annotate libgfortran/m4/minloc1s.m4 @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
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1 `/* Implementation of the MINLOC intrinsic
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2 Copyright (C) 2017-2020 Free Software Foundation, Inc.
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3 Contributed by Thomas Koenig
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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-s.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 #define HAVE_BACK_ARG 1
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34
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35 ARRAY_FUNCTION(0,
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36 ` const atype_name *minval;
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37 minval = NULL;
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38 result = 0;',
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39 ` if (minval == NULL || (back ? compare_fcn (src, minval, string_len) <= 0 :
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40 compare_fcn (src, minval, string_len) < 0))
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41 {
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42 minval = src;
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43 result = (rtype_name)n + 1;
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44 }', `')
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45
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46 MASKED_ARRAY_FUNCTION(0,
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47 ` const atype_name *minval;
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48 minval = base;
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49 result = 0;',
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50 ` if (*msrc)
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51 {
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52 minval = src;
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53 result = (rtype_name)n + 1;
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54 break;
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55 }
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56 }
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57 for (; n < len; n++, src += delta, msrc += mdelta)
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58 {
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59 if (*msrc && (back ? compare_fcn (src, minval, string_len) <= 0 :
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60 compare_fcn (src, minval, string_len) < 0))
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61 {
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62 minval = src;
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63 result = (rtype_name)n + 1;
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64 }
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65 ')
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66
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67 SCALAR_ARRAY_FUNCTION(0)
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68
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69 #endif