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 * Last modified: 00010 * $Date: 2017-03-01 04:28:36 +0100 (Wed, 01 Mar 2017) $ by $Author: schulte $ 00011 * $Revision: 15541 $ 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/exec.hh> 00039 00040 namespace Gecode { namespace Int { namespace Exec { 00041 00042 Actor* 00043 When::copy(Space& home, bool share) { 00044 return new (home) When(home,share,*this); 00045 } 00046 00047 ExecStatus 00048 When::propagate(Space& home, const ModEventDelta&) { 00049 if (x0.zero()) { 00050 GECODE_VALID_FUNCTION(e()); 00051 e()(home); 00052 } else { 00053 assert(x0.one()); 00054 GECODE_VALID_FUNCTION(t()); 00055 t()(home); 00056 } 00057 if (home.failed()) 00058 return ES_FAILED; 00059 return home.ES_SUBSUMED(*this); 00060 } 00061 00062 size_t 00063 When::dispose(Space& home) { 00064 home.ignore(*this,AP_DISPOSE); 00065 t.~SharedData<std::function<void(Space& home)>>(); 00066 e.~SharedData<std::function<void(Space& home)>>(); 00067 (void) UnaryPropagator<BoolView,PC_BOOL_VAL>::dispose(home); 00068 return sizeof(*this); 00069 } 00070 00071 }}} 00072 00073 // STATISTICS: int-prop 00074