Generated on Thu Apr 11 13:59:09 2019 for Gecode by doxygen 1.6.3

irt.hpp

Go to the documentation of this file.
00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Christian Schulte, 2017
00008  *
00009  *  This file is part of Gecode, the generic constraint
00010  *  development environment:
00011  *     http://www.gecode.org
00012  *
00013  *  Permission is hereby granted, free of charge, to any person obtaining
00014  *  a copy of this software and associated documentation files (the
00015  *  "Software"), to deal in the Software without restriction, including
00016  *  without limitation the rights to use, copy, modify, merge, publish,
00017  *  distribute, sublicense, and/or sell copies of the Software, and to
00018  *  permit persons to whom the Software is furnished to do so, subject to
00019  *  the following conditions:
00020  *
00021  *  The above copyright notice and this permission notice shall be
00022  *  included in all copies or substantial portions of the Software.
00023  *
00024  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00025  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00026  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00027  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00028  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00029  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00030  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00031  *
00032  */
00033 
00034 namespace Gecode {
00035 
00036   forceinline IntRelType
00037   swap(IntRelType irt) {
00038     switch (irt) {
00039     case IRT_EQ: return IRT_EQ;
00040     case IRT_NQ: return IRT_NQ;
00041     case IRT_LE: return IRT_GR;
00042     case IRT_LQ: return IRT_GQ;
00043     case IRT_GR: return IRT_LE;
00044     case IRT_GQ: return IRT_LQ;
00045     default: GECODE_NEVER;
00046     }
00047     GECODE_NEVER;
00048     return IRT_EQ; // Avoid compiler warnings
00049   }
00050 
00051   forceinline IntRelType
00052   neg(IntRelType irt) {
00053     switch (irt) {
00054       case IRT_EQ: return IRT_NQ;
00055       case IRT_NQ: return IRT_EQ;
00056       case IRT_GQ: return IRT_LE;
00057       case IRT_LQ: return IRT_GR;
00058       case IRT_LE: return IRT_GQ;
00059       case IRT_GR: return IRT_LQ;
00060       default: GECODE_NEVER;
00061     }
00062     GECODE_NEVER;
00063     return IRT_EQ; // Avoid compiler warnings
00064   }
00065 
00066 
00067 }
00068 
00069 // STATISTICS: int-post
00070