Jip J. Dekker
981be2067e
git-subtree-dir: software/gecode_on_replay git-subtree-split: 8051d92b9c89e49cccfbd1c201371580d7703ab4
95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
|
|
/*
|
|
* Main authors:
|
|
* Christian Schulte <schulte@gecode.org>
|
|
*
|
|
* Contributing authors:
|
|
* Guido Tack <tack@gecode.org>
|
|
*
|
|
* Copyright:
|
|
* Christian Schulte, 2004
|
|
* Guido Tack, 2004
|
|
*
|
|
* This file is part of Gecode, the generic constraint
|
|
* development environment:
|
|
* http://www.gecode.org
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
namespace Gecode { namespace Search {
|
|
|
|
/// Create branch and bound engine
|
|
GECODE_SEARCH_EXPORT Engine*
|
|
babengine(Space* s, const Options& o);
|
|
|
|
/// A BAB engine builder
|
|
template<class T>
|
|
class BabBuilder : public Builder {
|
|
using Builder::opt;
|
|
public:
|
|
/// The constructor
|
|
BabBuilder(const Options& opt);
|
|
/// The actual build function
|
|
virtual Engine* operator() (Space* s) const;
|
|
};
|
|
|
|
template<class T>
|
|
inline
|
|
BabBuilder<T>::BabBuilder(const Options& opt)
|
|
: Builder(opt,BAB<T>::best) {}
|
|
|
|
template<class T>
|
|
Engine*
|
|
BabBuilder<T>::operator() (Space* s) const {
|
|
return build<T,BAB>(s,opt);
|
|
}
|
|
|
|
}}
|
|
|
|
namespace Gecode {
|
|
|
|
template<class T>
|
|
inline
|
|
BAB<T>::BAB(T* s, const Search::Options& o)
|
|
: Search::Base<T>(Search::babengine(s,o)) {}
|
|
|
|
template<class T>
|
|
inline T*
|
|
bab(T* s, const Search::Options& o) {
|
|
BAB<T> b(s,o);
|
|
T* l = nullptr;
|
|
while (T* n = b.next()) {
|
|
delete l; l = n;
|
|
}
|
|
return l;
|
|
}
|
|
|
|
template<class T>
|
|
SEB
|
|
bab(const Search::Options& o) {
|
|
return new Search::BabBuilder<T>(o);
|
|
}
|
|
|
|
}
|
|
|
|
// STATISTICS: search-other
|