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build.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, 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 namespace Gecode { namespace Search {
00035 
00036   forceinline
00037   Builder::Builder(const Options& opt0, bool b0)
00038     : opt(opt0.expand()), b(b0) {}
00039   forceinline Options&
00040   Builder::options(void) {
00041     return opt;
00042   }
00043   forceinline const Options&
00044   Builder::options(void) const {
00045     return opt;
00046   }
00047   forceinline bool
00048   Builder::best(void) const {
00049     return b;
00050   }
00051   forceinline
00052   Builder::~Builder(void) {
00053   }
00054 
00055 
00056   template<class T, class E>
00057   forceinline Engine*
00058   build(Space* s, const Options& opt) {
00059     E engine(dynamic_cast<T*>(s),opt);
00060     Base<T>* eb = &engine;
00061     Engine* e = eb->e;
00062     eb->e = NULL;
00063     return e;
00064   }
00065 
00066   template<class T, template<class> class E>
00067   forceinline Engine*
00068   build(Space* s, const Options& opt) {
00069     E<T> engine(dynamic_cast<T*>(s),opt);
00070     Base<T>* eb = &engine;
00071     Engine* e = eb->e;
00072     eb->e = NULL;
00073     return e;
00074   }
00075 
00076 }}
00077 
00078 // STATISTICS: search-other