127 lines
3.6 KiB
C++
Executable File
127 lines
3.6 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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* Vincent Barichard <Vincent.Barichard@univ-angers.fr>
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*
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* Copyright:
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* Christian Schulte, 2004
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* Vincent Barichard, 2012
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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 Float { namespace Rel {
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/*
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* Disequality
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*
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*/
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template<class View0, class View1>
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forceinline
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Nq<View0,View1>::Nq(Home home, View0 x0, View1 x1)
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: MixBinaryPropagator<View0,PC_FLOAT_VAL,View1,PC_FLOAT_VAL>(home,x0,x1) {}
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template<class View0, class View1>
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ExecStatus
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Nq<View0,View1>::post(Home home, View0 x0, View1 x1){
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if (x0.assigned() && x1.assigned()) {
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if (overlap(x0.val(),x1.val()))
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return ES_FAILED;
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} else if (x0 == x1) {
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return ES_FAILED;
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} else {
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(void) new (home) Nq<View0,View1>(home,x0,x1);
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}
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return ES_OK;
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}
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template<class View0, class View1>
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forceinline
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Nq<View0,View1>::Nq(Space& home, Nq<View0,View1>& p)
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: MixBinaryPropagator<View0,PC_FLOAT_VAL,View1,PC_FLOAT_VAL>(home,p) {}
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template<class View0, class View1>
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Actor*
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Nq<View0,View1>::copy(Space& home) {
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return new (home) Nq<View0,View1>(home,*this);
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}
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template<class View0, class View1>
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ExecStatus
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Nq<View0,View1>::propagate(Space& home, const ModEventDelta&) {
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if (x0.assigned() && x1.assigned()) {
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return overlap(x0.val(),x1.val()) ? ES_FAILED : home.ES_SUBSUMED(*this);
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}
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return ES_FIX;
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}
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/*
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* Disequality with float value
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*
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*/
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template<class View>
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forceinline
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NqFloat<View>::NqFloat(Home home, View x, FloatVal _c)
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: UnaryPropagator<View,PC_FLOAT_VAL>(home,x), c(_c) {}
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template<class View>
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ExecStatus
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NqFloat<View>::post(Home home, View x, FloatVal c){
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if (x.assigned()) {
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if (overlap(x.val(),c))
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return ES_FAILED;
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} else {
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(void) new (home) NqFloat<View>(home,x,c);
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}
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return ES_OK;
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}
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template<class View>
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forceinline
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NqFloat<View>::NqFloat(Space& home, NqFloat<View>& p)
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: UnaryPropagator<View,PC_FLOAT_VAL>(home,p), c(p.c) {}
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template<class View>
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Actor*
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NqFloat<View>::copy(Space& home) {
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return new (home) NqFloat<View>(home,*this);
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}
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template<class View>
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ExecStatus
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NqFloat<View>::propagate(Space& home, const ModEventDelta&) {
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if (x0.assigned()) {
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return (overlap(x0.val(),c)) ? ES_FAILED : home.ES_SUBSUMED(*this);
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}
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return ES_FIX;
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}
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}}}
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// STATISTICS: float-prop
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