EFitVariance.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2014 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Oliver Frost                                             *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
#include <stdexcept>
#include <string>
 
namespace Belle2 {
  namespace TrackFindingCDC {
 
    enum class EFitVariance {
      c_Unit = 0,
 
      c_Nominal = 1,
 
      c_DriftLength = 2,
 
      c_Pseudo = 3,
 
      c_Proper = 4,
    };
 
    inline EFitVariance getFitVariance(const std::string& fitVarianceString)
    {
      if (fitVarianceString == std::string("unit")) {
        return EFitVariance::c_Unit;
      } else if (fitVarianceString == std::string("nominal")) {
        return EFitVariance::c_Nominal;
      } else if (fitVarianceString == std::string("driftLength")) {
        return EFitVariance::c_DriftLength;
      } else if (fitVarianceString == std::string("pseudo")) {
        return EFitVariance::c_Pseudo;
      } else if (fitVarianceString == std::string("proper")) {
        return EFitVariance::c_Proper;
      } else {
        throw std::invalid_argument("Unexpected fit variance string : '" + fitVarianceString + "'");
      }
    }
 
  }
}