60 lines
2.1 KiB
C++
60 lines
2.1 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, 2015
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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 <algorithm>
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namespace Gecode { namespace Int { namespace Distinct {
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forceinline
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EqIte::EqIte(Home home, IntView x0, IntView x1, int d0, int d1)
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: BinaryPropagator<IntView,PC_INT_DOM>(home,x0,x1), c0(d0), c1(d1) {}
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forceinline
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EqIte::EqIte(Space& home, EqIte& p)
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: BinaryPropagator<IntView,PC_INT_DOM>(home,p),
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c0(p.c0), c1(p.c1) {}
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inline ExecStatus
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EqIte::post(Home home, IntView x0, IntView x1, int c0, int c1) {
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assert(!(x0.assigned() && (x0.val() == c0)) && x0.in(c0));
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GECODE_ME_CHECK(x1.lq(home,std::max(x0.max(),c1)));
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GECODE_ME_CHECK(x1.gq(home,std::min(x0.min(),c1)));
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(void) new (home) EqIte(home,x0,x1,c0,c1);
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return ES_OK;
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}
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}}}
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// STATISTICS: int-prop
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