trace-view.hpp

00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Christian Schulte, 2016
00008  *
00009  *  Last modified:
00010  *     $Date: 2017-03-17 23:04:57 +0100 (Fri, 17 Mar 2017) $ by $Author: schulte $
00011  *     $Revision: 15597 $
00012  *
00013  *  This file is part of Gecode, the generic constraint
00014  *  development environment:
00015  *     http://www.gecode.org
00016  *
00017  *  Permission is hereby granted, free of charge, to any person obtaining
00018  *  a copy of this software and associated documentation files (the
00019  *  "Software"), to deal in the Software without restriction, including
00020  *  without limitation the rights to use, copy, modify, merge, publish,
00021  *  distribute, sublicense, and/or sell copies of the Software, and to
00022  *  permit persons to whom the Software is furnished to do so, subject to
00023  *  the following conditions:
00024  *
00025  *  The above copyright notice and this permission notice shall be
00026  *  included in all copies or substantial portions of the Software.
00027  *
00028  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00029  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00030  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00031  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00032  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00033  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00034  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00035  *
00036  */
00037 
00038 namespace Gecode { namespace Set {
00039 
00041   class SetTraceView {
00042   protected:
00044     RangeList* _glb;
00046     RangeList* _lub;
00047   public:
00049     SetTraceView(void);
00051     SetTraceView(Space& home, SetView x);
00053     RangeList* glb(void) const;
00055     RangeList* lub(void) const;
00057     void prune(Space& home, SetView y, const Delta& d);
00059     void update(Space& home, bool share, SetTraceView x);
00061     static unsigned long long int slack(SetView x);
00062   };
00063 
00064   forceinline
00065   SetTraceView::SetTraceView(void) {}
00066   forceinline
00067   SetTraceView::SetTraceView(Space& home, SetView x) {
00068     GlbRanges<SetView> glbi(x);
00069     RangeList::copy(home,_glb,glbi);
00070     LubRanges<SetView> lubi(x);
00071     RangeList::copy(home,_lub,lubi);
00072   }
00073   forceinline RangeList*
00074   SetTraceView::glb(void) const {
00075     return _glb;
00076   }
00077   forceinline RangeList*
00078   SetTraceView::lub(void) const {
00079     return _lub;
00080   }
00081   forceinline void
00082   SetTraceView::prune(Space& home, SetView x, const Delta&) {
00083     GlbRanges<SetView> glbi(x);
00084     RangeList::overwrite(home,_glb,glbi);
00085     LubRanges<SetView> lubi(x);
00086     RangeList::overwrite(home,_lub,lubi);
00087   }
00088   forceinline void
00089   SetTraceView::update(Space& home, bool, SetTraceView x) {
00090     Iter::Ranges::RangeList glbi(x._glb);
00091     RangeList::copy(home,_glb,glbi);
00092     Iter::Ranges::RangeList lubi(x._lub);
00093     RangeList::copy(home,_lub,lubi);
00094   }
00095 
00096   forceinline unsigned long long int
00097   SetTraceView::slack(SetView x) {
00098     return x.unknownSize();
00099   }
00100 
00101 }}
00102 
00103 // STATISTICS: set-trace