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at develop
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main authors: * Guido Tack <tack@gecode.org> * Christian Schulte <schulte@gecode.org> * * Contributing authors: * Gabor Szokoli <szokoli@gecode.org> * * Copyright: * Guido Tack, 2004 * Christian Schulte, 2004 * Gabor Szokoli, 2004 * * 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/sequence.hh>
namespace Gecode { namespace Set { namespace Sequence {
/* * "Sequence" propagator * */
Actor* Seq::copy(Space& home) { return new (home) Seq(home,*this); }
ExecStatus Seq::propagate(Space& home, const ModEventDelta&) { bool modified = false; bool assigned; do { assigned = false; modified = false; GECODE_ES_CHECK(propagateSeq(home, modified, assigned, x)); } while (assigned || modified);
for (int i=x.size(); i--;) if (!x[i].assigned()) return ES_FIX;
return home.ES_SUBSUMED(*this); }
}}}
// STATISTICS: set-prop