Jip J. Dekker
981be2067e
git-subtree-dir: software/gecode_on_replay git-subtree-split: 8051d92b9c89e49cccfbd1c201371580d7703ab4
133 lines
4.3 KiB
C++
133 lines
4.3 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, 2008
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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 "test/int.hh"
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#include <gecode/minimodel.hh>
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namespace Test { namespace Int {
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/// %Tests for minimal modelling constraints (simple relations)
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namespace MiniModel {
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/**
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* \defgroup TaskTestIntMiniModelRel Minimal modelling constraints (relation)
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* \ingroup TaskTestInt
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*/
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//@{
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/// %Test for relation between arrays of integer variables
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class IntLex : public Test {
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protected:
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/// Integer relation type to propagate
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Gecode::IntRelType irt;
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public:
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/// Create and register test
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IntLex(Gecode::IntRelType irt0)
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: Test("MiniModel::Lex::Int::"+str(irt0),6,-2,2), irt(irt0) {}
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/// %Test whether \a x is solution
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virtual bool solution(const Assignment& x) const {
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int n=x.size() >> 1;
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for (int i=0; i<n; i++)
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if (x[i] != x[n+i])
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return cmp(x[i],irt,x[n+i]);
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return ((irt == Gecode::IRT_LQ) || (irt == Gecode::IRT_GQ) ||
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(irt == Gecode::IRT_EQ));
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GECODE_NEVER;
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return false;
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}
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/// Post constraint on \a x
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virtual void post(Gecode::Space& home, Gecode::IntVarArray& x) {
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using namespace Gecode;
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int n=x.size() >> 1;
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IntVarArgs y(n); IntVarArgs z(n);
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for (int i=0; i<n; i++) {
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y[i]=x[i]; z[i]=x[n+i];
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}
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lex(home, y, irt, z);
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}
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};
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/// %Test for relation between arrays of Boolean variables
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class BoolLex : public Test {
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protected:
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/// Integer relation type to propagate
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Gecode::IntRelType irt;
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public:
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/// Create and register test
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BoolLex(Gecode::IntRelType irt0)
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: Test("MiniModel::Lex::Bool::"+str(irt0),10,0,1), irt(irt0) {}
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/// %Test whether \a x is solution
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virtual bool solution(const Assignment& x) const {
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int n=x.size() >> 1;
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for (int i=0; i<n; i++)
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if (x[i] != x[n+i])
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return cmp(x[i],irt,x[n+i]);
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return ((irt == Gecode::IRT_LQ) || (irt == Gecode::IRT_GQ) ||
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(irt == Gecode::IRT_EQ));
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GECODE_NEVER;
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return false;
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}
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/// Post constraint on \a x
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virtual void post(Gecode::Space& home, Gecode::IntVarArray& x) {
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using namespace Gecode;
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int n=x.size() >> 1;
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BoolVarArgs y(n); BoolVarArgs z(n);
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for (int i=0; i<n; i++) {
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y[i]=channel(home,x[i]); z[i]=channel(home,x[n+i]);
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}
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lex(home, y, irt, z);
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}
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};
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/// Help class to create and register tests
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class Create {
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public:
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/// Perform creation and registration
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Create(void) {
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using namespace Gecode;
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for (IntRelTypes irts; irts(); ++irts) {
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(void) new IntLex(irts.irt());
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(void) new BoolLex(irts.irt());
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}
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}
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};
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Create c;
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//@}
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}
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}}
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// STATISTICS: test-minimodel
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