epot_efield.hpp

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/* Copyright (c) 2005-2011 Taneli Kalvas. All rights reserved.
 *
 * You can redistribute this software 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 library 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
 * along with this library (file "COPYING" included in the package);
 * if not, write to the Free Software Foundation, Inc., 51 Franklin
 * Street, Fifth Floor, Boston, MA 02110-1301 USA
 * 
 * If you have questions about your rights to use or distribute this
 * software, please contact Berkeley Lab's Technology Transfer
 * Department at TTD@lbl.gov. Other questions, comments and bug
 * reports should be sent directly to the author via email at
 * taneli.kalvas@jyu.fi.
 * 
 * NOTICE. This software was developed under partial funding from the
 * U.S.  Department of Energy.  As such, the U.S. Government has been
 * granted for itself and others acting on its behalf a paid-up,
 * nonexclusive, irrevocable, worldwide license in the Software to
 * reproduce, prepare derivative works, and perform publicly and
 * display publicly.  Beginning five (5) years after the date
 * permission to assert copyright is obtained from the U.S. Department
 * of Energy, and subject to any subsequent five (5) year renewals,
 * the U.S. Government is granted for itself and others acting on its
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#ifndef EPOT_EFIELD_HPP
#define EPOT_EFIELD_HPP 1


#include "vectorfield.hpp"
#include "geometry.hpp"
#include "scalarfield.hpp"
#include "vec3d.hpp"
#include "types.hpp"


class EpotEfield : public VectorField {

    field_extrpl_e       _extrpl[6];   
    const Geometry      &_g;           
    const ScalarField   &_epot;        
public:

    EpotEfield( const Geometry &g, const ScalarField &epot );

    ~EpotEfield() {}

    void set_extrapolation( field_extrpl_e extrpl[6] ) {
        memcpy( _extrpl, extrpl, 6*sizeof(field_extrpl_e) );
    }

    virtual const Vec3D operator()( Vec3D x ) const;
};


#endif