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trace-view.hpp

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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  *  This file is part of Gecode, the generic constraint
00010  *  development environment:
00011  *     http://www.gecode.org
00012  *
00013  *  Permission is hereby granted, free of charge, to any person obtaining
00014  *  a copy of this software and associated documentation files (the
00015  *  "Software"), to deal in the Software without restriction, including
00016  *  without limitation the rights to use, copy, modify, merge, publish,
00017  *  distribute, sublicense, and/or sell copies of the Software, and to
00018  *  permit persons to whom the Software is furnished to do so, subject to
00019  *  the following conditions:
00020  *
00021  *  The above copyright notice and this permission notice shall be
00022  *  included in all copies or substantial portions of the Software.
00023  *
00024  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00025  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00026  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00027  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00028  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00029  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00030  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00031  *
00032  */
00033 
00034 namespace Gecode { namespace Float {
00035 
00037   class FloatTraceView {
00038   public:
00040     FloatTraceView(void);
00042     FloatTraceView(Space& home, FloatView y);
00044     void prune(Space& home, FloatView y, const Delta& d);
00046     void update(Space& home, FloatTraceView x);
00048     static FloatNum slack(FloatView x);
00049   };
00050 
00051   forceinline
00052   FloatTraceView::FloatTraceView(void) {}
00053   forceinline
00054   FloatTraceView::FloatTraceView(Space&, FloatView) {}
00055   forceinline void
00056   FloatTraceView::prune(Space&, FloatView, const Delta&) {}
00057   forceinline void
00058   FloatTraceView::update(Space&, FloatTraceView) {}
00059   forceinline FloatNum
00060   FloatTraceView::slack(FloatView x) {
00061     return x.size();
00062   }
00063 
00064 }}
00065 
00066 // STATISTICS: float-trace