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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main authors: * Christian Schulte <schulte@gecode.org> * * Copyright: * Christian Schulte, 2009 * * This file is part of Gecode, the generic constraint * development environment: * http://www.gecode.org * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */
#include <algorithm>
namespace Gecode { namespace Int { namespace Unary {
template<class TaskView> forceinline ExecStatus edgefinding(Space& home, TaskViewArray<TaskView>& t) { Region r;
OmegaLambdaTree<TaskView> ol(r,t); TaskViewIter<TaskView,STO_LCT,false> q(r,t);
int j = q.task(); while (q.left() > 1) { if (ol.ect() > t[j].lct()) return ES_FAILED; ol.shift(j); ++q; j = q.task(); while (!ol.lempty() && (ol.lect() > t[j].lct())) { int i = ol.responsible(); GECODE_ME_CHECK(t[i].est(home,ol.ect())); ol.lremove(i); } }
return ES_OK; }
template<class Task> ExecStatus edgefinding(Space& home, TaskArray<Task>& t) { TaskViewArray<typename TaskTraits<Task>::TaskViewFwd> f(t); GECODE_ES_CHECK(edgefinding(home,f)); TaskViewArray<typename TaskTraits<Task>::TaskViewBwd> b(t); return edgefinding(home,b); }
}}}
// STATISTICS: int-prop