sort_utils.c

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/*
 * 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.
 */
 
#include "BLI_sort_utils.h" /* own include */
 
struct SortAnyByFloat {
  float sort_value;
};
 
struct SortAnyByInt {
  int sort_value;
};
 
struct SortAnyByPtr {
  const void *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;
  }
  if (a->sort_value < b->sort_value) {
    return -1;
  }
 
  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;
  }
  if (a->sort_value > b->sort_value) {
    return -1;
  }
 
  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;
  }
  if (a->sort_value < b->sort_value) {
    return -1;
  }
 
  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;
  }
  if (a->sort_value > b->sort_value) {
    return -1;
  }
 
  return 0;
}
 
int BLI_sortutil_cmp_ptr(const void *a_, const void *b_)
{
  const struct SortAnyByPtr *a = a_;
  const struct SortAnyByPtr *b = b_;
  if (a->sort_value > b->sort_value) {
    return 1;
  }
  if (a->sort_value < b->sort_value) {
    return -1;
  }
 
  return 0;
}
 
int BLI_sortutil_cmp_ptr_reverse(const void *a_, const void *b_)
{
  const struct SortAnyByPtr *a = a_;
  const struct SortAnyByPtr *b = b_;
  if (a->sort_value < b->sort_value) {
    return 1;
  }
  if (a->sort_value > b->sort_value) {
    return -1;
  }
 
  return 0;
}