Something went wrong. Try again.
This repository has no description
Something went wrong. Try again.
3.7 kB · 109 lines
C++
at develop
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main authors: * Christian Schulte <schulte@gecode.org> * * Copyright: * Christian Schulte, 2003 * * 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. * */
namespace Gecode { namespace Int { namespace Distinct {
/* * Ternary domain consistent distinct * */
template<class View> forceinline TerDom<View>::TerDom(Home home, View x0, View x1, View x2) : TernaryPropagator<View,PC_INT_DOM>(home,x0,x1,x2) {}
template<class View> ExecStatus TerDom<View>::post(Home home, View x0, View x1, View x2) { (void) new (home) TerDom<View>(home,x0,x1,x2); return ES_OK; }
template<class View> forceinline TerDom<View>::TerDom(Space& home, TerDom<View>& p) : TernaryPropagator<View,PC_INT_DOM>(home,p) {}
template<class View> Actor* TerDom<View>::copy(Space& home) { return new (home) TerDom<View>(home,*this); }
/// Check whether x0 forms a Hall set of cardinality one#define GECODE_INT_HALL_ONE(x0,x1,x2) \ if (x0.assigned()) { \ GECODE_ME_CHECK(x1.nq(home,x0.val())); \ GECODE_ME_CHECK(x2.nq(home,x0.val())); \ if (x1.assigned()) { \ GECODE_ME_CHECK(x2.nq(home,x1.val())); \ return home.ES_SUBSUMED(*this); \ } \ if (x2.assigned()) { \ GECODE_ME_CHECK(x1.nq(home,x2.val())); \ return home.ES_SUBSUMED(*this); \ } \ return ES_FIX; \ }
/// Check whether x0 and x1 form a Hall set of cardinality two#define GECODE_INT_HALL_TWO(x0,x1,x2) \ if ((x0.size() == 2) && (x1.size() == 2) && \ (x0.min() == x1.min()) && (x0.max() == x1.max())) { \ GECODE_ME_CHECK(x2.nq(home,x0.min())); \ GECODE_ME_CHECK(x2.nq(home,x0.max())); \ return ES_FIX; \ }
template<class View> ExecStatus TerDom<View>::propagate(Space& home, const ModEventDelta&) { GECODE_INT_HALL_ONE(x0,x1,x2); GECODE_INT_HALL_ONE(x1,x0,x2); GECODE_INT_HALL_ONE(x2,x0,x1); GECODE_INT_HALL_TWO(x0,x1,x2); GECODE_INT_HALL_TWO(x0,x2,x1); GECODE_INT_HALL_TWO(x1,x2,x0); return ES_FIX; }
#undef GECODE_INT_HALL_ONE#undef GECODE_INT_HALL_TWO
}}}
// STATISTICS: int-prop