when.cpp
Go to the documentation of this file.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, 2009 00008 * 00009 * This file is part of Gecode, the generic constraint 00010 * development environment: 00011 * http://www.gecode.org 00012 * 00013 * Permission is hereby granted, free of charge, to any person obtaining 00014 * a copy of this software and associated documentation files (the 00015 * "Software"), to deal in the Software without restriction, including 00016 * without limitation the rights to use, copy, modify, merge, publish, 00017 * distribute, sublicense, and/or sell copies of the Software, and to 00018 * permit persons to whom the Software is furnished to do so, subject to 00019 * the following conditions: 00020 * 00021 * The above copyright notice and this permission notice shall be 00022 * included in all copies or substantial portions of the Software. 00023 * 00024 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00025 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00026 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00027 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 00028 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 00029 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 00030 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00031 * 00032 */ 00033 00034 #include <gecode/int/exec.hh> 00035 00036 namespace Gecode { namespace Int { namespace Exec { 00037 00038 Actor* 00039 When::copy(Space& home) { 00040 return new (home) When(home,*this); 00041 } 00042 00043 ExecStatus 00044 When::propagate(Space& home, const ModEventDelta&) { 00045 if (x0.zero()) { 00046 GECODE_VALID_FUNCTION(e()); 00047 e()(home); 00048 } else { 00049 assert(x0.one()); 00050 GECODE_VALID_FUNCTION(t()); 00051 t()(home); 00052 } 00053 if (home.failed()) 00054 return ES_FAILED; 00055 return home.ES_SUBSUMED(*this); 00056 } 00057 00058 size_t 00059 When::dispose(Space& home) { 00060 home.ignore(*this,AP_DISPOSE); 00061 t.~SharedData<std::function<void(Space& home)>>(); 00062 e.~SharedData<std::function<void(Space& home)>>(); 00063 (void) UnaryPropagator<BoolView,PC_BOOL_VAL>::dispose(home); 00064 return sizeof(*this); 00065 } 00066 00067 }}} 00068 00069 // STATISTICS: int-prop 00070