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-rw-r--r--src/fftw3/rdft/rdft2-inplace-strides.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/src/fftw3/rdft/rdft2-inplace-strides.c b/src/fftw3/rdft/rdft2-inplace-strides.c
deleted file mode 100644
index 2171672..0000000
--- a/src/fftw3/rdft/rdft2-inplace-strides.c
+++ /dev/null
@@ -1,61 +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: rdft2-inplace-strides.c,v 1.1 2008/10/17 06:11:29 scuri Exp $ */
-
-#include "rdft.h"
-
-/* Check if the vecsz/sz strides are consistent with the problem
- being in-place for vecsz.dim[vdim], or for all dimensions
- if vdim == RNK_MINFTY. We can't just use tensor_inplace_strides
- because rdft transforms have the unfortunate property of
- differing input and output sizes. This routine is not
- exhaustive; we only return 1 for the most common case. */
-int X(rdft2_inplace_strides)(const problem_rdft2 *p, int vdim)
-{
- int N, Nc;
- int is, os;
- int i;
-
- for (i = 0; i + 1 < p->sz->rnk; ++i)
- if (p->sz->dims[i].is != p->sz->dims[i].os)
- return 0;
-
- if (!FINITE_RNK(p->vecsz->rnk) || p->vecsz->rnk == 0)
- return 1;
- if (!FINITE_RNK(vdim)) { /* check all vector dimensions */
- for (vdim = 0; vdim < p->vecsz->rnk; ++vdim)
- if (!X(rdft2_inplace_strides)(p, vdim))
- return 0;
- return 1;
- }
-
- A(vdim < p->vecsz->rnk);
- if (p->sz->rnk == 0)
- return(p->vecsz->dims[vdim].is == p->vecsz->dims[vdim].os);
-
- N = X(tensor_sz)(p->sz);
- Nc = (N / p->sz->dims[p->sz->rnk-1].n) *
- (p->sz->dims[p->sz->rnk-1].n/2 + 1);
- X(rdft2_strides)(p->kind, p->sz->dims + p->sz->rnk - 1, &is, &os);
- return(p->vecsz->dims[vdim].is == p->vecsz->dims[vdim].os
- && X(iabs)(p->vecsz->dims[vdim].os)
- >= X(imax)(Nc * X(iabs)(os), N * X(iabs)(is)));
-}