116 lines
2.7 KiB
Plaintext
116 lines
2.7 KiB
Plaintext
`/* Implementation of the MAXLOC intrinsic
|
|
Copyright (C) 2002-2020 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 <assert.h>'
|
|
|
|
include(iparm.m4)dnl
|
|
include(ifunction.m4)dnl
|
|
|
|
`#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)'
|
|
|
|
#define HAVE_BACK_ARG 1
|
|
|
|
ARRAY_FUNCTION(0,
|
|
` atype_name maxval;
|
|
#if defined ('atype_inf`)
|
|
maxval = -atype_inf;
|
|
#else
|
|
maxval = atype_min;
|
|
#endif
|
|
result = 1;',
|
|
`#if defined ('atype_nan`)
|
|
for (n = 0; n < len; n++, src += delta)
|
|
{
|
|
if (*src >= maxval)
|
|
{
|
|
maxval = *src;
|
|
result = (rtype_name)n + 1;
|
|
break;
|
|
}
|
|
}
|
|
#else
|
|
n = 0;
|
|
#endif
|
|
for (; n < len; n++, src += delta)
|
|
{
|
|
if (back ? *src >= maxval : *src > maxval)
|
|
{
|
|
maxval = *src;
|
|
result = (rtype_name)n + 1;
|
|
}', `')
|
|
|
|
MASKED_ARRAY_FUNCTION(0,
|
|
` atype_name maxval;
|
|
#if defined ('atype_inf`)
|
|
maxval = -atype_inf;
|
|
#else
|
|
maxval = atype_min;
|
|
#endif
|
|
#if defined ('atype_nan`)
|
|
rtype_name result2 = 0;
|
|
#endif
|
|
result = 0;',
|
|
` if (*msrc)
|
|
{
|
|
#if defined ('atype_nan`)
|
|
if (!result2)
|
|
result2 = (rtype_name)n + 1;
|
|
if (*src >= maxval)
|
|
#endif
|
|
{
|
|
maxval = *src;
|
|
result = (rtype_name)n + 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#if defined ('atype_nan`)
|
|
if (unlikely (n >= len))
|
|
result = result2;
|
|
else
|
|
#endif
|
|
if (back)
|
|
for (; n < len; n++, src += delta, msrc += mdelta)
|
|
{
|
|
if (*msrc && unlikely (*src >= maxval))
|
|
{
|
|
maxval = *src;
|
|
result = (rtype_name)n + 1;
|
|
}
|
|
}
|
|
else
|
|
for (; n < len; n++, src += delta, msrc += mdelta)
|
|
{
|
|
if (*msrc && unlikely (*src > maxval))
|
|
{
|
|
maxval = *src;
|
|
result = (rtype_name)n + 1;
|
|
}')
|
|
|
|
SCALAR_ARRAY_FUNCTION(0)
|
|
|
|
#endif
|