maxval.m4 revision 1.1 1 1.1 mrg `/* Implementation of the MAXVAL intrinsic
2 1.1 mrg Copyright (C) 2002-2019 Free Software Foundation, Inc.
3 1.1 mrg Contributed by Paul Brook <paul (a] nowt.org>
4 1.1 mrg
5 1.1 mrg This file is part of the GNU Fortran runtime library (libgfortran).
6 1.1 mrg
7 1.1 mrg Libgfortran is free software; you can redistribute it and/or
8 1.1 mrg modify it under the terms of the GNU General Public
9 1.1 mrg License as published by the Free Software Foundation; either
10 1.1 mrg version 3 of the License, or (at your option) any later version.
11 1.1 mrg
12 1.1 mrg Libgfortran is distributed in the hope that it will be useful,
13 1.1 mrg but WITHOUT ANY WARRANTY; without even the implied warranty of
14 1.1 mrg MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 1.1 mrg GNU General Public License for more details.
16 1.1 mrg
17 1.1 mrg Under Section 7 of GPL version 3, you are granted additional
18 1.1 mrg permissions described in the GCC Runtime Library Exception, version
19 1.1 mrg 3.1, as published by the Free Software Foundation.
20 1.1 mrg
21 1.1 mrg You should have received a copy of the GNU General Public License and
22 1.1 mrg a copy of the GCC Runtime Library Exception along with this program;
23 1.1 mrg see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 1.1 mrg <http://www.gnu.org/licenses/>. */
25 1.1 mrg
26 1.1 mrg #include "libgfortran.h"'
27 1.1 mrg
28 1.1 mrg include(iparm.m4)dnl
29 1.1 mrg include(ifunction.m4)dnl
30 1.1 mrg
31 1.1 mrg `#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)'
32 1.1 mrg
33 1.1 mrg ARRAY_FUNCTION(atype_min,
34 1.1 mrg `#if defined ('atype_inf`)
35 1.1 mrg result = -atype_inf;
36 1.1 mrg #else
37 1.1 mrg result = atype_min;
38 1.1 mrg #endif',
39 1.1 mrg `#if defined ('atype_nan`)
40 1.1 mrg if (*src >= result)
41 1.1 mrg break;
42 1.1 mrg }
43 1.1 mrg if (unlikely (n >= len))
44 1.1 mrg result = atype_nan;
45 1.1 mrg else for (; n < len; n++, src += delta)
46 1.1 mrg {
47 1.1 mrg #endif
48 1.1 mrg if (*src > result)
49 1.1 mrg result = *src;', `')
50 1.1 mrg
51 1.1 mrg MASKED_ARRAY_FUNCTION(atype_min,
52 1.1 mrg `#if defined ('atype_inf`)
53 1.1 mrg result = -atype_inf;
54 1.1 mrg #else
55 1.1 mrg result = atype_min;
56 1.1 mrg #endif
57 1.1 mrg #if defined ('atype_nan`)
58 1.1 mrg int non_empty_p = 0;
59 1.1 mrg #endif',
60 1.1 mrg `#if defined ('atype_inf`) || defined ('atype_nan`)
61 1.1 mrg if (*msrc)
62 1.1 mrg {
63 1.1 mrg #if defined ('atype_nan`)
64 1.1 mrg non_empty_p = 1;
65 1.1 mrg if (*src >= result)
66 1.1 mrg #endif
67 1.1 mrg break;
68 1.1 mrg }
69 1.1 mrg }
70 1.1 mrg if (unlikely (n >= len))
71 1.1 mrg {
72 1.1 mrg #if defined ('atype_nan`)
73 1.1 mrg result = non_empty_p ? atype_nan : atype_min;
74 1.1 mrg #else
75 1.1 mrg result = atype_min;
76 1.1 mrg #endif
77 1.1 mrg }
78 1.1 mrg else for (; n < len; n++, src += delta, msrc += mdelta)
79 1.1 mrg {
80 1.1 mrg #endif
81 1.1 mrg if (*msrc && *src > result)
82 1.1 mrg result = *src;')
83 1.1 mrg
84 1.1 mrg SCALAR_ARRAY_FUNCTION(atype_min)
85 1.1 mrg
86 1.1 mrg #endif
87