channel.cpp

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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
 *
 *  Last modified:
 *     $Date: 2013-01-23 22:50:34 +0100 (Wed, 23 Jan 2013) $ by $Author: schulte $
 *     $Revision: 13232 $
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
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 *  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
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#include "test/float.hh"

#include <gecode/minimodel.hh>

namespace Test { namespace Float {

   namespace Channel {

     class ChannelLinkSingle : public Test {
     public:
       ChannelLinkSingle(Gecode::FloatNum st)
         : Test("Channel",2,-1,2,st,CPLT_ASSIGNMENT,false) {}
       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;
       }
       virtual void post(Gecode::Space& home, Gecode::FloatVarArray& x) {
         using namespace Gecode;
         Gecode::IntVar iv(home,-1000,1000);
         channel(home, x[0], iv);
         channel(home, x[1], iv);
       }
     };

     Gecode::FloatNum step = 0.7;

     ChannelLinkSingle cls(step);

   }
}}

// STATISTICS: test-float