Jip J. Dekker
981be2067e
git-subtree-dir: software/gecode_on_replay git-subtree-split: 8051d92b9c89e49cccfbd1c201371580d7703ab4
72 lines
2.2 KiB
C++
72 lines
2.2 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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* Christopher Mears <Chris.Mears@monash.edu>
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*
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* Contributing authors:
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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christopher Mears, 2011
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* Christian Schulte, 2011
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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/int/precede.hh>
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namespace Gecode {
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void
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precede(Home home, const IntVarArgs& x, int s, int t, IntPropLevel) {
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using namespace Int;
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Limits::check(s,"Int::precede");
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Limits::check(t,"Int::precede");
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GECODE_POST;
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ViewArray<IntView> y(home, x);
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GECODE_ES_FAIL(Precede::Single<IntView>::post(home, y, s, t));
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}
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void
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precede(Home home, const IntVarArgs& x, const IntArgs& c, IntPropLevel) {
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using namespace Int;
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if (c.size() < 2)
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return;
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for (int i=c.size(); i--; )
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Limits::check(c[i],"Int::precede");
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GECODE_POST;
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for (int i=c.size()-1; i--; ) {
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ViewArray<IntView> y(home, x);
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GECODE_ES_FAIL(Precede::Single<IntView>::post(home, y, c[i], c[i+1]));
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}
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}
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}
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// STATISTICS: int-post
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