147 lines
3.4 KiB
Text
147 lines
3.4 KiB
Text
`/* Implementation of the MAXLOC 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"
|
|
#include <assert.h>'
|
|
|
|
include(iparm.m4)dnl
|
|
include(iforeach.m4)dnl
|
|
|
|
`#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)'
|
|
|
|
FOREACH_FUNCTION(
|
|
` atype_name maxval;
|
|
#if defined('atype_nan`)
|
|
int fast = 0;
|
|
#endif
|
|
|
|
#if defined('atype_inf`)
|
|
maxval = -atype_inf;
|
|
#else
|
|
maxval = atype_min;
|
|
#endif',
|
|
`#if defined('atype_nan`)
|
|
if (unlikely (!fast))
|
|
{
|
|
do
|
|
{
|
|
if (*base >= maxval)
|
|
{
|
|
fast = 1;
|
|
maxval = *base;
|
|
for (n = 0; n < rank; n++)
|
|
dest[n * dstride] = count[n] + 1;
|
|
break;
|
|
}
|
|
base += sstride[0];
|
|
}
|
|
while (++count[0] != extent[0]);
|
|
if (likely (fast))
|
|
continue;
|
|
}
|
|
else
|
|
#endif
|
|
if (back)
|
|
do
|
|
{
|
|
if (unlikely (*base >= maxval))
|
|
{
|
|
maxval = *base;
|
|
for (n = 0; n < rank; n++)
|
|
dest[n * dstride] = count[n] + 1;
|
|
}
|
|
base += sstride[0];
|
|
}
|
|
while (++count[0] != extent[0]);
|
|
else
|
|
do
|
|
{
|
|
if (unlikely (*base > maxval))
|
|
{
|
|
maxval = *base;
|
|
for (n = 0; n < rank; n++)
|
|
dest[n * dstride] = count[n] + 1;
|
|
}')
|
|
MASKED_FOREACH_FUNCTION(
|
|
` atype_name maxval;
|
|
int fast = 0;
|
|
|
|
#if defined('atype_inf`)
|
|
maxval = -atype_inf;
|
|
#else
|
|
maxval = atype_min;
|
|
#endif',
|
|
` if (unlikely (!fast))
|
|
{
|
|
do
|
|
{
|
|
if (*mbase)
|
|
{
|
|
#if defined('atype_nan`)
|
|
if (unlikely (dest[0] == 0))
|
|
for (n = 0; n < rank; n++)
|
|
dest[n * dstride] = count[n] + 1;
|
|
if (*base >= maxval)
|
|
#endif
|
|
{
|
|
fast = 1;
|
|
maxval = *base;
|
|
for (n = 0; n < rank; n++)
|
|
dest[n * dstride] = count[n] + 1;
|
|
break;
|
|
}
|
|
}
|
|
base += sstride[0];
|
|
mbase += mstride[0];
|
|
}
|
|
while (++count[0] != extent[0]);
|
|
if (likely (fast))
|
|
continue;
|
|
}
|
|
else
|
|
if (back)
|
|
do
|
|
{
|
|
if (*mbase && *base >= maxval)
|
|
{
|
|
maxval = *base;
|
|
for (n = 0; n < rank; n++)
|
|
dest[n * dstride] = count[n] + 1;
|
|
}
|
|
base += sstride[0];
|
|
}
|
|
while (++count[0] != extent[0]);
|
|
else
|
|
do
|
|
{
|
|
if (*mbase && unlikely (*base > maxval))
|
|
{
|
|
maxval = *base;
|
|
for (n = 0; n < rank; n++)
|
|
dest[n * dstride] = count[n] + 1;
|
|
}')
|
|
|
|
SCALAR_FOREACH_FUNCTION(`0')
|
|
#endif
|