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C++
at develop
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576/* -*- 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. * */
namespace Gecode { namespace Set { namespace Sequence {
/* * "Sequenced union" propagator * */
forceinline SeqU::SeqU(Home home, ViewArray<SetView>& x, SetView y) : NaryOnePropagator<SetView,PC_SET_ANY>(home,x, y) {}
forceinline SeqU::SeqU(Space& home, SeqU& p) : NaryOnePropagator<SetView,PC_SET_ANY>(home,p) { unionOfDets.update(home, p.unionOfDets); }
forceinline ExecStatus SeqU::post(Home home, ViewArray<SetView> x, SetView y) { switch (x.size()) { case 0: GECODE_ME_CHECK(y.cardMax(home, 0)); return ES_OK; case 1: return Rel::Eq<SetView,SetView>::post(home, x[0], y); default: if (shared(x) || shared(x,y)) return ES_FAILED; (void) new (home) SeqU(home,x,y); return ES_OK; } }
}}}
// STATISTICS: set-prop