims[0].n = sz2->dims[0].n / 2 + 1;
- sz = X(tensor_append)(ego->vecsz, sz2);
- X(tensor_destroy)(sz2);
- X(dft_zerotens)(sz, UNTAINT(ego->rio), UNTAINT(ego->iio));
- }
- X(tensor_destroy)(sz);
-}
-
-static const problem_adt padt =
-{
- hash,
- zero,
- print,
- destroy
-};
-
-int X(problem_rdft2_p)(const problem *p)
-{
- return (p->adt == &padt);
-}
-
-problem *X(mkproblem_rdft2)(const tensor *sz, const tensor *vecsz,
- R *r, R *rio, R *iio, rdft_kind kind)
-{
- problem_rdft2 *ego =
- (problem_rdft2 *)X(mkproblem)(sizeof(problem_rdft2), &padt);
-
- A(X(tensor_kosherp)(sz));
- A(X(tensor_kosherp)(vecsz));
- A(FINITE_RNK(sz->rnk));
-
- if (UNTAINT(r) == UNTAINT(rio))
- r = rio = JOIN_TAINT(r, rio);
- if (UNTAINT(r) == UNTAINT(iio))
- r = iio = JOIN_TAINT(r, iio);
-
- /* correctness condition: */
- A(TAINTOF(rio) == TAINTOF(iio));
-
- if (sz->rnk > 1) { /* have to compress rnk-1 dims separately, ugh */
- tensor *szc = X(tensor_copy_except)(sz, sz->rnk - 1);
- tensor *szr = X(tensor_copy_sub)(sz, sz->rnk - 1, 1);
- tensor *szcc = X(tensor_compress)(szc);
- if (szcc->rnk > 0)
- ego->sz = X(tensor_append)(szcc, szr);
- else
- ego->sz = X(tensor_compress)(szr);
- X(tensor_destroy2)(szc, szr); X(tensor_destroy)(szcc);
- }
- else
- ego->sz = X(tensor_compress)(sz);
- ego->vecsz = X(tensor_compress_contiguous)(vecsz);
- ego->r = r;
- ego->rio = rio;
- ego->iio = iio;
- ego->kind = kind;
-
- A(kind == R2HC || kind == HC2R);
- A(FINITE_RNK(ego->sz->rnk));
- return &(ego->super);
-}
-
-/* Same as X(mkproblem_rdft2), but also destroy input tensors. */
-problem *X(mkproblem_rdft2_d)(tensor *sz, tensor *vecsz,
- R *r, R *rio, R *iio, rdft_kind kind)
-{
- problem *p;
- p = X(mkproblem_rdft2)(sz, vecsz, r, rio, iio, kind);
- X(tensor_destroy2)(vecsz, sz);
- return p;
-}