Majority< T > Class Template Reference

#include <Majority.h>

List of all members.

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

(

)

[inline, virtual]

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

(

)

[inline, virtual]

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]

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;
  }

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;
  }

---

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().