Jip J. Dekker
981be2067e
git-subtree-dir: software/gecode_on_replay git-subtree-split: 8051d92b9c89e49cccfbd1c201371580d7703ab4
101 lines
3.0 KiB
C++
Executable File
101 lines
3.0 KiB
C++
Executable File
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2011
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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namespace Gecode { namespace Int { namespace NValues {
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template<class VY>
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forceinline
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BoolBase<VY>::BoolBase(Home home,
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int status0, ViewArray<BoolView>& x, VY y0)
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: Propagator(home), status(status0), c(home), y(y0) {
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y.subscribe(home,*this,PC_INT_BND);
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for (int i=0; i<x.size(); i++) {
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assert(!x[i].assigned());
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(void) new (home) ViewAdvisor<BoolView>(home, *this, c, x[i]);
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}
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}
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template<class VY>
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forceinline
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BoolBase<VY>::BoolBase(Space& home, BoolBase<VY>& p)
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: Propagator(home,p), status(p.status) {
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c.update(home,p.c);
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y.update(home,p.y);
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}
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template<class VY>
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PropCost
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BoolBase<VY>::cost(const Space&, const ModEventDelta&) const {
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return PropCost::unary(PropCost::LO);
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}
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template<class VY>
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void
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BoolBase<VY>::reschedule(Space& home) {
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y.reschedule(home,*this,PC_INT_BND);
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}
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template<class VY>
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ExecStatus
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BoolBase<VY>::advise(Space& home, Advisor& _a, const Delta&) {
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ViewAdvisor<BoolView>& a(static_cast<ViewAdvisor<BoolView>&>(_a));
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ExecStatus es;
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if (status == (VS_ZERO | VS_ONE)) {
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// Everything is already decided
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es = ES_FIX;
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} else {
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if (a.view().zero())
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status |= VS_ZERO;
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else
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status |= VS_ONE;
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es = ES_NOFIX;
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}
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a.dispose(home,c);
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if (c.empty())
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es = ES_NOFIX;
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return es;
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}
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template<class VY>
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forceinline size_t
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BoolBase<VY>::dispose(Space& home) {
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c.dispose(home);
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y.cancel(home,*this,PC_INT_BND);
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(void) Propagator::dispose(home);
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return sizeof(*this);
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}
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}}}
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// STATISTICS: int-prop
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