68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/* Implementation of the SHAPE intrinsic
|
|
Copyright (C) 2002-2013 Free Software Foundation, Inc.
|
|
Contributed by Paul Brook <paul@nowt.org>
|
|
|
|
This file is part of the GNU Fortran 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 3 of the License, or (at your option) any later version.
|
|
|
|
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.
|
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
|
permissions described in the GCC Runtime Library Exception, version
|
|
3.1, as published by the Free Software Foundation.
|
|
|
|
You should have received a copy of the GNU General Public License and
|
|
a copy of the GCC Runtime Library Exception along with this program;
|
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include "libgfortran.h"
|
|
#include <stdlib.h>
|
|
#include <assert.h>
|
|
|
|
|
|
#if defined (HAVE_GFC_INTEGER_4)
|
|
|
|
extern void shape_4 (gfc_array_i4 * const restrict ret,
|
|
const gfc_array_i4 * const restrict array);
|
|
export_proto(shape_4);
|
|
|
|
void
|
|
shape_4 (gfc_array_i4 * const restrict ret,
|
|
const gfc_array_i4 * const restrict array)
|
|
{
|
|
int n;
|
|
index_type stride;
|
|
index_type extent;
|
|
int rank;
|
|
|
|
rank = GFC_DESCRIPTOR_RANK (array);
|
|
|
|
if (ret->base_addr == NULL)
|
|
{
|
|
GFC_DIMENSION_SET(ret->dim[0], 0, rank - 1, 1);
|
|
ret->offset = 0;
|
|
ret->base_addr = xmalloc (sizeof (GFC_INTEGER_4) * rank);
|
|
}
|
|
|
|
stride = GFC_DESCRIPTOR_STRIDE(ret,0);
|
|
|
|
if (GFC_DESCRIPTOR_EXTENT(ret,0) < 1)
|
|
return;
|
|
|
|
for (n = 0; n < rank; n++)
|
|
{
|
|
extent = GFC_DESCRIPTOR_EXTENT(array,n);
|
|
ret->base_addr[n * stride] = extent > 0 ? extent : 0 ;
|
|
}
|
|
}
|
|
|
|
#endif
|