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/* Implementation of the size intrinsic.
Copyright (C) 2002-2022 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 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"
/* Note: This function is only used internally in libgfortran and old FE code,
new code generates the code inline. */
index_type
size0 (const array_t * array)
{
int n;
index_type size;
index_type len;
size = 1;
for (n = 0; n < GFC_DESCRIPTOR_RANK (array); n++)
{
len = GFC_DESCRIPTOR_EXTENT(array,n);
if (len < 0)
len = 0;
size *= len;
}
return size;
}
iexport(size0);
extern index_type size1 (const array_t * array, index_type dim);
export_proto(size1);
/* Note: This function it is unused in libgfortran itself and the FE no longer
call it; however, old code might still call it. */
index_type
size1 (const array_t * array, index_type dim)
{
index_type size;
dim--;
size = GFC_DESCRIPTOR_EXTENT(array,dim);
if (size < 0)
size = 0;
return size;
}
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