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4.0 kB · 129 lines
C++
at develop
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main authors: * Christian Schulte <schulte@gecode.org> * * Copyright: * Christian Schulte, 2004 * * 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 Dom {
template<class View, ReifyMode rm> forceinline ReIntSet<View,rm>::ReIntSet (Home home, View x, const IntSet& s, BoolView b) : ReUnaryPropagator<View,PC_INT_DOM,BoolView>(home,x,b), is(s) { home.notice(*this,AP_DISPOSE); }
template<class View, ReifyMode rm> forceinline size_t ReIntSet<View,rm>::dispose(Space& home) { home.ignore(*this,AP_DISPOSE); is.~IntSet(); (void) ReUnaryPropagator<View,PC_INT_DOM,BoolView>::dispose(home); return sizeof(*this); }
template<class View, ReifyMode rm> ExecStatus ReIntSet<View,rm>::post(Home home, View x, const IntSet& s, BoolView b) { if (s.ranges() == 0) { if (rm == RM_PMI) return ES_OK; GECODE_ME_CHECK(b.zero(home)); } else if (s.ranges() == 1) { return ReRange<View,rm>::post(home,x,s.min(),s.max(),b); } else if (b.one()) { if (rm == RM_PMI) return ES_OK; IntSetRanges i_is(s); GECODE_ME_CHECK(x.inter_r(home,i_is,false)); } else if (b.zero()) { if (rm == RM_IMP) return ES_OK; IntSetRanges i_is(s); GECODE_ME_CHECK(x.minus_r(home,i_is,false)); } else { (void) new (home) ReIntSet<View,rm>(home,x,s,b); } return ES_OK; }
template<class View, ReifyMode rm> forceinline ReIntSet<View,rm>::ReIntSet(Space& home, ReIntSet& p) : ReUnaryPropagator<View,PC_INT_DOM,BoolView>(home,p), is(p.is) { }
template<class View, ReifyMode rm> Actor* ReIntSet<View,rm>::copy(Space& home) { return new (home) ReIntSet(home,*this); }
template<class View, ReifyMode rm> ExecStatus ReIntSet<View,rm>::propagate(Space& home, const ModEventDelta&) { IntSetRanges i_is(is); if (b.one()) { if (rm != RM_PMI) GECODE_ME_CHECK(x0.inter_r(home,i_is,false)); return home.ES_SUBSUMED(*this); } if (b.zero()) { if (rm != RM_IMP) GECODE_ME_CHECK(x0.minus_r(home,i_is,false)); return home.ES_SUBSUMED(*this); }
{ ViewRanges<View> i_x(x0);
switch (Iter::Ranges::compare(i_x,i_is)) { case Iter::Ranges::CS_SUBSET: if (rm != RM_IMP) GECODE_ME_CHECK(b.one_none(home)); return home.ES_SUBSUMED(*this); case Iter::Ranges::CS_DISJOINT: if (rm != RM_PMI) GECODE_ME_CHECK(b.zero_none(home)); return home.ES_SUBSUMED(*this); case Iter::Ranges::CS_NONE: break; default: GECODE_NEVER; } } return ES_FIX; }
}}}
// STATISTICS: int-prop