xapian-core/common/omassert.cc

   1 /** @file
   2  * @brief Helper functions for omassert.h
   3  */
   4 /* Copyright (C) 2007,2012 Olly Betts
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include <config.h>
  22
  23 #ifdef XAPIAN_ASSERTIONS
  24
  25 #include "omassert.h"
  26
  27 #include <cfloat>
  28 #include <cmath>
  29
  30 using namespace std;
  31
  32 namespace Xapian {
  33 namespace Internal {
  34
  35 bool within_DBL_EPSILON(double a, double b) {
  36     return fabs(a - b) < DBL_EPSILON;
  37 }
  38
  39 }
  40 }
  41
  42 #endif