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stop.cpp

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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, 2006
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 #include <gecode/search.hh>
00035 
00036 namespace Gecode { namespace Search {
00037 
00038    /*
00039     * Creation functions for stop objects
00040     *
00041     */
00042   Stop*
00043   Stop::node(unsigned long int l) {
00044     return new NodeStop(l);
00045   }
00046   Stop*
00047   Stop::fail(unsigned long int l) {
00048     return new FailStop(l);
00049   }
00050   Stop*
00051   Stop::time(unsigned long int l) {
00052     return new TimeStop(l);
00053   }
00054 
00055 
00056   /*
00057    * Stopping for node limit
00058    *
00059    */
00060   bool
00061   NodeStop::stop(const Statistics& s, const Options&) {
00062     return s.node > l;
00063   }
00064 
00065 
00066   /*
00067    * Stopping for failure limit
00068    *
00069    */
00070   bool
00071   FailStop::stop(const Statistics& s, const Options&) {
00072     return s.fail > l;
00073   }
00074 
00075 
00076   /*
00077    * Stopping for time limit
00078    *
00079    */
00080   bool
00081   TimeStop::stop(const Statistics&, const Options&) {
00082     return t.stop() > l;
00083   }
00084 
00085 
00086 }}
00087 
00088 // STATISTICS: search-other