libgfortran/m4/minloc1.m4

   1 `/* Implementation of the MINLOC intrinsic
   2    Copyright (C) 2002-2021 Free Software Foundation, Inc.
   3    Contributed by Paul Brook <paul@nowt.org>
   4
   5 This file is part of the GNU Fortran runtime library (libgfortran).
   6
   7 Libgfortran is free software; you can redistribute it and/or
   8 modify it under the terms of the GNU General Public
   9 License as published by the Free Software Foundation; either
  10 version 3 of the License, or (at your option) any later version.
  11
  12 Libgfortran is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 Under Section 7 of GPL version 3, you are granted additional
  18 permissions described in the GCC Runtime Library Exception, version
  19 3.1, as published by the Free Software Foundation.
  20
  21 You should have received a copy of the GNU General Public License and
  22 a copy of the GCC Runtime Library Exception along with this program;
  23 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 <http://www.gnu.org/licenses/>.  */
  25
  26 #include "libgfortran.h"
  27 #include <assert.h>'
  28
  29 include(iparm.m4)dnl
  30 include(ifunction.m4)dnl
  31
  32 `#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)'
  33
  34 #define HAVE_BACK_ARG 1
  35
  36 ARRAY_FUNCTION(0,
  37 `       atype_name minval;
  38 #if defined ('atype_inf`)
  39         minval = atype_inf;
  40 #else
  41         minval = atype_max;
  42 #endif
  43         result = 1;',
  44 `#if defined ('atype_nan`)
  45            for (n = 0; n < len; n++, src += delta)
  46              {
  47                 if (*src <= minval)
  48                   {
  49                     minval = *src;
  50                     result = (rtype_name)n + 1;
  51                     break;
  52                   }
  53               }
  54 #else
  55             n = 0;
  56 #endif
  57             if (back)
  58               for (; n < len; n++, src += delta)
  59                 {
  60                   if (unlikely (*src <= minval))
  61                     {
  62                       minval = *src;
  63                       result = (rtype_name)n + 1;
  64                     }
  65                 }
  66             else
  67               for (; n < len; n++, src += delta)
  68                 {
  69                   if (unlikely (*src < minval))
  70                     {
  71                       minval = *src;
  72                       result = (rtype_name) n + 1;
  73                     }')
  74
  75 MASKED_ARRAY_FUNCTION(0,
  76 `       atype_name minval;
  77 #if defined ('atype_inf`)
  78         minval = atype_inf;
  79 #else
  80         minval = atype_max;
  81 #endif
  82 #if defined ('atype_nan`)
  83         rtype_name result2 = 0;
  84 #endif
  85         result = 0;',
  86 `               if (*msrc)
  87                   {
  88 #if defined ('atype_nan`)
  89                     if (!result2)
  90                       result2 = (rtype_name)n + 1;
  91                     if (*src <= minval)
  92 #endif
  93                       {
  94                         minval = *src;
  95                         result = (rtype_name)n + 1;
  96                         break;
  97                       }
  98                   }
  99               }
 100 #if defined ('atype_nan`)
 101             if (unlikely (n >= len))
 102               result = result2;
 103             else
 104 #endif
 105             if (back)
 106               for (; n < len; n++, src += delta, msrc += mdelta)
 107                 {
 108                   if (*msrc && unlikely (*src <= minval))
 109                     {
 110                       minval = *src;
 111                       result = (rtype_name)n + 1;
 112                     }
 113                 }
 114               else
 115                 for (; n < len; n++, src += delta, msrc += mdelta)
 116                   {
 117                     if (*msrc && unlikely (*src < minval))
 118                       {
 119                         minval = *src;
 120                         result = (rtype_name) n + 1;
 121                       }')
 122
 123 SCALAR_ARRAY_FUNCTION(0)
 124
 125 #endif