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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2008
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "test/int.hh"
#include <gecode/minimodel.hh>
namespace Test { namespace Int {
/// %Tests for minimal modelling constraints (simple relations)
namespace MiniModel {
/**
* \defgroup TaskTestIntMiniModelRel Minimal modelling constraints (relation)
* \ingroup TaskTestInt
*/
//@{
/// %Test for relation between arrays of integer variables
class IntLex : public Test {
protected:
/// Integer relation type to propagate
Gecode::IntRelType irt;
public:
/// Create and register test
IntLex(Gecode::IntRelType irt0)
: Test("MiniModel::Lex::Int::"+str(irt0),6,-2,2), irt(irt0) {}
/// %Test whether \a x is solution
virtual bool solution(const Assignment& x) const {
int n=x.size() >> 1;
for (int i=0; i<n; i++)
if (x[i] != x[n+i])
return cmp(x[i],irt,x[n+i]);
return ((irt == Gecode::IRT_LQ) || (irt == Gecode::IRT_GQ) ||
(irt == Gecode::IRT_EQ));
GECODE_NEVER;
return false;
}
/// Post constraint on \a x
virtual void post(Gecode::Space& home, Gecode::IntVarArray& x) {
using namespace Gecode;
int n=x.size() >> 1;
IntVarArgs y(n); IntVarArgs z(n);
for (int i=0; i<n; i++) {
y[i]=x[i]; z[i]=x[n+i];
}
lex(home, y, irt, z);
}
};
/// %Test for relation between arrays of Boolean variables
class BoolLex : public Test {
protected:
/// Integer relation type to propagate
Gecode::IntRelType irt;
public:
/// Create and register test
BoolLex(Gecode::IntRelType irt0)
: Test("MiniModel::Lex::Bool::"+str(irt0),10,0,1), irt(irt0) {}
/// %Test whether \a x is solution
virtual bool solution(const Assignment& x) const {
int n=x.size() >> 1;
for (int i=0; i<n; i++)
if (x[i] != x[n+i])
return cmp(x[i],irt,x[n+i]);
return ((irt == Gecode::IRT_LQ) || (irt == Gecode::IRT_GQ) ||
(irt == Gecode::IRT_EQ));
GECODE_NEVER;
return false;
}
/// Post constraint on \a x
virtual void post(Gecode::Space& home, Gecode::IntVarArray& x) {
using namespace Gecode;
int n=x.size() >> 1;
BoolVarArgs y(n); BoolVarArgs z(n);
for (int i=0; i<n; i++) {
y[i]=channel(home,x[i]); z[i]=channel(home,x[n+i]);
}
lex(home, y, irt, z);
}
};
/// Help class to create and register tests
class Create {
public:
/// Perform creation and registration
Create(void) {
using namespace Gecode;
for (IntRelTypes irts; irts(); ++irts) {
(void) new IntLex(irts.irt());
(void) new BoolLex(irts.irt());
}
}
};
Create c;
//@}
}
}}
// STATISTICS: test-minimodel
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