base.hpp
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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, 2004 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 namespace Gecode { namespace Int { namespace Bool { 00039 00040 /* 00041 * Binary Boolean propagators 00042 * 00043 */ 00044 template<class BVA, class BVB> 00045 forceinline 00046 BoolBinary<BVA,BVB>::BoolBinary(Home home, BVA b0, BVB b1) 00047 : Propagator(home), x0(b0), x1(b1) { 00048 x0.subscribe(home,*this,PC_BOOL_VAL); 00049 x1.subscribe(home,*this,PC_BOOL_VAL); 00050 } 00051 00052 template<class BVA, class BVB> 00053 forceinline 00054 BoolBinary<BVA,BVB>::BoolBinary(Space& home, bool share, 00055 BoolBinary<BVA,BVB>& p) 00056 : Propagator(home,share,p) { 00057 x0.update(home,share,p.x0); 00058 x1.update(home,share,p.x1); 00059 } 00060 00061 template<class BVA, class BVB> 00062 forceinline 00063 BoolBinary<BVA,BVB>::BoolBinary(Space& home, bool share, Propagator& p, 00064 BVA b0, BVB b1) 00065 : Propagator(home,share,p) { 00066 x0.update(home,share,b0); 00067 x1.update(home,share,b1); 00068 } 00069 00070 template<class BVA, class BVB> 00071 PropCost 00072 BoolBinary<BVA,BVB>::cost(const Space&, const ModEventDelta&) const { 00073 return PropCost::unary(PropCost::LO); 00074 } 00075 00076 template<class BVA, class BVB> 00077 forceinline size_t 00078 BoolBinary<BVA,BVB>::dispose(Space& home) { 00079 x0.cancel(home,*this,PC_BOOL_VAL); 00080 x1.cancel(home,*this,PC_BOOL_VAL); 00081 (void) Propagator::dispose(home); 00082 return sizeof(*this); 00083 } 00084 00085 /* 00086 * Ternary Boolean propagators 00087 * 00088 */ 00089 template<class BVA, class BVB, class BVC> 00090 forceinline 00091 BoolTernary<BVA,BVB,BVC>::BoolTernary 00092 (Home home, BVA b0, BVB b1, BVC b2) 00093 : Propagator(home), x0(b0), x1(b1), x2(b2) { 00094 x0.subscribe(home,*this,PC_BOOL_VAL); 00095 x1.subscribe(home,*this,PC_BOOL_VAL); 00096 x2.subscribe(home,*this,PC_BOOL_VAL); 00097 } 00098 00099 template<class BVA, class BVB, class BVC> 00100 forceinline 00101 BoolTernary<BVA,BVB,BVC>::BoolTernary(Space& home, bool share, 00102 BoolTernary<BVA,BVB,BVC>& p) 00103 : Propagator(home,share,p) { 00104 x0.update(home,share,p.x0); 00105 x1.update(home,share,p.x1); 00106 x2.update(home,share,p.x2); 00107 } 00108 00109 template<class BVA, class BVB, class BVC> 00110 forceinline 00111 BoolTernary<BVA,BVB,BVC>::BoolTernary(Space& home, bool share, Propagator& p, 00112 BVA b0, BVB b1, BVC b2) 00113 : Propagator(home,share,p) { 00114 x0.update(home,share,b0); 00115 x1.update(home,share,b1); 00116 x2.update(home,share,b2); 00117 } 00118 00119 template<class BVA, class BVB, class BVC> 00120 PropCost 00121 BoolTernary<BVA,BVB,BVC>::cost(const Space&, const ModEventDelta&) const { 00122 return PropCost::binary(PropCost::LO); 00123 } 00124 00125 template<class BVA, class BVB, class BVC> 00126 forceinline size_t 00127 BoolTernary<BVA,BVB,BVC>::dispose(Space& home) { 00128 x0.cancel(home,*this,PC_BOOL_VAL); 00129 x1.cancel(home,*this,PC_BOOL_VAL); 00130 x2.cancel(home,*this,PC_BOOL_VAL); 00131 (void) Propagator::dispose(home); 00132 return sizeof(*this); 00133 } 00134 00135 }}} 00136 00137 // STATISTICS: int-prop