148 lines
3.4 KiB
Plaintext
148 lines
3.4 KiB
Plaintext
`/* Implementation of the MAXLOC intrinsic
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Copyright (C) 2002-2022 Free Software Foundation, Inc.
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Contributed by Paul Brook <paul@nowt.org>
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "libgfortran.h"
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#include <assert.h>'
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include(iparm.m4)dnl
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include(iforeach.m4)dnl
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`#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)'
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FOREACH_FUNCTION(
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` atype_name maxval;
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#if defined('atype_nan`)
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int fast = 0;
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#endif
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#if defined('atype_inf`)
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maxval = -atype_inf;
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#else
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maxval = atype_min;
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#endif',
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`#if defined('atype_nan`)
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if (unlikely (!fast))
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{
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do
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{
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if (*base >= maxval)
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{
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fast = 1;
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maxval = *base;
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for (n = 0; n < rank; n++)
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dest[n * dstride] = count[n] + 1;
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break;
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}
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base += sstride[0];
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}
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while (++count[0] != extent[0]);
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if (likely (fast))
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continue;
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}
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else
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#endif
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if (back)
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do
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{
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if (unlikely (*base >= maxval))
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{
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maxval = *base;
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for (n = 0; n < rank; n++)
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dest[n * dstride] = count[n] + 1;
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}
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base += sstride[0];
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}
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while (++count[0] != extent[0]);
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else
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do
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{
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if (unlikely (*base > maxval))
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{
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maxval = *base;
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for (n = 0; n < rank; n++)
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dest[n * dstride] = count[n] + 1;
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}')
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MASKED_FOREACH_FUNCTION(
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` atype_name maxval;
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int fast = 0;
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#if defined('atype_inf`)
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maxval = -atype_inf;
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#else
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maxval = atype_min;
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#endif',
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` if (unlikely (!fast))
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{
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do
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{
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if (*mbase)
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{
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#if defined('atype_nan`)
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if (unlikely (dest[0] == 0))
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for (n = 0; n < rank; n++)
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dest[n * dstride] = count[n] + 1;
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if (*base >= maxval)
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#endif
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{
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fast = 1;
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maxval = *base;
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for (n = 0; n < rank; n++)
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dest[n * dstride] = count[n] + 1;
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break;
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}
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}
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base += sstride[0];
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mbase += mstride[0];
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}
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while (++count[0] != extent[0]);
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if (likely (fast))
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continue;
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}
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else
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if (back)
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do
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{
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if (*mbase && *base >= maxval)
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{
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maxval = *base;
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for (n = 0; n < rank; n++)
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dest[n * dstride] = count[n] + 1;
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}
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base += sstride[0];
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}
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while (++count[0] != extent[0]);
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else
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do
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{
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if (*mbase && unlikely (*base > maxval))
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{
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maxval = *base;
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for (n = 0; n < rank; n++)
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dest[n * dstride] = count[n] + 1;
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}')
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SCALAR_FOREACH_FUNCTION(`0')
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#endif
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