/usr/include/root/Math/TDataPoint.h is in libroot-math-mathcore-dev 5.34.14-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Authors: C. Gumpert 09/2011
/**********************************************************************
* *
* Copyright (c) 2011 , LCG ROOT MathLib Team *
* *
* *
**********************************************************************/
//
// Header file for TDataPointclass
//
#ifndef ROOT_Math_TDataPoint
#define ROOT_Math_TDataPoint
//ROOT include(s)
#include "Rtypes.h"
namespace ROOT
{
namespace Math
{
template<unsigned int K,typename _val_type = float>
class TDataPoint
{
public:
typedef _val_type value_type;
enum {
kDimension = K //the dimensionality of this data point
};
static UInt_t Dimension() {return kDimension;}
TDataPoint();
#ifndef __MAKECINT__
template<typename _coord_typ>
TDataPoint(const _coord_typ* pData,_val_type fWeight = 1);
#endif
//virtual ~TDataPoint() {}
#ifndef __MAKECINT__
template<typename _val>
value_type Distance(const TDataPoint<K,_val>& rPoint) const;
#endif
value_type GetCoordinate(unsigned int iAxis) const;
value_type GetWeight() const {return m_fWeight;}
Bool_t Less(TDataPoint& rPoint,unsigned int iAxis) const;
void SetCoordinate(unsigned int iAxis,_val_type fValue);
void SetWeight(float fWeight) {m_fWeight = fWeight;}
private:
value_type m_vCoordinates[K]; //coordinates
value_type m_fWeight; //weight at this point
};
// some typedef definitions
typedef TDataPoint<1,Float_t> TDataPoint1F;
typedef TDataPoint<2,Float_t> TDataPoint2F;
typedef TDataPoint<3,Float_t> TDataPoint3F;
typedef TDataPoint<1,Double_t> TDataPoint1D;
typedef TDataPoint<2,Double_t> TDataPoint2D;
typedef TDataPoint<3,Double_t> TDataPoint3D;
}//namespace Math
}//namespace ROOT
#include "Math/TDataPoint.icc"
#endif // ROOT_Math_TDataPoint
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