Jip J. Dekker
2572df0663
git-subtree-dir: software/gecode_base git-subtree-split: bbefcea214fec798a0f5acc442581984555acd21
76 lines
2.3 KiB
C++
Executable File
76 lines
2.3 KiB
C++
Executable File
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Guido Tack <tack@gecode.org>
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* Christian Schulte <schulte@gecode.org>
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*
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* Contributing authors:
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* Gabor Szokoli <szokoli@gecode.org>
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*
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* Copyright:
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* Guido Tack, 2004
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* Christian Schulte, 2004
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* Gabor Szokoli, 2004
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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namespace Gecode { namespace Set { namespace Sequence {
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/*
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* "Sequenced union" propagator
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*
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*/
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forceinline
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SeqU::SeqU(Home home, ViewArray<SetView>& x, SetView y)
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: NaryOnePropagator<SetView,PC_SET_ANY>(home,x, y) {}
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forceinline
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SeqU::SeqU(Space& home, SeqU& p)
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: NaryOnePropagator<SetView,PC_SET_ANY>(home,p) {
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unionOfDets.update(home, p.unionOfDets);
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}
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forceinline ExecStatus
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SeqU::post(Home home, ViewArray<SetView> x, SetView y) {
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switch (x.size()) {
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case 0:
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GECODE_ME_CHECK(y.cardMax(home, 0));
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return ES_OK;
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case 1:
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return Rel::Eq<SetView,SetView>::post(home, x[0], y);
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default:
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if (shared(x) || shared(x,y))
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return ES_FAILED;
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(void) new (home) SeqU(home,x,y);
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return ES_OK;
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}
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}
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}}}
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// STATISTICS: set-prop
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