approximationPolicy.h

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/***************************************************************************
 *   Copyright (C) 2005 by Christophe GONZALES and Pierre-Henri WUILLEMIN  *
 *   {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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 *   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_APPROXIMATION_POLICY_H
#define GUM_APPROXIMATION_POLICY_H
#include <agrum/agrum.h>

namespace gum {

  template < typename GUM_SCALAR >
  class ApproximationPolicy {
    public:
    // ===========================================================================
    // ===========================================================================

    ApproximationPolicy(){};

    ApproximationPolicy(const ApproximationPolicy< GUM_SCALAR >* md){};

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

    virtual GUM_SCALAR fromExact(const GUM_SCALAR& value) const = 0;

    virtual void combineAdd(const ApproximationPolicy< GUM_SCALAR >* ap) = 0;

    virtual void combineSub(const ApproximationPolicy< GUM_SCALAR >* ap) = 0;

    virtual void combineMult(const ApproximationPolicy< GUM_SCALAR >* ap) = 0;

    virtual void combineDiv(const ApproximationPolicy< GUM_SCALAR >* ap) = 0;

    virtual void combineMax(const ApproximationPolicy< GUM_SCALAR >* ap) = 0;

    virtual void combineMin(const ApproximationPolicy< GUM_SCALAR >* ap) = 0;

  };
}   // namespace gum

#endif /* GUM_APPROXIMATION_POLICY_H */