Jip J. Dekker
2572df0663
git-subtree-dir: software/gecode_base git-subtree-split: bbefcea214fec798a0f5acc442581984555acd21
76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2016
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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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#include <gecode/set.hh>
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#include <gecode/search/relax.hh>
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namespace Gecode { namespace Set {
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/// Class for posting equalities for non-relaxed variables
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class Relax {
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public:
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/// Post the actual equality for non-relaxed variables
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ExecStatus operator ()(Home home, SetVar x, SetVar sx);
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};
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forceinline ExecStatus
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Relax::operator ()(Home home, SetVar x, SetVar sx) {
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SetView xv(x);
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SetView sxv(sx);
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SetVarGlbRanges l(sxv);
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GECODE_ME_CHECK(xv.includeI(home, l));
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SetVarLubRanges u(sxv);
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GECODE_ME_CHECK(xv.intersectI(home, u));
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return ES_OK;
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}
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}}
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namespace Gecode {
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void
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relax(Home home, const SetVarArgs& x, const SetVarArgs& sx,
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Rnd r, double p) {
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if (x.size() != sx.size())
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throw Set::ArgumentSizeMismatch("Set::relax");
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if ((p < 0.0) || (p > 1.0))
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throw Set::OutOfLimits("Set::relax");
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Set::Relax ir;
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Search::relax<SetVarArgs,Set::Relax>(home,x,sx,r,p,ir);
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}
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}
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// STATISTICS: set-other
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