multiDimFunctionGraphProjector.h

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/****************************************************************************
 *  Copyright (C) 2005 by Pierre-Henri WUILLEMIN et Christophe GONZALES     *
 *  {prenom.nom}_at_lip6.fr                                                 *
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 *  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       *
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 *  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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 *  Free Software Foundation, Inc.,                                         *
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#ifndef GUM_MULTI_DIM_FUNCTION_GRAPH_PROJECTOR_H
#define GUM_MULTI_DIM_FUNCTION_GRAPH_PROJECTOR_H

#include <functional>

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

namespace gum {

  // clang-format off
  // clang-format on
  template < typename GUM_SCALAR,
             template < typename >
             class FUNCTOR,
             template < typename > class TerminalNodePolicy =
                ExactTerminalNodePolicy >
  class MultiDimFunctionGraphProjector {
    public:
    // ============================================================================
    // ============================================================================

    MultiDimFunctionGraphProjector(
       const MultiDimFunctionGraph< GUM_SCALAR, TerminalNodePolicy >* src,
       const Set< const DiscreteVariable* >&                          delVars,
       const GUM_SCALAR                                               neutral);

    ~MultiDimFunctionGraphProjector();

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

    MultiDimFunctionGraph< GUM_SCALAR, TerminalNodePolicy >* project();


    private:
    const MultiDimFunctionGraph< GUM_SCALAR, TerminalNodePolicy >* __src;

    const Set< const DiscreteVariable* >& __delVars;

    MultiDimFunctionGraph< GUM_SCALAR, TerminalNodePolicy >* __rd;

    const FUNCTOR< GUM_SCALAR > __function;

    const GUM_SCALAR __neutral;
  };

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

}   // namespace gum

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

#endif   // GUM_MULTI_DIM_FUNCTION_GRAPH_PROJECTOR_H