diff options
author | Campbell Barton <ideasman42@gmail.com> | 2013-09-06 02:24:12 +0400 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2013-09-06 02:24:12 +0400 |
commit | 7a38fe97fdf6971ed3f52bba08e942bf915112c7 (patch) | |
tree | cd8569ff5a689f2b86aaae3c9b791e26b3deaf4b /source/blender/blenlib/intern/sort_utils.c | |
parent | 6cc3aec8bc3cde3a0007fd877e40a744ee44c2e2 (diff) |
sorting utility functions for simple cases - sorting pointers by float for example.
Diffstat (limited to 'source/blender/blenlib/intern/sort_utils.c')
-rw-r--r-- | source/blender/blenlib/intern/sort_utils.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/sort_utils.c b/source/blender/blenlib/intern/sort_utils.c new file mode 100644 index 00000000000..c75e8e7455f --- /dev/null +++ b/source/blender/blenlib/intern/sort_utils.c @@ -0,0 +1,74 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program 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 2 + * of the License, or (at your option) any later version. + * + * This program 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2013 Blender Foundation. + * All rights reserved. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/blenlib/intern/sort_utils.c + * \ingroup bli + * + * Utility functions for sorting common types. + */ + +#include "BLI_sort_utils.h" /* own include */ + +struct SortAnyByFloat { + float sort_value; +}; + +struct SortAnyByInt { + int sort_value; +}; + +int BLI_sortutil_cmp_float(const void *a_, const void *b_) +{ + const struct SortAnyByFloat *a = a_; + const struct SortAnyByFloat *b = b_; + if (a->sort_value > b->sort_value) return 1; + else if (a->sort_value < b->sort_value) return -1; + else return 0; +} + +int BLI_sortutil_cmp_float_reverse(const void *a_, const void *b_) +{ + const struct SortAnyByFloat *a = a_; + const struct SortAnyByFloat *b = b_; + if (a->sort_value < b->sort_value) return 1; + else if (a->sort_value > b->sort_value) return -1; + else return 0; +} + +int BLI_sortutil_cmp_int(const void *a_, const void *b_) +{ + const struct SortAnyByInt *a = a_; + const struct SortAnyByInt *b = b_; + if (a->sort_value > b->sort_value) return 1; + else if (a->sort_value < b->sort_value) return -1; + else return 0; +} + +int BLI_sortutil_cmp_int_reverse(const void *a_, const void *b_) +{ + const struct SortAnyByInt *a = a_; + const struct SortAnyByInt *b = b_; + if (a->sort_value < b->sort_value) return 1; + else if (a->sort_value > b->sort_value) return -1; + else return 0; +} |