| `/* Implementation of the MAXLOC intrinsic |
| Copyright (C) 2017-2019 Free Software Foundation, Inc. |
| Contributed by Thomas Koenig |
| |
| This file is part of the GNU Fortran runtime library (libgfortran). |
| |
| Libgfortran is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public |
| License as published by the Free Software Foundation; either |
| version 3 of the License, or (at your option) any later version. |
| |
| Libgfortran is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "libgfortran.h"' |
| |
| include(iparm.m4)dnl |
| include(ifunction-s.m4)dnl |
| |
| `#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)' |
| |
| #define HAVE_BACK_ARG 1 |
| |
| ARRAY_FUNCTION(0, |
| ` const atype_name *maxval; |
| maxval = NULL; |
| result = 0;', |
| ` if (maxval == NULL || (back ? compare_fcn (src, maxval, string_len) >= 0 : |
| compare_fcn (src, maxval, string_len) > 0)) |
| { |
| maxval = src; |
| result = (rtype_name)n + 1; |
| }', `') |
| |
| MASKED_ARRAY_FUNCTION(0, |
| ` const atype_name *maxval; |
| maxval = base; |
| result = 0;', |
| ` if (*msrc) |
| { |
| maxval = src; |
| result = (rtype_name)n + 1; |
| break; |
| } |
| } |
| for (; n < len; n++, src += delta, msrc += mdelta) |
| { |
| if (*msrc && (back ? compare_fcn (src, maxval, string_len) >= 0 : |
| compare_fcn (src, maxval, string_len) > 0)) |
| { |
| maxval = src; |
| result = (rtype_name)n + 1; |
| } |
| ') |
| |
| SCALAR_ARRAY_FUNCTION(0) |
| |
| #endif |