Jip J. Dekker
2572df0663
git-subtree-dir: software/gecode_base git-subtree-split: bbefcea214fec798a0f5acc442581984555acd21
84 lines
2.5 KiB
C++
Executable File
84 lines
2.5 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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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2005
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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 {
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/*
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* Operations for linear expressions
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*
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*/
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forceinline
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LinIntRel::LinIntRel(void) {}
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forceinline
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LinIntRel::LinIntRel(const LinIntExpr& l, IntRelType irt0, const LinIntExpr& r)
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: e(l-r), irt(irt0) {}
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forceinline
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LinIntRel::LinIntRel(const LinIntExpr& l, IntRelType irt0, int r)
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: e(l-r), irt(irt0) {}
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forceinline
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LinIntRel::LinIntRel(int l, IntRelType irt0, const LinIntExpr& r)
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: e(l-r), irt(irt0) {}
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forceinline IntRelType
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LinIntRel::neg(IntRelType irt) {
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switch (irt) {
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case IRT_EQ: return IRT_NQ;
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case IRT_NQ: return IRT_EQ;
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case IRT_LQ: return IRT_GR;
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case IRT_LE: return IRT_GQ;
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case IRT_GQ: return IRT_LE;
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case IRT_GR: return IRT_LQ;
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default: GECODE_NEVER;
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}
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return IRT_LQ;
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}
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forceinline void
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LinIntRel::post(Home home, bool t,
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const IntPropLevels& ipls) const {
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e.post(home,t ? irt : neg(irt),ipls);
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}
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forceinline void
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LinIntRel::post(Home home, const BoolVar& b, bool t,
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const IntPropLevels& ipls) const {
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e.post(home,t ? irt : neg(irt),b,ipls);
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}
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}
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// STATISTICS: minimodel-any
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