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`/* Implementation of the MAXLOC intrinsic

   Copyright 2002, 2007, 2009, 2010 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 <stdlib.h>

#include <assert.h>

#include <limits.h>'

include(iparm.m4)dnl

include(ifunction.m4)dnl

`#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)'

ARRAY_FUNCTION(0,

`       atype_name maxval;

#if defined ('atype_inf`)

        maxval = -atype_inf;

#else

        maxval = atype_min;

#endif

        result = 1;',

`#if defined ('atype_nan`)

                if (*src >= maxval)

                  {

                    maxval = *src;

                    result = (rtype_name)n + 1;

                    break;

                  }

              }

            for (; n < len; n++, src += delta)

              {

#endif

                if (*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

            for (; n < len; n++, src += delta, msrc += mdelta)

              {

                if (*msrc && *src > maxval)

                  {

                    maxval = *src;

                    result = (rtype_name)n + 1;

                  }')

SCALAR_ARRAY_FUNCTION(0)

#endif