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      1 `/* Implementation of the MAXVAL intrinsic
      2    Copyright (C) 2002-2022 Free Software Foundation, Inc.
      3    Contributed by Paul Brook <paul (a] 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 
     28 include(iparm.m4)dnl
     29 include(ifunction.m4)dnl
     30 
     31 `#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)'
     32 
     33 ARRAY_FUNCTION(atype_min,
     34 `#if defined ('atype_inf`)
     35 	result = -atype_inf;
     36 #else
     37 	result = atype_min;
     38 #endif',
     39 `#if defined ('atype_nan`)
     40 		if (*src >= result)
     41 		  break;
     42 	      }
     43 	    if (unlikely (n >= len))
     44 	      result = atype_nan;
     45 	    else for (; n < len; n++, src += delta)
     46 	      {
     47 #endif
     48 		if (*src > result)
     49 		  result = *src;', `')
     50 
     51 MASKED_ARRAY_FUNCTION(atype_min,
     52 `#if defined ('atype_inf`)
     53 	result = -atype_inf;
     54 #else
     55 	result = atype_min;
     56 #endif
     57 #if defined ('atype_nan`)
     58 	int non_empty_p = 0;
     59 #endif',
     60 `#if defined ('atype_inf`) || defined ('atype_nan`)
     61 		if (*msrc)
     62 		  {
     63 #if defined ('atype_nan`)
     64 		    non_empty_p = 1;
     65 		    if (*src >= result)
     66 #endif
     67 		      break;
     68 		  }
     69 	      }
     70 	    if (unlikely (n >= len))
     71 	      {
     72 #if defined ('atype_nan`)
     73 		result = non_empty_p ? atype_nan : atype_min;
     74 #else
     75 		result = atype_min;
     76 #endif
     77 	      }
     78 	    else for (; n < len; n++, src += delta, msrc += mdelta)
     79 	      {
     80 #endif
     81 		if (*msrc && *src > result)
     82 		  result = *src;')
     83 
     84 SCALAR_ARRAY_FUNCTION(atype_min)
     85 
     86 #endif
     87