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
112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/* Helper function for repacking arrays.
|
|
Copyright 2003, 2006 Free Software Foundation, Inc.
|
|
Contributed by Paul Brook <paul@nowt.org>
|
|
|
|
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 <assert.h>
|
|
#include <string.h>
|
|
#include "libgfortran.h"
|
|
|
|
#if defined (HAVE_GFC_COMPLEX_8)
|
|
|
|
void
|
|
internal_unpack_c8 (gfc_array_c8 * d, const GFC_COMPLEX_8 * src)
|
|
{
|
|
index_type count[GFC_MAX_DIMENSIONS];
|
|
index_type extent[GFC_MAX_DIMENSIONS];
|
|
index_type stride[GFC_MAX_DIMENSIONS];
|
|
index_type stride0;
|
|
index_type dim;
|
|
index_type dsize;
|
|
GFC_COMPLEX_8 *dest;
|
|
int n;
|
|
|
|
dest = d->data;
|
|
if (src == dest || !src)
|
|
return;
|
|
|
|
dim = GFC_DESCRIPTOR_RANK (d);
|
|
dsize = 1;
|
|
for (n = 0; n < dim; n++)
|
|
{
|
|
count[n] = 0;
|
|
stride[n] = d->dim[n].stride;
|
|
extent[n] = d->dim[n].ubound + 1 - d->dim[n].lbound;
|
|
if (extent[n] <= 0)
|
|
abort ();
|
|
|
|
if (dsize == stride[n])
|
|
dsize *= extent[n];
|
|
else
|
|
dsize = 0;
|
|
}
|
|
|
|
if (dsize != 0)
|
|
{
|
|
memcpy (dest, src, dsize * sizeof (GFC_COMPLEX_8));
|
|
return;
|
|
}
|
|
|
|
stride0 = stride[0];
|
|
|
|
while (dest)
|
|
{
|
|
/* Copy the data. */
|
|
*dest = *(src++);
|
|
/* Advance to the next element. */
|
|
dest += stride0;
|
|
count[0]++;
|
|
/* Advance to the next source element. */
|
|
n = 0;
|
|
while (count[n] == extent[n])
|
|
{
|
|
/* When we get to the end of a dimension, reset it and increment
|
|
the next dimension. */
|
|
count[n] = 0;
|
|
/* We could precalculate these products, but this is a less
|
|
frequently used path so proabably not worth it. */
|
|
dest -= stride[n] * extent[n];
|
|
n++;
|
|
if (n == dim)
|
|
{
|
|
dest = NULL;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
count[n]++;
|
|
dest += stride[n];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|