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/* Implementation of the is_contiguous intrinsic.
Copyright (C) 2019-2021 Free Software Foundation, Inc.
Contributed by Thomas König <tkoenig@gcc.gnu.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
<https://www.gnu.org/licenses/>. */
#include "libgfortran.h"
GFC_LOGICAL_4
is_contiguous0 (const array_t * const restrict array)
{
index_type dim;
index_type n;
index_type extent, stride;
dim = GFC_DESCRIPTOR_RANK (array);
extent = 1;
for (n = 0; n < dim; n++)
{
stride = GFC_DESCRIPTOR_STRIDE (array, n);
if (stride != extent)
return 0;
extent *= GFC_DESCRIPTOR_EXTENT (array, n);
}
return 1;
}
iexport(is_contiguous0);
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