Majority< T > Class Template Reference

#include <Majority.h>

Public Member Functions
void	add (const T &value)
void	add (const T &value)
	Majority ()
	Majority ()
T	result (double *proba) const
T	result (double *proba) const
virtual	~Majority ()
virtual	~Majority ()

Private Attributes
double	n_
std::map< T, double >	votes_

Detailed Description

template<class T>
class Majority< T >

Utility class to take a decision on majority based. Used by MatacqProducer.

Definition at line 13 of file Majority.h.

Constructor & Destructor Documentation

template<class T>

Majority< T >::Majority ( )

inline

Constructs a Majority

Definition at line 18 of file Majority.h.

: n_(0){}

template<class T>

virtual Majority< T >::~Majority ( )

inlinevirtual

Destructor

Definition at line 22 of file Majority.h.

{}

template<class T>

Majority< T >::Majority ( )

inline

Constructs a Majority

Definition at line 19 of file Majority.h.

: n_(0){}

template<class T>

virtual Majority< T >::~Majority ( )

inlinevirtual

Destructor

Definition at line 23 of file Majority.h.

{}

Member Function Documentation

template<class T>

void Majority< T >::add ( const T &  value )

inline

Definition at line 25 of file Majority.h.

References Majority< T >::n_, relativeConstraints::value, and Majority< T >::votes_.

Referenced by MatacqProducer::getCalibTriggerType(), and LaserSorter::getDetailedTriggerType().

                     {
    votes_[value] += 1.;
    n_ += 1.;
  }

template<class T>

void Majority< T >::add ( const T &  value )

inline

Collects event

Parameters

value

event

Definition at line 29 of file Majority.h.

References Majority< T >::n_, relativeConstraints::value, and Majority< T >::votes_.

                     {
    votes_[value] += 1.;
    n_ += 1.;
  }

template<class T>

T Majority< T >::result ( double *  proba ) const

inline

Definition at line 30 of file Majority.h.

References m, Majority< T >::n_, and Majority< T >::votes_.

Referenced by MatacqProducer::getCalibTriggerType(), and LaserSorter::getDetailedTriggerType().

                               {
    std::pair<T, double> m(T(), -1.);
    for(typename std::map<T, double>::const_iterator it = votes_.begin();
    it != votes_.end();
    ++it){
      if(it->second > m.second){
    m = *it;
      }
    }
    if(proba) *proba = n_>0?m.second/n_:-1;
    return m.first;
  }

template<class T>

T Majority< T >::result ( double *  proba ) const

inline

Result of majority decision

Parameters

proba.

If not null, filled with the frequency of the selected value.

Returns

selected value, that is the most frequent one.

Definition at line 39 of file Majority.h.

References m, Majority< T >::n_, and Majority< T >::votes_.

                               {
    std::pair<T, double> m(T(), -1.);
    for(typename std::map<T, double>::const_iterator it = votes_.begin();
    it != votes_.end();
    ++it){
      if(it->second > m.second){
    m = *it;
      }
    }
    if(proba) *proba = n_>0?m.second/n_:-1;
    return m.first;
  }

Member Data Documentation

template<class T>

double Majority< T >::n_

private

Definition at line 51 of file Majority.h.

Referenced by Majority< T >::add(), and Majority< T >::result().

template<class T>

std::map< T, double > Majority< T >::votes_

private

Definition at line 50 of file Majority.h.

Referenced by Majority< T >::add(), and Majority< T >::result().