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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main authors: * Guido Tack <tack@gecode.org> * * Copyright: * Guido Tack, 2005 * * 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/set.hh"
using namespace Gecode;
namespace Test { namespace Set {
/// %Tests for distinctness constraints namespace Distinct {
/** * \defgroup TaskTestSetDistinct Distinctness constraints * \ingroup TaskTestSet */ //@{
static IntSet ds_33(-2,2); static IntSet ds_44(-4,4);
/// %Test for the atmostone propagator class AtmostOne : public SetTest { public: /// Create and register test AtmostOne(const char* t) : SetTest(t,3,ds_33,false) {} /// %Test whether \a x is solution virtual bool solution(const SetAssignment& x) const { { CountableSetRanges xr0(x.lub, x[0]); CountableSetRanges xr1(x.lub, x[1]); Iter::Ranges::Inter<CountableSetRanges,CountableSetRanges> i(xr0,xr1); if (Iter::Ranges::size(i)>1) return false; } { CountableSetRanges xr0(x.lub, x[0]); CountableSetRanges xr2(x.lub, x[2]); Iter::Ranges::Inter<CountableSetRanges,CountableSetRanges> i(xr0,xr2); if (Iter::Ranges::size(i)>1) return false; } { CountableSetRanges xr1(x.lub, x[1]); CountableSetRanges xr2(x.lub, x[2]); Iter::Ranges::Inter<CountableSetRanges,CountableSetRanges> i(xr1,xr2); if (Iter::Ranges::size(i)>1) return false; } { CountableSetRanges xr0(x.lub, x[0]); CountableSetRanges xr1(x.lub, x[1]); CountableSetRanges xr2(x.lub, x[2]); if (Iter::Ranges::size(xr0)!=3 || Iter::Ranges::size(xr1)!=3 || Iter::Ranges::size(xr2)!=3) return false; } return true; } /// Post constraint on \a x virtual void post(Space& home, SetVarArray& x, IntVarArray&) { SetVar s1(home, IntSet::empty, -2, 2, 0U, 1U); Gecode::rel(home, x[0], SOT_INTER, x[1], SRT_EQ, s1); SetVar s2(home, IntSet::empty, -2, 2, 0U, 1U); Gecode::rel(home, x[0], SOT_INTER, x[2], SRT_EQ, s2); SetVar s3(home, IntSet::empty, -2, 2, 0U, 1U); Gecode::rel(home, x[1], SOT_INTER, x[2], SRT_EQ, s3); Gecode::atmostOne(home, x, 3); } }; AtmostOne _atmostone("Distinct::AtmostOne");
//@}
}}}
// STATISTICS: test-set