gcc/libgfortran/m4/maxloc1s.m4
2021-01-04 10:26:59 +01:00

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`/* Implementation of the MAXLOC intrinsic
Copyright (C) 2017-2021 Free Software Foundation, Inc.
Contributed by Thomas Koenig
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(iparm.m4)dnl
include(ifunction-s.m4)dnl
`#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)'
#define HAVE_BACK_ARG 1
ARRAY_FUNCTION(0,
` const atype_name *maxval;
maxval = NULL;
result = 0;',
` if (maxval == NULL || (back ? compare_fcn (src, maxval, string_len) >= 0 :
compare_fcn (src, maxval, string_len) > 0))
{
maxval = src;
result = (rtype_name)n + 1;
}', `')
MASKED_ARRAY_FUNCTION(0,
` const atype_name *maxval;
maxval = base;
result = 0;',
` if (*msrc)
{
maxval = src;
result = (rtype_name)n + 1;
break;
}
}
for (; n < len; n++, src += delta, msrc += mdelta)
{
if (*msrc && (back ? compare_fcn (src, maxval, string_len) >= 0 :
compare_fcn (src, maxval, string_len) > 0))
{
maxval = src;
result = (rtype_name)n + 1;
}
')
SCALAR_ARRAY_FUNCTION(0)
#endif