154 lines
4.4 KiB
C++
154 lines
4.4 KiB
C++
/* -*- 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, 2013
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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 Branch {
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template<class View>
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forceinline
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EqNGL<View>::EqNGL(Space& home, View x, int n)
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: ViewValNGL<View,int,PC_INT_VAL>(home,x,n) {}
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template<class View>
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forceinline
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EqNGL<View>::EqNGL(Space& home, EqNGL& ngl)
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: ViewValNGL<View,int,PC_INT_VAL>(home,ngl) {}
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template<class View>
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NGL*
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EqNGL<View>::copy(Space& home) {
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return new (home) EqNGL<View>(home,*this);
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}
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template<class View>
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NGL::Status
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EqNGL<View>::status(const Space&) const {
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if (x.assigned())
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return (x.val() == n) ? NGL::SUBSUMED : NGL::FAILED;
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else
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return x.in(n) ? NGL::NONE : NGL::FAILED;
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}
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template<class View>
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ExecStatus
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EqNGL<View>::prune(Space& home) {
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return me_failed(x.nq(home,n)) ? ES_FAILED : ES_OK;
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}
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template<class View>
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forceinline
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NqNGL<View>::NqNGL(Space& home, View x, int n)
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: ViewValNGL<View,int,PC_INT_DOM>(home,x,n) {}
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template<class View>
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forceinline
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NqNGL<View>::NqNGL(Space& home, NqNGL& ngl)
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: ViewValNGL<View,int,PC_INT_DOM>(home,ngl) {}
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template<class View>
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NGL*
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NqNGL<View>::copy(Space& home) {
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return new (home) NqNGL<View>(home,*this);
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}
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template<class View>
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NGL::Status
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NqNGL<View>::status(const Space&) const {
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if (x.assigned())
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return (x.val() == n) ? NGL::FAILED : NGL::SUBSUMED;
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else
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return x.in(n) ? NGL::NONE : NGL::SUBSUMED;
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}
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template<class View>
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ExecStatus
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NqNGL<View>::prune(Space& home) {
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return me_failed(x.eq(home,n)) ? ES_FAILED : ES_OK;
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}
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template<class View>
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forceinline
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LqNGL<View>::LqNGL(Space& home, View x, int n)
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: ViewValNGL<View,int,PC_INT_BND>(home,x,n) {}
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template<class View>
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forceinline
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LqNGL<View>::LqNGL(Space& home, LqNGL& ngl)
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: ViewValNGL<View,int,PC_INT_BND>(home,ngl) {}
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template<class View>
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NGL*
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LqNGL<View>::copy(Space& home) {
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return new (home) LqNGL<View>(home,*this);
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}
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template<class View>
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NGL::Status
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LqNGL<View>::status(const Space&) const {
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if (x.max() <= n)
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return NGL::SUBSUMED;
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else if (x.min() > n)
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return NGL::FAILED;
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else
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return NGL::NONE;
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}
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template<class View>
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ExecStatus
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LqNGL<View>::prune(Space& home) {
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return me_failed(x.gr(home,n)) ? ES_FAILED : ES_OK;
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}
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template<class View>
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forceinline
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GqNGL<View>::GqNGL(Space& home, View x, int n)
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: ViewValNGL<View,int,PC_INT_BND>(home,x,n) {}
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template<class View>
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forceinline
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GqNGL<View>::GqNGL(Space& home, GqNGL& ngl)
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: ViewValNGL<View,int,PC_INT_BND>(home,ngl) {}
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template<class View>
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NGL*
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GqNGL<View>::copy(Space& home) {
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return new (home) GqNGL<View>(home,*this);
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}
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template<class View>
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NGL::Status
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GqNGL<View>::status(const Space&) const {
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if (x.min() >= n)
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return NGL::SUBSUMED;
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else if (x.max() < n)
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return NGL::FAILED;
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else
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return NGL::NONE;
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}
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template<class View>
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ExecStatus
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GqNGL<View>::prune(Space& home) {
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return me_failed(x.le(home,n)) ? ES_FAILED : ES_OK;
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}
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}}}
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// STATISTICS: int-branch
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