exactPolicy.h

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

#include <agrum/core/approximations/approximationPolicy.h>

namespace gum {

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

    ExactPolicy();


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

    INLINE GUM_SCALAR fromExact(const GUM_SCALAR& value) const;

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

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

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

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

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

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

  };
}   // namespace gum


#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
extern template class gum::ExactPolicy< double >;
#endif


// Always include inlined implementation of template class
#include <agrum/core/approximations/exactPolicy_tpl.h>

#endif /* GUM_EXACT_POLICY_H */