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bool-expr.hpp

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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, 2004
00008  *
00009  *  Last modified:
00010  *     $Date: 2012-02-22 06:04:20 +0100 (Wed, 22 Feb 2012) $ by $Author: tack $
00011  *     $Revision: 12537 $
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 namespace Gecode {
00039 
00040   /*
00041    * Operations for expressions
00042    *
00043    */
00044   forceinline
00045   BoolExpr::Node::Node(void) : use(1), m(NULL) {}
00046 
00047   forceinline
00048   BoolExpr::Node::~Node(void) { delete m; }
00049 
00050   forceinline void*
00051   BoolExpr::Node::operator new(size_t size) {
00052     return heap.ralloc(size);
00053   }
00054   forceinline void
00055   BoolExpr::Node::operator delete(void* p, size_t) {
00056     heap.rfree(p);
00057   }
00058 
00059   forceinline void*
00060   BoolExpr::MiscExpr::operator new(size_t size) {
00061     return heap.ralloc(size);
00062   }
00063   forceinline void
00064   BoolExpr::MiscExpr::operator delete(void* p, size_t) {
00065     heap.rfree(p);
00066   }
00067 
00068   forceinline
00069   BoolExpr::BoolExpr(const BoolExpr& e) : n(e.n) {
00070     n->use++;
00071   }
00072 
00073   inline BoolVar
00074   BoolExpr::expr(Home home, IntConLevel icl) const {
00075     Region r(home);
00076     return NNF::nnf(r,n,false)->expr(home,icl);
00077   }
00078 
00079   inline void
00080   BoolExpr::rel(Home home, IntConLevel icl) const {
00081     Region r(home);
00082     return NNF::nnf(r,n,false)->rel(home,icl);
00083   }
00084 
00085 }
00086 
00087 // STATISTICS: minimodel-any