Jip J. Dekker
1d9faf38de
git-subtree-dir: software/gecode git-subtree-split: 313e87646da4fc2752a70e83df16d993121a8e40
100 lines
3.2 KiB
C++
100 lines
3.2 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, 2016
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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 Set {
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/// Duplicate of a set view
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class SetTraceView {
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protected:
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/// Copy of the greatest lower bound
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RangeList* _glb;
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/// Copy of the least upper bound
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RangeList* _lub;
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public:
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/// Default constructor (initializes with no view)
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SetTraceView(void);
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/// Duplicate view \a x
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SetTraceView(Space& home, SetView x);
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/// Return range list for greatest lower bound
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RangeList* glb(void) const;
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/// Return range list for leat upper bound
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RangeList* lub(void) const;
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/// Update duplicated view from view \a y and delta \a d
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void prune(Space& home, SetView y, const Delta& d);
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/// Update during cloning
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void update(Space& home, SetTraceView x);
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/// Return slack for \a x
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static unsigned long long int slack(SetView x);
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};
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forceinline
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SetTraceView::SetTraceView(void) {}
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forceinline
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SetTraceView::SetTraceView(Space& home, SetView x) {
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GlbRanges<SetView> glbi(x);
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RangeList::copy(home,_glb,glbi);
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LubRanges<SetView> lubi(x);
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RangeList::copy(home,_lub,lubi);
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}
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forceinline RangeList*
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SetTraceView::glb(void) const {
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return _glb;
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}
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forceinline RangeList*
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SetTraceView::lub(void) const {
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return _lub;
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}
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forceinline void
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SetTraceView::prune(Space& home, SetView x, const Delta&) {
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GlbRanges<SetView> glbi(x);
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RangeList::overwrite(home,_glb,glbi);
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LubRanges<SetView> lubi(x);
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RangeList::overwrite(home,_lub,lubi);
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}
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forceinline void
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SetTraceView::update(Space& home, SetTraceView x) {
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Iter::Ranges::RangeList glbi(x._glb);
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RangeList::copy(home,_glb,glbi);
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Iter::Ranges::RangeList lubi(x._lub);
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RangeList::copy(home,_lub,lubi);
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}
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forceinline unsigned long long int
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SetTraceView::slack(SetView x) {
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return x.unknownSize();
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}
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}}
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// STATISTICS: set-trace
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