6ff24d45dc
2006-06-06 Janne Blomqvist <jb@gcc.gnu.org> * m4/in_pack.m4: Add TODO comment about detecting temporaries, remove test for stride 0, update copyright year. * m4/transpose.m4: Remove test for stride 0, update copyright year. * m4/iforeach.m4: Likewise. * m4/shape.m4: Likewise. * m4/in_unpack.m4: Likewise. * m4/reshape.m4: Likewise. * m4/ifunction.m4: Likewise. * m4/matmul.m4: Likewise. * m4/matmull.m4: Likewise. * intrinsics/etime.c: Likewise. * intrinsics/transpose_generic.c: Likewise. * intrinsics/spread_generic.c: Likewise. * intrinsics/stat.c: Likewise. * intrinsics/reshape_generic.c: Likewise. * intrinsics/random.c: Likewise. * generated/*: Regenerated from above changed m4 files. From-SVN: r114424
118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
/* Implementation of the TRANSPOSE intrinsic
|
|
Copyright 2003, 2006 Free Software Foundation, Inc.
|
|
Contributed by Tobias Schlüter
|
|
|
|
This file is part of the GNU Fortran 95 runtime library (libgfortran).
|
|
|
|
Libgfortran 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.
|
|
|
|
In addition to the permissions in the GNU General Public License, the
|
|
Free Software Foundation gives you unlimited permission to link the
|
|
compiled version of this file into combinations with other programs,
|
|
and to distribute those combinations without any restriction coming
|
|
from the use of this file. (The General Public License restrictions
|
|
do apply in other respects; for example, they cover modification of
|
|
the file, and distribution when not linked into a combine
|
|
executable.)
|
|
|
|
Libgfortran 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 libgfortran; see the file COPYING. If not,
|
|
write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA. */
|
|
|
|
#include "config.h"
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
#include "libgfortran.h"
|
|
|
|
extern void transpose (gfc_array_char *, gfc_array_char *);
|
|
export_proto(transpose);
|
|
|
|
static void
|
|
transpose_internal (gfc_array_char *ret, gfc_array_char *source,
|
|
index_type size)
|
|
{
|
|
/* r.* indicates the return array. */
|
|
index_type rxstride, rystride;
|
|
char *rptr;
|
|
/* s.* indicates the source array. */
|
|
index_type sxstride, systride;
|
|
const char *sptr;
|
|
|
|
index_type xcount, ycount;
|
|
index_type x, y;
|
|
|
|
assert (GFC_DESCRIPTOR_RANK (source) == 2
|
|
&& GFC_DESCRIPTOR_RANK (ret) == 2);
|
|
|
|
if (ret->data == NULL)
|
|
{
|
|
assert (ret->dtype == source->dtype);
|
|
|
|
ret->dim[0].lbound = 0;
|
|
ret->dim[0].ubound = source->dim[1].ubound - source->dim[1].lbound;
|
|
ret->dim[0].stride = 1;
|
|
|
|
ret->dim[1].lbound = 0;
|
|
ret->dim[1].ubound = source->dim[0].ubound - source->dim[0].lbound;
|
|
ret->dim[1].stride = ret->dim[0].ubound+1;
|
|
|
|
ret->data = internal_malloc_size (size * size0 ((array_t*)ret));
|
|
ret->offset = 0;
|
|
}
|
|
|
|
sxstride = source->dim[0].stride * size;
|
|
systride = source->dim[1].stride * size;
|
|
xcount = source->dim[0].ubound + 1 - source->dim[0].lbound;
|
|
ycount = source->dim[1].ubound + 1 - source->dim[1].lbound;
|
|
|
|
rxstride = ret->dim[0].stride * size;
|
|
rystride = ret->dim[1].stride * size;
|
|
|
|
rptr = ret->data;
|
|
sptr = source->data;
|
|
|
|
for (y = 0; y < ycount; y++)
|
|
{
|
|
for (x = 0; x < xcount; x++)
|
|
{
|
|
memcpy (rptr, sptr, size);
|
|
|
|
sptr += sxstride;
|
|
rptr += rystride;
|
|
}
|
|
sptr += systride - (sxstride * xcount);
|
|
rptr += rxstride - (rystride * xcount);
|
|
}
|
|
}
|
|
|
|
extern void transpose (gfc_array_char *, gfc_array_char *);
|
|
export_proto(transpose);
|
|
|
|
void
|
|
transpose (gfc_array_char *ret, gfc_array_char *source)
|
|
{
|
|
transpose_internal (ret, source, GFC_DESCRIPTOR_SIZE (source));
|
|
}
|
|
|
|
extern void transpose_char (gfc_array_char *, GFC_INTEGER_4,
|
|
gfc_array_char *, GFC_INTEGER_4);
|
|
export_proto(transpose_char);
|
|
|
|
void
|
|
transpose_char (gfc_array_char *ret,
|
|
GFC_INTEGER_4 ret_length __attribute__((unused)),
|
|
gfc_array_char *source, GFC_INTEGER_4 source_length)
|
|
{
|
|
transpose_internal (ret, source, source_length);
|
|
}
|