bab.hpp

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/* -*- 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
 *
 *  Last modified:
 *     $Date: 2016-04-19 17:19:45 +0200 (Tue, 19 Apr 2016) $ by $Author: schulte $
 *     $Revision: 14967 $
 *
 *  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
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namespace Gecode { namespace Search {

  GECODE_SEARCH_EXPORT Engine* bab(Space* s, const Options& o);

  template<class T>
  class BabBuilder : public Builder {
    using Builder::opt;
  public:
    BabBuilder(const Options& opt);
    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::bab(s,o)) {}

  template<class T>
  inline T*
  bab(T* s, const Search::Options& o) {
    BAB<T> b(s,o);
    T* l = NULL;
    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