logarithm.hpp

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/*
 *    This file is part of ACADO Toolkit.
 *
 *    ACADO Toolkit -- A Toolkit for Automatic Control and Dynamic Optimization.
 *    Copyright (C) 2008-2014 by Boris Houska, Hans Joachim Ferreau,
 *    Milan Vukov, Rien Quirynen, KU Leuven.
 *    Developed within the Optimization in Engineering Center (OPTEC)
 *    under supervision of Moritz Diehl. All rights reserved.
 *
 *    ACADO Toolkit 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 3 of the License, or (at your option) any later version.
 *
 *    ACADO Toolkit 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 ACADO Toolkit; if not, write to the Free Software
 *    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */



#ifndef ACADO_TOOLKIT_LOGARITHM_HPP
#define ACADO_TOOLKIT_LOGARITHM_HPP


#include <acado/symbolic_operator/symbolic_operator_fwd.hpp>


BEGIN_NAMESPACE_ACADO


class Logarithm : public UnaryOperator{

public:

    Logarithm();

    Logarithm( Operator *_argument );

    Logarithm( const Logarithm &arg );

    ~Logarithm();

    Logarithm& operator=( const Logarithm &arg );


        virtual returnValue evaluate( EvaluationBase *x );



     virtual Operator* substitute( int   index           ,
                                     const Operator *sub );


     virtual Operator* clone() const;


     virtual CurvatureType getCurvature( );


     virtual returnValue initDerivative();


//
//  PROTECTED FUNCTIONS:
//

protected:

};


CLOSE_NAMESPACE_ACADO



#endif