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pbs.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, 2015
00008  *
00009  *  Last modified:
00010  *     $Date: 2016-04-19 17:19:45 +0200 (Tue, 19 Apr 2016) $ by $Author: schulte $
00011  *     $Revision: 14967 $
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 #include <gecode/search/meta/sequential/pbs.hh>
00039 
00040 namespace Gecode { namespace Search { namespace Meta { namespace Sequential {
00041 
00042   Stop*
00043   stop(Stop* so) {
00044     return new PortfolioStop(so);
00045   }
00046 
00047   Engine*
00048   engine(Engine** slaves, Stop** stops, unsigned int n_slaves,
00049          const Statistics& stat, const Search::Options& opt, bool best) {
00050     if (best)
00051       return new PBS<true>(slaves,stops,n_slaves,stat,opt);
00052     else
00053       return new PBS<false>(slaves,stops,n_slaves,stat,opt);
00054   }
00055 
00056 }}}}
00057 
00058 #ifdef GECODE_HAS_THREADS
00059 
00060 #include <gecode/search/meta/parallel/pbs.hh>
00061 
00062 namespace Gecode { namespace Search { namespace Meta { namespace Parallel {
00063 
00064   Stop*
00065   stop(Stop* so) {
00066     return new PortfolioStop(so);
00067   }
00068 
00069   Engine*
00070   engine(Engine** slaves, Stop** stops, unsigned int n_slaves,
00071          const Statistics& stat, bool best) {
00072     if (best)
00073       return new PBS<CollectBest>(slaves,stops,n_slaves,stat);
00074     else
00075       return new PBS<CollectAll>(slaves,stops,n_slaves,stat);
00076   }
00077 
00078 }}}}
00079 
00080 #endif
00081 
00082 // STATISTICS: search-meta