NumericSafeLessByPt< T > Struct Template Reference

#include <PtComparator.h>

Public Types
typedef T	first_argument_type
typedef T	second_argument_type

Public Member Functions
bool	operator() (const T &a1, const T &a2)

Detailed Description

template<class T>
struct NumericSafeLessByPt< T >

Definition at line 38 of file PtComparator.h.

Member Typedef Documentation

template<class T >

typedef T NumericSafeLessByPt< T >::first_argument_type

Definition at line 39 of file PtComparator.h.

template<class T >

typedef T NumericSafeLessByPt< T >::second_argument_type

Definition at line 40 of file PtComparator.h.

Member Function Documentation

template<class T >

bool NumericSafeLessByPt< T >::operator() ( const T &  a1, const T &  a2  )

inline

Definition at line 41 of file PtComparator.h.

References epsilon.

                                            {
    return
      fabs (a1.pt()-a2.pt()) > std::numeric_limits<double>::epsilon() ? a1.pt() < a2.pt() :
      fabs (a1.px()-a2.px()) > std::numeric_limits<double>::epsilon() ? a1.px() < a2.px() :
      a1.pz() < a2.pz();
  }