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/* Implementation of the SHAPE intrinsic
Copyright (C) 2002-2022 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"
#if defined (HAVE_GFC_INTEGER_1)
extern void shape_1 (gfc_array_i1 * const restrict ret,
const array_t * const restrict array);
export_proto(shape_1);
void
shape_1 (gfc_array_i1 * const restrict ret,
const array_t * const restrict array)
{
index_type stride;
index_type extent;
int 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 = xmallocarray (rank, sizeof (GFC_INTEGER_1));
}
stride = GFC_DESCRIPTOR_STRIDE(ret,0);
if (GFC_DESCRIPTOR_EXTENT(ret,0) < 1)
return;
for (index_type n = 0; n < rank; n++)
{
extent = GFC_DESCRIPTOR_EXTENT(array,n);
ret->base_addr[n * stride] = extent > 0 ? extent : 0 ;
}
}
#endif
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