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C++
at develop
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main authors: * Christian Schulte <schulte@gecode.org> * * Copyright: * Christian Schulte, 2013 * * 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 <gecode/set/branch.hh>
namespace Gecode { namespace Set { namespace Branch {
NGL* IncNGL::copy(Space& home) { return new (home) IncNGL(home,*this); } NGL::Status IncNGL::status(const Space&) const { // Is n in the glb(x)? if (x.contains(n)) return NGL::SUBSUMED; else // Is n not in the lub(x)? return x.notContains(n) ? NGL::FAILED : NGL::NONE; } ExecStatus IncNGL::prune(Space& home) { return me_failed(x.exclude(home,n)) ? ES_FAILED : ES_OK; }
NGL* ExcNGL::copy(Space& home) { return new (home) ExcNGL(home,*this); } NGL::Status ExcNGL::status(const Space&) const { // Is n not in the lub(x)? if (x.notContains(n)) return NGL::SUBSUMED; else // Is n in the lub(x)? return x.contains(n) ? NGL::FAILED : NGL::NONE; } ExecStatus ExcNGL::prune(Space& home) { return me_failed(x.include(home,n)) ? ES_FAILED : ES_OK; }
}}}
// STATISTICS: set-branch