Belle II Software  release-05-01-25
Distance1DZSquared.h
1 /**************************************************************************
2 * BASF2 (Belle Analysis Framework 2) *
3 * Copyright(C) 2014 - Belle II Collaboration *
4 * *
5 * Author: The Belle II Collaboration *
6 * Contributors: Jakob Lettenbichler (jakob.lettenbichler@oeaw.ac.at) *
7 * *
8 * This software is provided "as is" without any warranty. *
9 **************************************************************************/
10 
11 #pragma once
12 
13 #include <tracking/trackFindingVXD/filterMap/filterFramework/SelectionVariable.h>
14 
15 #define DISTANCE1DZSQUARED_NAME Distance1DZSquared
16 
17 namespace Belle2 {
24  template <typename PointType >
25  class DISTANCE1DZSQUARED_NAME : public SelectionVariable< PointType , 2, double > {
26  public:
29 
31  static double value(const PointType& outerHit, const PointType& innerHit)
32  {
33  return std::pow(double(outerHit.Z() - innerHit.Z()), 2);
34  }
35  };
36 
38 }
Belle2::DISTANCE1DZSQUARED_NAME
This is the specialization for SpacePoints with returning floats, where value calculates the squared ...
Definition: Distance1DZSquared.h:25
Belle2::DISTANCE1DZSQUARED_NAME::value
static double value(const PointType &outerHit, const PointType &innerHit)
calculates the squared distance between the hits in Z (in 1D), returning unit: cm^2
Definition: Distance1DZSquared.h:31
Belle2
Abstract base class for different kinds of events.
Definition: MillepedeAlgorithm.h:19
Belle2::SelectionVariable
Base class of the selection variable objects used for pair filtering.
Definition: SelectionVariable.h:54
Belle2::DISTANCE1DZSQUARED_NAME::PUT_NAME_FUNCTION
PUT_NAME_FUNCTION(DISTANCE1DZSQUARED_NAME)
is replaced by "static const std:string name(void)" frunction which returns name of the Class (CLASS_...