Belle II Software
release-05-01-25
Distance2DXYSquared.h
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/**************************************************************************
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* BASF2 (Belle Analysis Framework 2) *
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* Copyright(C) 2014 - Belle II Collaboration *
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* *
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* Author: The Belle II Collaboration *
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* Contributors: Jakob Lettenbichler (jakob.lettenbichler@oeaw.ac.at) *
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* *
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* This software is provided "as is" without any warranty. *
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**************************************************************************/
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#pragma once
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#include <tracking/trackFindingVXD/filterMap/filterFramework/SelectionVariable.h>
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#include <math.h>
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#define DISTANCE2DXYSQUARED_NAME Distance2DXYSquared
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namespace
Belle2
{
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template
<
typename
Po
int
Type>
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class
DISTANCE2DXYSQUARED_NAME
:
public
SelectionVariable
< PointType , 2, double > {
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public
:
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PUT_NAME_FUNCTION
(
DISTANCE2DXYSQUARED_NAME
);
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static
double
value
(
const
PointType& outerHit,
const
PointType& innerHit)
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{
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return
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std::pow(outerHit.X() - innerHit.X() , 2) +
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std::pow(outerHit.Y() - innerHit.Y() , 2);
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}
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};
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}
Belle2::DISTANCE2DXYSQUARED_NAME::PUT_NAME_FUNCTION
PUT_NAME_FUNCTION(DISTANCE2DXYSQUARED_NAME)
is expanded as "static const std:string name(void)" frunction which returns name of the Class
Belle2::DISTANCE2DXYSQUARED_NAME
This is the specialization for SpacePoints with returning floats, where value calculates the squared ...
Definition:
Distance2DXYSquared.h:26
Belle2
Abstract base class for different kinds of events.
Definition:
MillepedeAlgorithm.h:19
Belle2::DISTANCE2DXYSQUARED_NAME::value
static double value(const PointType &outerHit, const PointType &innerHit)
calculates the squared distance between the hits (2D on the X-Y-plane), returning unit: cm^2 for spee...
Definition:
Distance2DXYSquared.h:33
Belle2::SelectionVariable
Base class of the selection variable objects used for pair filtering.
Definition:
SelectionVariable.h:54
tracking
trackFindingVXD
filterMap
twoHitVariables
include
Distance2DXYSquared.h
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