variables/Branching.h

// Branching.h -- The `minimum/maximum branching' variable ordering
// heuristic interface.

/*
 * Copyright (C) 2004 Tudor Hulubei <tudor@hulubei.net>.
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2, or (at
 * your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA,
 * 02111-1307, USA.
 */

// $Id: variables_2Branching_8h-source.html,v 1.1 2005/05/25 12:37:18 tudor Exp $

#ifndef _CSP_HEURISTICS_VARIABLE_Branching_H
#define _CSP_HEURISTICS_VARIABLE_Branching_H


CSP_NAMESPACE_BEGIN(csp);
CSP_NAMESPACE_BEGIN(heuristics);
CSP_NAMESPACE_BEGIN(variables);


class CSP_API Branching :
    public VariableOH
{
  public:
    enum Preference
    {
        Minimum,

        Maximum
    };

    Branching(
        Decomposition& decomposition,
        const vector<pair<double, double> >& intervals,
        double quality = 1,
        Preference preference = Minimum);

    virtual void select(vlist_type& selectable, vlist_type& selected);

  private:
    Branching(const Branching&);

    Branching& operator=(const Branching&);

    Preference m_preference;
};


CSP_NAMESPACE_END(variables);
CSP_NAMESPACE_END(heuristics);
CSP_NAMESPACE_END(csp);


#endif // _CSP_HEURISTICS_VARIABLE_Branching_H

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// mode: C++
// End:

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