treeRegress.h

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/****************************************************************************
 *  Copyright (C) 2005 by Pierre-Henri WUILLEMIN et Christophe GONZALES     *
 *  {prenom.nom}_at_lip6.fr                                                 *
 *                                                                          *
 *  This program is free software; you can redistribute it and/or modify    *
 *  it under the terms of the GNU General Public License as published by    *
 *  the Free Software Foundation; either version 2 of the License, or       *
 *  (at your option) any later version.                                     *
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 *  This program 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 General Public License for more details.                            *
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 *  You should have received a copy of the GNU General Public License       *
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 *  Free Software Foundation, Inc.,                                         *
 *  59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.                *
 ****************************************************************************/
#ifndef GUM_TREE_REGRESS_H
#define GUM_TREE_REGRESS_H

#include <functional>

#include <agrum/multidim/implementations/multiDimFunctionGraph.h>
#include <agrum/multidim/utils/FunctionGraphUtilities/terminalNodePolicies/ExactTerminalNodePolicy.h>

namespace gum {

  template < typename GUM_SCALAR,
             template < typename >
             class COMBINEOPERATOR,
             template < typename >
             class PROJECTOPERATOR,
             template < typename > class TerminalNodePolicy =
                ExactTerminalNodePolicy >
  class TreeRegress {
    public:
    // ============================================================================
    // ============================================================================

    TreeRegress(
       const MultiDimFunctionGraph< GUM_SCALAR, TerminalNodePolicy >* qAction,
       const Bijection<
          const DiscreteVariable*,
          const MultiDimFunctionGraph< GUM_SCALAR, TerminalNodePolicy >* > pxi);

    ~TreeRegress();

    // ============================================================================
    // ============================================================================

    MultiDimFunctionGraph< GUM_SCALAR, TerminalNodePolicy >* compute();


    private:
    MultiDimFunctionGraph< GUM_SCALAR, TerminalNodePolicy >*
       __xPloreVFunc(NodeId currentNodeId);

    const MultiDimFunctionGraph< GUM_SCALAR, TerminalNodePolicy >* __vFunc;
    const Bijection<
       const DiscreteVariable*,
       const MultiDimFunctionGraph< GUM_SCALAR, TerminalNodePolicy >* >
                                              __pxi;
    HashTable< const DiscreteVariable*, Idx > __context;
  };

#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
  extern template class TreeRegress< double, std::multiplies, std::plus >;
#endif

}   // namespace gum

#include <agrum/multidim/utils/FunctionGraphUtilities/operators/treeRegress_tpl.h>

#endif   // GUM_REGRESS_H