ConstField.h

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/* Copyright 2008-2010, Technische Universitaet Muenchen,
   Authors: Christian Hoeppner & Sebastian Neubert & Johannes Rauch

   This file is part of GENFIT.

   GENFIT 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.

   GENFIT 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 GENFIT.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef genfit_ConstField_h
#define genfit_ConstField_h

#include "AbsBField.h"


namespace genfit {

class ConstField : public AbsBField {
 public:
  ConstField(double b1, double b2, double b3)
    : field_(b1, b2, b3)
  { ; }

  ConstField(const TVector3& field)
    : field_(field)
  { ; }

  TVector3 get(const TVector3& pos) const;
  void get(const double& posX, const double& posY, const double& posZ, double& Bx, double& By, double& Bz) const;

 private:
  TVector3 field_;
};

} /* End of namespace genfit */
#endif // genfit_ConstField_h