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1 `/* Implementation of the MAXVAL intrinsic
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145
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2 Copyright (C) 2002-2020 Free Software Foundation, Inc.
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111
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3 Contributed by Paul Brook <paul@nowt.org>
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4
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5 This file is part of the GNU Fortran runtime library (libgfortran).
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6
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7 Libgfortran is free software; you can redistribute it and/or
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8 modify it under the terms of the GNU General Public
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9 License as published by the Free Software Foundation; either
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10 version 3 of the License, or (at your option) any later version.
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11
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12 Libgfortran is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 Under Section 7 of GPL version 3, you are granted additional
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18 permissions described in the GCC Runtime Library Exception, version
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19 3.1, as published by the Free Software Foundation.
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20
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21 You should have received a copy of the GNU General Public License and
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22 a copy of the GCC Runtime Library Exception along with this program;
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23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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24 <http://www.gnu.org/licenses/>. */
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25
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26 #include "libgfortran.h"'
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27
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28 include(iparm.m4)dnl
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29 include(ifunction.m4)dnl
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30
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31 `#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)'
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32
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33 ARRAY_FUNCTION(atype_min,
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34 `#if defined ('atype_inf`)
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35 result = -atype_inf;
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36 #else
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37 result = atype_min;
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38 #endif',
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39 `#if defined ('atype_nan`)
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40 if (*src >= result)
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41 break;
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42 }
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43 if (unlikely (n >= len))
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44 result = atype_nan;
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45 else for (; n < len; n++, src += delta)
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46 {
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47 #endif
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48 if (*src > result)
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49 result = *src;', `')
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50
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51 MASKED_ARRAY_FUNCTION(atype_min,
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52 `#if defined ('atype_inf`)
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53 result = -atype_inf;
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54 #else
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55 result = atype_min;
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56 #endif
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57 #if defined ('atype_nan`)
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58 int non_empty_p = 0;
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59 #endif',
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60 `#if defined ('atype_inf`) || defined ('atype_nan`)
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61 if (*msrc)
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62 {
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63 #if defined ('atype_nan`)
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64 non_empty_p = 1;
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65 if (*src >= result)
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66 #endif
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67 break;
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68 }
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69 }
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70 if (unlikely (n >= len))
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71 {
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72 #if defined ('atype_nan`)
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73 result = non_empty_p ? atype_nan : atype_min;
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74 #else
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75 result = atype_min;
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76 #endif
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77 }
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78 else for (; n < len; n++, src += delta, msrc += mdelta)
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79 {
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80 #endif
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81 if (*msrc && *src > result)
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82 result = *src;')
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83
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84 SCALAR_ARRAY_FUNCTION(atype_min)
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85
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86 #endif
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