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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136/* -*- 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 convexity constraints namespace Convex {
/** * \defgroup TaskTestSetConvex Convexity constraints * \ingroup TaskTestSet */ //@{
static IntSet ds_33(-4,4);
/// %Test for convexity propagator class Convex : public SetTest { public: /// Create and register test Convex(const char* t) : SetTest(t,1,ds_33,false) {} /// %Test whether \a x is solution virtual bool solution(const SetAssignment& x) const { CountableSetRanges xr0(x.lub, x[0]); if (!xr0()) return true; ++xr0; if (!xr0()) return true; return false; } /// Post constraint on \a x virtual void post(Space& home, SetVarArray& x, IntVarArray&) { Gecode::convex(home, x[0]); } }; Convex _convex("Convex::Convex");
/// %Test for convex hull propagator class ConvexHull : public SetTest { public: /// Create and register test ConvexHull(const char* t) : SetTest(t,2,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]);
if (!xr0()) return !xr1();
int x0min = xr0.min(); int x0max = xr0.max(); ++xr0; if (!xr0()) { if (!xr1()) return false; if (x0min != xr1.min()) return false; int x1max = Gecode::Set::Limits::min; while (xr1()) { x1max = xr1.max(); ++xr1;} if (x0max != x1max) return false; return true; } return false; } /// Post constraint on \a x virtual void post(Space& home, SetVarArray& x, IntVarArray&) { Gecode::convex(home, x[1], x[0]); } }; ConvexHull _convexhull("Convex::ConvexHull");
/// Sharing test for convex hull propagator class ConvexHullS : public SetTest { public: /// Create and register test ConvexHullS(const char* t) : SetTest(t,1,ds_33,false) {} /// %Test whether \a x is solution virtual bool solution(const SetAssignment& x) const { CountableSetRanges xr0(x.lub, x[0]); if (!xr0()) return true; ++xr0; if (!xr0()) return true; return false; } /// Post constraint on \a x virtual void post(Space& home, SetVarArray& x, IntVarArray&) { Gecode::convex(home, x[0], x[0]); } }; ConvexHullS _convexhulls("Convex::Sharing::ConvexHullS");
//@}
}}}
// STATISTICS: test-set