NumericSafeGreaterByPt< 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 NumericSafeGreaterByPt< T >

Definition at line 46 of file PtComparator.h.

Member Typedef Documentation

first_argument_type

template<class T>

typedef T NumericSafeGreaterByPt< T >::first_argument_type

Definition at line 47 of file PtComparator.h.

second_argument_type

template<class T>

typedef T NumericSafeGreaterByPt< T >::second_argument_type

Definition at line 48 of file PtComparator.h.

Member Function Documentation

operator()()

template<class T>

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

inline

Definition at line 49 of file PtComparator.h.

                                            {
    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();
  }

References testProducerWithPsetDescEmpty_cfi::a2, and geometryDiff::epsilon.