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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
* Vincent Barichard <Vincent.Barichard@univ-angers.fr>
*
* Copyright:
* Christian Schulte, 2006
* Vincent Barichard, 2012
*
* 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/float.hh"
#include <gecode/minimodel.hh>
namespace Test { namespace Float {
/// %Tests for channel constraints
namespace Channel {
/// %Test channel between float and integer
class Int : public Test {
public:
/// Construct and register test
Int(Gecode::FloatNum st)
: Test("Channel::Int",2,-1,2,st,CPLT_ASSIGNMENT,false) {}
/// Check whether \a x is solution
virtual MaybeType solution(const Assignment& x) const {
Gecode::FloatNum tmp;
return (((modf(x[0].min(),&tmp)==0) ||
(modf(x[0].max(),&tmp)==0))
&& (x[0]==x[1])) ? MT_TRUE : MT_FALSE;
}
/// Post constraint on \a x
virtual void post(Gecode::Space& home, Gecode::FloatVarArray& x) {
using namespace Gecode;
IntVar iv(home,-1000,1000);
channel(home, x[0], iv);
channel(home, iv, x[1]);
}
};
/// %Test channel between float and Boolean
class Bool : public Test {
public:
/// Construct and register test
Bool(Gecode::FloatNum st)
: Test("Channel::Bool",2,0,1,st,CPLT_ASSIGNMENT,false) {}
/// Check whether \a x is solution
virtual MaybeType solution(const Assignment& x) const {
Gecode::FloatNum tmp;
return (((modf(x[0].min(),&tmp)==0) ||
(modf(x[0].max(),&tmp)==0))
&& (x[0]==x[1])) ? MT_TRUE : MT_FALSE;
}
/// Post constraint on \a x
virtual void post(Gecode::Space& home, Gecode::FloatVarArray& x) {
using namespace Gecode;
BoolVar bv(home,0,1);
channel(home, x[0], bv);
channel(home, bv, x[1]);
}
};
Gecode::FloatNum step1 = 0.7;
Gecode::FloatNum step2 = 0.1;
Int ci(step1);
Bool cb(step2);
//@}
}
}}
// STATISTICS: test-float
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