circuit.hh
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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, 2006 00008 * 00009 * Last modified: 00010 * $Date: 2009-10-12 17:36:53 +0200 (Mon, 12 Oct 2009) $ by $Author: schulte $ 00011 * $Revision: 9878 $ 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 #ifndef __GECODE_GRAPH_CIRCUIT_HH__ 00039 #define __GECODE_GRAPH_CIRCUIT_HH__ 00040 00041 #include <gecode/graph.hh> 00042 #include <gecode/int/distinct.hh> 00043 00049 namespace Gecode { namespace Graph { namespace Circuit { 00050 00058 template<class View> 00059 class Base : public NaryPropagator<View,Int::PC_INT_DOM> { 00060 protected: 00061 using NaryPropagator<View,Int::PC_INT_DOM>::x; 00063 ViewArray<View> y; 00065 Base(Space& home, bool share, Base& p); 00067 Base(Home home, ViewArray<View>& x); 00069 ExecStatus connected(Space& home); 00071 ExecStatus path(Space& home); 00072 public: 00074 virtual size_t dispose(Space& home); 00075 }; 00076 00087 template<class View> 00088 class Val : public Base<View> { 00089 protected: 00090 using Base<View>::x; 00091 using Base<View>::y; 00092 using Base<View>::connected; 00093 using Base<View>::path; 00095 Val(Space& home, bool share, Val& p); 00097 Val(Home home, ViewArray<View>& x); 00098 public: 00100 virtual Actor* copy(Space& home, bool share); 00102 virtual PropCost cost(const Space& home, const ModEventDelta& med) const; 00104 virtual ExecStatus propagate(Space& home, const ModEventDelta& med); 00106 static ExecStatus post(Home home, ViewArray<View>& x); 00107 }; 00108 00119 template<class View> 00120 class Dom : public Base<View> { 00121 protected: 00122 using Base<View>::x; 00123 using Base<View>::y; 00124 using Base<View>::connected; 00125 using Base<View>::path; 00127 Int::Distinct::DomCtrl<View> dc; 00129 Dom(Space& home, bool share, Dom& p); 00131 Dom(Home home, ViewArray<View>& x); 00132 public: 00134 virtual Actor* copy(Space& home, bool share); 00141 virtual PropCost cost(const Space& home, const ModEventDelta& med) const; 00143 virtual ExecStatus propagate(Space& home, const ModEventDelta& med); 00145 static ExecStatus post(Home home, ViewArray<View>& x); 00146 }; 00147 00148 }}} 00149 00150 #include <gecode/graph/circuit/base.hpp> 00151 #include <gecode/graph/circuit/val.hpp> 00152 #include <gecode/graph/circuit/dom.hpp> 00153 00154 #endif 00155 00156 // STATISTICS: graph-prop