1`/* Implementation of the MAXLOC intrinsic
2   Copyright (C) 2017-2022 Free Software Foundation, Inc.
3   Contributed by Thomas Koenig
4
5This file is part of the GNU Fortran runtime library (libgfortran).
6
7Libgfortran is free software; you can redistribute it and/or
8modify it under the terms of the GNU General Public
9License as published by the Free Software Foundation; either
10version 3 of the License, or (at your option) any later version.
11
12Libgfortran is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17Under Section 7 of GPL version 3, you are granted additional
18permissions described in the GCC Runtime Library Exception, version
193.1, as published by the Free Software Foundation.
20
21You should have received a copy of the GNU General Public License and
22a copy of the GCC Runtime Library Exception along with this program;
23see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
24<http://www.gnu.org/licenses/>.  */
25
26#include "libgfortran.h"'
27
28include(iparm.m4)dnl
29include(ifunction-s.m4)dnl
30
31`#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)'
32
33#define HAVE_BACK_ARG 1
34
35ARRAY_FUNCTION(0,
36`	const atype_name *maxval;
37	maxval = NULL;
38	result = 0;',
39`		if (maxval == NULL || (back ? compare_fcn (src, maxval, string_len) >= 0 :
40		   	      	      	      compare_fcn (src, maxval, string_len) > 0))
41		  {
42		    maxval = src;
43		    result = (rtype_name)n + 1;
44		  }', `')
45
46MASKED_ARRAY_FUNCTION(0,
47`	const atype_name *maxval;
48	maxval = base;
49	result = 0;',
50`		if (*msrc)
51		      {
52			maxval = src;
53			result = (rtype_name)n + 1;
54			break;
55		      }
56	    }
57	    for (; n < len; n++, src += delta, msrc += mdelta)
58	      {
59		if (*msrc && (back ? compare_fcn (src, maxval, string_len) >= 0 :
60		   	     	     compare_fcn (src, maxval, string_len) > 0))
61		  {
62		    maxval = src;
63		    result = (rtype_name)n + 1;
64		  }
65	      ')
66
67SCALAR_ARRAY_FUNCTION(0)
68
69#endif
70