| /* Implementation of the is_contiguous intrinsic. |
| Copyright (C) 2019-2021 Free Software Foundation, Inc. |
| Contributed by Thomas König <tkoenig@gcc.gnu.org> |
| |
| 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 |
| <https://www.gnu.org/licenses/>. */ |
| |
| #include "libgfortran.h" |
| |
| GFC_LOGICAL_4 |
| is_contiguous0 (const array_t * const restrict array) |
| { |
| index_type dim; |
| index_type n; |
| index_type extent, stride; |
| |
| dim = GFC_DESCRIPTOR_RANK (array); |
| |
| extent = 1; |
| for (n = 0; n < dim; n++) |
| { |
| stride = GFC_DESCRIPTOR_STRIDE (array, n); |
| if (stride != extent) |
| return 0; |
| |
| extent *= GFC_DESCRIPTOR_EXTENT (array, n); |
| } |
| |
| return 1; |
| } |
| iexport(is_contiguous0); |