FlavorTagDiscriminants::internal::BVarGetter< T > Class Template Reference

#include <DataPrepUtilities.h>

Collaboration diagram for FlavorTagDiscriminants::internal::BVarGetter< T >:

Public Member Functions
	BVarGetter (const std::string &name, const std::string &default_flag)
NamedVar	operator() (const SG::AuxElement &btag) const

Private Types
typedef SG::AuxElement	AE

Private Attributes
AE::ConstAccessor< T >	m_getter
AE::ConstAccessor< char >	m_default_flag
std::string	m_name

Detailed Description

template<typename T>
class FlavorTagDiscriminants::internal::BVarGetter< T >

Definition at line 79 of file DataPrepUtilities.h.

Member Typedef Documentation

AE

template<typename T >

typedef SG::AuxElement FlavorTagDiscriminants::internal::BVarGetter< T >::AE

private

Definition at line 81 of file DataPrepUtilities.h.

Constructor & Destructor Documentation

BVarGetter()

template<typename T >

FlavorTagDiscriminants::internal::BVarGetter< T >::BVarGetter ( const std::string &  name, const std::string &  default_flag  )

inline

Definition at line 86 of file DataPrepUtilities.h.

                                                                        :
          m_getter(name),
          m_default_flag(default_flag),
          m_name(name)
          {
          }

Member Function Documentation

operator()()

template<typename T >

NamedVar FlavorTagDiscriminants::internal::BVarGetter< T >::operator() ( const SG::AuxElement &  btag ) const

inline

Definition at line 92 of file DataPrepUtilities.h.

                                                            {
          T ret_value = m_getter(btag);
          bool is_default = m_default_flag(btag);
          if constexpr (std::is_floating_point<T>::value) {
            if (std::isnan(ret_value) && !is_default) {
              throw std::runtime_error(
                "Found NAN value for '" + m_name
                + "'. This is only allowed when using a default"
                " value for this input");
            }
          }
          return {m_name, is_default ? NAN : ret_value};
        }

Member Data Documentation

m_default_flag

template<typename T >

AE::ConstAccessor<char> FlavorTagDiscriminants::internal::BVarGetter< T >::m_default_flag

private

Definition at line 83 of file DataPrepUtilities.h.

m_getter

template<typename T >

AE::ConstAccessor<T> FlavorTagDiscriminants::internal::BVarGetter< T >::m_getter

private

Definition at line 82 of file DataPrepUtilities.h.

m_name

template<typename T >

std::string FlavorTagDiscriminants::internal::BVarGetter< T >::m_name

private

Definition at line 84 of file DataPrepUtilities.h.

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The documentation for this class was generated from the following file:

• DataPrepUtilities.h