dom.cpp
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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, 2005 00008 * 00009 * Last modified: 00010 * $Date: 2010-08-23 18:53:25 +0200 (Mon, 23 Aug 2010) $ by $Author: tack $ 00011 * $Revision: 11358 $ 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 #include "test/int.hh" 00039 00040 namespace Test { namespace Int { 00041 00043 namespace Dom { 00044 00050 00051 class DomInt : public Test { 00052 public: 00054 DomInt(int n) : Test("Dom::Int::"+str(n),n,-4,4,n == 1) {} 00056 virtual bool solution(const Assignment& x) const { 00057 for (int i=x.size(); i--; ) 00058 if (x[i] != -2) 00059 return false; 00060 return true; 00061 } 00063 virtual void post(Gecode::Space& home, Gecode::IntVarArray& x) { 00064 if (x.size() == 1) 00065 Gecode::dom(home, x[0], -2); 00066 else 00067 Gecode::dom(home, x, -2); 00068 } 00070 virtual void post(Gecode::Space& home, Gecode::IntVarArray& x, 00071 Gecode::BoolVar b) { 00072 assert(x.size() == 1); 00073 Gecode::dom(home, x[0], -2, b); 00074 } 00075 }; 00076 00077 00079 class DomRange : public Test { 00080 public: 00082 DomRange(int n) : Test("Dom::Range::"+str(n),n,-4,4,n == 1) {} 00084 virtual bool solution(const Assignment& x) const { 00085 for (int i=x.size(); i--; ) 00086 if ((x[i] < -2) || (x[i] > 2)) 00087 return false; 00088 return true; 00089 } 00091 virtual void post(Gecode::Space& home, Gecode::IntVarArray& x) { 00092 if (x.size() == 1) 00093 Gecode::dom(home, x[0], -2, 2); 00094 else 00095 Gecode::dom(home, x, -2, 2); 00096 } 00098 virtual void post(Gecode::Space& home, Gecode::IntVarArray& x, 00099 Gecode::BoolVar b) { 00100 assert(x.size() == 1); 00101 Gecode::dom(home, x[0], -2, 2, b); 00102 } 00103 }; 00104 00106 class DomRangeEmpty : public Test { 00107 public: 00109 DomRangeEmpty(void) : Test("Dom::Range::Empty",1,-4,4,true) {} 00111 virtual bool solution(const Assignment&) const { 00112 return false; 00113 } 00115 virtual void post(Gecode::Space& home, Gecode::IntVarArray&) { 00116 home.fail(); 00117 } 00119 virtual void post(Gecode::Space& home, Gecode::IntVarArray& x, 00120 Gecode::BoolVar b) { 00121 Gecode::dom(home, x[0], 3, 2, b); 00122 } 00123 }; 00124 00125 00126 const int r[4][2] = { 00127 {-4,-3},{-1,-1},{1,1},{3,5} 00128 }; 00129 Gecode::IntSet d(r,4); 00130 00132 class DomDom : public Test { 00133 public: 00135 DomDom(int n) : Test("Dom::Dom::"+str(n),n,-6,6,n == 1) {} 00137 virtual bool solution(const Assignment& x) const { 00138 for (int i=x.size(); i--; ) 00139 if (!(((x[i] >= -4) && (x[i] <= -3)) || 00140 ((x[i] >= -1) && (x[i] <= -1)) || 00141 ((x[i] >= 1) && (x[i] <= 1)) || 00142 ((x[i] >= 3) && (x[i] <= 5)))) 00143 return false; 00144 return true; 00145 } 00147 virtual void post(Gecode::Space& home, Gecode::IntVarArray& x) { 00148 if (x.size() == 1) 00149 Gecode::dom(home, x[0], d); 00150 else 00151 Gecode::dom(home, x, d); 00152 } 00154 virtual void post(Gecode::Space& home, Gecode::IntVarArray& x, 00155 Gecode::BoolVar b) { 00156 assert(x.size() == 1); 00157 Gecode::dom(home, x[0], d, b); 00158 } 00159 }; 00160 00161 DomInt di1(1); 00162 DomInt di3(3); 00163 DomRange dr1(1); 00164 DomRange dr3(3); 00165 DomDom dd1(1); 00166 DomDom dd3(3); 00167 DomRangeEmpty dre; 00169 00170 } 00171 }} 00172 00173 // STATISTICS: test-int 00174