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102 lines
2.4 KiB
Plaintext
102 lines
2.4 KiB
Plaintext
`/* Implementation of the MAXLOC intrinsic
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Copyright 2002, 2007, 2009, 2010 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 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 <stdlib.h>
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#include <assert.h>
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#include <limits.h>'
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include(iparm.m4)dnl
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include(ifunction.m4)dnl
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`#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)'
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ARRAY_FUNCTION(0,
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` atype_name maxval;
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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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result = 1;',
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`#if defined ('atype_nan`)
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if (*src >= maxval)
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{
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maxval = *src;
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result = (rtype_name)n + 1;
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break;
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}
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}
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for (; n < len; n++, src += delta)
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{
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#endif
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if (*src > maxval)
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{
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maxval = *src;
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result = (rtype_name)n + 1;
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}', `')
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MASKED_ARRAY_FUNCTION(0,
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` atype_name maxval;
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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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rtype_name result2 = 0;
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#endif
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result = 0;',
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` if (*msrc)
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{
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#if defined ('atype_nan`)
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if (!result2)
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result2 = (rtype_name)n + 1;
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if (*src >= maxval)
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#endif
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{
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maxval = *src;
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result = (rtype_name)n + 1;
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break;
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}
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}
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}
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#if defined ('atype_nan`)
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if (unlikely (n >= len))
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result = result2;
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else
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#endif
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for (; n < len; n++, src += delta, msrc += mdelta)
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{
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if (*msrc && *src > maxval)
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{
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maxval = *src;
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result = (rtype_name)n + 1;
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}')
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SCALAR_ARRAY_FUNCTION(0)
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#endif
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