NumericSafeLessByEt< T > Struct Template Reference

#include <EtComparator.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 NumericSafeLessByEt< T >

Definition at line 33 of file EtComparator.h.

Member Typedef Documentation

first_argument_type

template<class T >

typedef T NumericSafeLessByEt< T >::first_argument_type

Definition at line 34 of file EtComparator.h.

second_argument_type

template<class T >

typedef T NumericSafeLessByEt< T >::second_argument_type

Definition at line 35 of file EtComparator.h.

Member Function Documentation

operator()()

template<class T >

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

inline

Definition at line 36 of file EtComparator.h.

                                            {
    return fabs(a1.et() - a2.et()) > std::numeric_limits<double>::epsilon()
               ? a1.et() < a2.et()
               : 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.