SZParameters.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
#pragma once
 
#include <tracking/trackFindingCDC/geometry/UncertainParameters.h>
 
namespace Belle2 {
  namespace TrackFindingCDC {
 
    namespace NSZParameterIndices {
 
      enum ESZParameter {
        c_TanL = 0,
 
        c_Z0 = 1,
 
        c_N = 2,
      };
    }
 
    using ESZParameter = NSZParameterIndices::ESZParameter;
 
    // Guard to prevent repeated template symbol emission
    struct SZUtil;
    extern template struct UncertainParametersUtil<SZUtil, ESZParameter>;
 
    struct SZUtil : UncertainParametersUtil<SZUtil, ESZParameter> {
 
      static ParameterVector reversalSigns()
      {
        return  ParameterVector({ -1.0, 1.0});
      }
    };
 
    using SZParameters = SZUtil::ParameterVector;
 
    using SZCovariance = SZUtil::CovarianceMatrix;
 
    using SZPrecision = SZUtil::PrecisionMatrix;
 
    using SZJacobian = SZUtil::JacobianMatrix;
 
  }
 
}