element.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, 2004 00008 * 00009 * Last modified: 00010 * $Date: 2010-03-03 17:40:32 +0100 (Wed, 03 Mar 2010) $ by $Author: schulte $ 00011 * $Revision: 10365 $ 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 <gecode/int/element.hh> 00039 00040 namespace Gecode { 00041 00042 using namespace Int; 00043 00044 void 00045 element(Home home, IntSharedArray c, IntVar x0, IntVar x1, 00046 IntConLevel) { 00047 if (c.size() == 0) 00048 throw TooFewArguments("Int::element"); 00049 if (home.failed()) return; 00050 for (int i = c.size(); i--; ) 00051 Limits::check(c[i],"Int::element"); 00052 GECODE_ES_FAIL((Element::post_int<IntView,IntView>(home,c,x0,x1))); 00053 } 00054 00055 void 00056 element(Home home, IntSharedArray c, IntVar x0, BoolVar x1, 00057 IntConLevel) { 00058 if (c.size() == 0) 00059 throw TooFewArguments("Int::element"); 00060 if (home.failed()) return; 00061 for (int i = c.size(); i--; ) 00062 Limits::check(c[i],"Int::element"); 00063 GECODE_ES_FAIL((Element::post_int<IntView,BoolView>(home,c,x0,x1))); 00064 } 00065 00066 void 00067 element(Home home, IntSharedArray c, IntVar x0, int x1, 00068 IntConLevel) { 00069 if (c.size() == 0) 00070 throw TooFewArguments("Int::element"); 00071 Limits::check(x1,"Int::element"); 00072 if (home.failed()) return; 00073 for (int i = c.size(); i--; ) 00074 Limits::check(c[i],"Int::element"); 00075 ConstIntView cx1(x1); 00076 GECODE_ES_FAIL( 00077 (Element::post_int<IntView,ConstIntView>(home,c,x0,cx1))); 00078 } 00079 00080 void 00081 element(Home home, const IntVarArgs& c, IntVar x0, IntVar x1, 00082 IntConLevel icl) { 00083 if (c.size() == 0) 00084 throw TooFewArguments("Int::element"); 00085 if (home.failed()) return; 00086 Element::IdxViewArray<IntView> iv(home,c); 00087 if ((icl == ICL_DOM) || (icl == ICL_DEF)) { 00088 GECODE_ES_FAIL((Element::ViewDom<IntView,IntView,IntView> 00089 ::post(home,iv,x0,x1))); 00090 } else { 00091 GECODE_ES_FAIL((Element::ViewBnd<IntView,IntView,IntView> 00092 ::post(home,iv,x0,x1))); 00093 } 00094 } 00095 00096 void 00097 element(Home home, const IntVarArgs& c, IntVar x0, int x1, 00098 IntConLevel icl) { 00099 if (c.size() == 0) 00100 throw TooFewArguments("Int::element"); 00101 Limits::check(x1,"Int::element"); 00102 if (home.failed()) return; 00103 Element::IdxViewArray<IntView> iv(home,c); 00104 ConstIntView v1(x1); 00105 if ((icl == ICL_DOM) || (icl == ICL_DEF)) { 00106 GECODE_ES_FAIL((Element::ViewDom<IntView,IntView,ConstIntView> 00107 ::post(home,iv,x0,v1))); 00108 } else { 00109 GECODE_ES_FAIL((Element::ViewBnd<IntView,IntView,ConstIntView> 00110 ::post(home,iv,x0,v1))); 00111 } 00112 } 00113 00114 void 00115 element(Home home, const BoolVarArgs& c, IntVar x0, BoolVar x1, 00116 IntConLevel) { 00117 if (c.size() == 0) 00118 throw TooFewArguments("Int::element"); 00119 if (home.failed()) return; 00120 Element::IdxViewArray<BoolView> iv(home,c); 00121 GECODE_ES_FAIL((Element::ViewBnd<BoolView,IntView,BoolView> 00122 ::post(home,iv,x0,x1))); 00123 } 00124 00125 void 00126 element(Home home, const BoolVarArgs& c, IntVar x0, int x1, 00127 IntConLevel) { 00128 if (c.size() == 0) 00129 throw TooFewArguments("Int::element"); 00130 Limits::check(x1,"Int::element"); 00131 if (home.failed()) return; 00132 Element::IdxViewArray<BoolView> iv(home,c); 00133 ConstIntView v1(x1); 00134 GECODE_ES_FAIL((Element::ViewBnd<BoolView,IntView,ConstIntView> 00135 ::post(home,iv,x0,v1))); 00136 } 00137 00138 namespace { 00139 IntVar 00140 pair(Home home, IntVar x, int w, IntVar y, int h) { 00141 IntVar xy(home,0,w*h-1); 00142 if (Element::Pair::post(home,x,y,xy,w,h) != ES_OK) 00143 home.fail(); 00144 return xy; 00145 } 00146 } 00147 00148 void 00149 element(Home home, IntSharedArray a, 00150 IntVar x, int w, IntVar y, int h, IntVar z, 00151 IntConLevel icl) { 00152 if (a.size() != w*h) 00153 throw Int::ArgumentSizeMismatch("Int::element"); 00154 if (home.failed()) return; 00155 element(home, a, pair(home,x,w,y,h), z, icl); 00156 } 00157 00158 void 00159 element(Home home, IntSharedArray a, 00160 IntVar x, int w, IntVar y, int h, BoolVar z, 00161 IntConLevel icl) { 00162 if (a.size() != w*h) 00163 throw Int::ArgumentSizeMismatch("Int::element"); 00164 if (home.failed()) return; 00165 element(home, a, pair(home,x,w,y,h), z, icl); 00166 } 00167 00168 void 00169 element(Home home, const IntVarArgs& a, 00170 IntVar x, int w, IntVar y, int h, IntVar z, 00171 IntConLevel icl) { 00172 if (a.size() != w*h) 00173 throw Int::ArgumentSizeMismatch("Int::element"); 00174 if (home.failed()) return; 00175 element(home, a, pair(home,x,w,y,h), z, icl); 00176 } 00177 00178 void 00179 element(Home home, const BoolVarArgs& a, 00180 IntVar x, int w, IntVar y, int h, BoolVar z, 00181 IntConLevel icl) { 00182 if (a.size() != w*h) 00183 throw Int::ArgumentSizeMismatch("Int::element"); 00184 if (home.failed()) return; 00185 element(home, a, pair(home,x,w,y,h), z, icl); 00186 } 00187 00188 } 00189 00190 // STATISTICS: int-post