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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  *  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/seq/pbs.hh>
00035 
00036 namespace Gecode { namespace Search { namespace Seq {
00037 
00038   Stop*
00039   pbsstop(Stop* so) {
00040     return new PortfolioStop(so);
00041   }
00042 
00043   Engine*
00044   pbsengine(Engine** slaves, Stop** stops, unsigned int n_slaves,
00045             const Statistics& stat, const Search::Options& opt, bool best) {
00046     if (best)
00047       return new PBS<true>(slaves,stops,n_slaves,stat,opt);
00048     else
00049       return new PBS<false>(slaves,stops,n_slaves,stat,opt);
00050   }
00051 
00052 }}}
00053 
00054 #ifdef GECODE_HAS_THREADS
00055 
00056 #include <gecode/search/par/pbs.hh>
00057 
00058 namespace Gecode { namespace Search { namespace Par {
00059 
00060   Stop*
00061   pbsstop(Stop* so) {
00062     return new PortfolioStop(so);
00063   }
00064 
00065   Engine*
00066   pbsengine(Engine** slaves, Stop** stops, unsigned int n_slaves,
00067          const Statistics& stat, bool best) {
00068     if (best)
00069       return new PBS<CollectBest>(slaves,stops,n_slaves,stat);
00070     else
00071       return new PBS<CollectAll>(slaves,stops,n_slaves,stat);
00072   }
00073 
00074 }}}
00075 
00076 #endif
00077 
00078 // STATISTICS: search-other