formula.icc

00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Guido Tack <tack@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Guido Tack, 2006
00008  *
00009  *  Last modified:
00010  *     $Date: 2008-02-26 11:08:59 +0100 (Tue, 26 Feb 2008) $ by $Author: tack $
00011  *     $Revision: 6312 $
00012  *
00013  *  This file is part of Gecode, the generic constraint
00014  *  development environment:
00015  *     http://www.gecode.org
00016  *
00017  *  Permission is hereby granted, free of charge, to any person obtaining
00018  *  a copy of this software and associated documentation files (the
00019  *  "Software"), to deal in the Software without restriction, including
00020  *  without limitation the rights to use, copy, modify, merge, publish,
00021  *  distribute, sublicense, and/or sell copies of the Software, and to
00022  *  permit persons to whom the Software is furnished to do so, subject to
00023  *  the following conditions:
00024  *
00025  *  The above copyright notice and this permission notice shall be
00026  *  included in all copies or substantial portions of the Software.
00027  *
00028  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00029  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00030  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00031  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00032  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00033  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00034  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00035  *
00036  */
00037 
00038 /*
00039  * Operations for formulas
00040  *
00041  */
00042 
00043 inline Gecode::Formula
00044 operator-(const Gecode::Formula& f) { return Gecode::Formula(f, -1); }
00045 
00046 inline Gecode::Formula
00047 operator|(const Gecode::Formula& f, const Gecode::Formula& g) {
00048   return Gecode::Formula(f, 1, Gecode::Formula::OR, g, 1);
00049 }
00050 
00051 inline Gecode::Formula
00052 operator&(const Gecode::Formula& f, const Gecode::Formula& g) {
00053   return Gecode::Formula(f, 1, Gecode::Formula::AND, g, 1);
00054 }
00055 
00056 inline Gecode::Formula
00057 operator>>(const Gecode::Formula& f, const Gecode::Formula& g) {
00058   return Gecode::Formula(f, 1, Gecode::Formula::IMPL, g, 1);
00059 }
00060 
00061 inline Gecode::Formula
00062 operator==(const Gecode::Formula& f, const Gecode::Formula& g) {
00063   return Gecode::Formula(f, 1, Gecode::Formula::EQUIV, g, 1);
00064 }
00065 
00066 // STATISTICS: set-prop