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 12 of file Majority.h.

Constructor & Destructor Documentation

Majority() [1/2]

template<class T>

Majority< T >::Majority ( )

inline

Constructs a Majority

Definition at line 17 of file Majority.h.

: n_(0) {}

~Majority() [1/2]

template<class T>

virtual Majority< T >::~Majority ( )

inlinevirtual

Destructor

Definition at line 21 of file Majority.h.

{}

Majority() [2/2]

template<class T>

Majority< T >::Majority ( )

inline

Constructs a Majority

Definition at line 18 of file Majority.h.

: n_(0) {}

~Majority() [2/2]

template<class T>

virtual Majority< T >::~Majority ( )

inlinevirtual

Destructor

Definition at line 22 of file Majority.h.

{}

Member Function Documentation

add() [1/2]

template<class T>

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

inline

Definition at line 23 of file Majority.h.

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

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

Referenced by counter.Counter::register(), SequenceTypes.Task::remove(), and SequenceTypes.Task::replace().

add() [2/2]

template<class T>

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

inline

Collects event

Parameters

value

event

Definition at line 27 of file Majority.h.

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

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

Referenced by counter.Counter::register(), SequenceTypes.Task::remove(), and SequenceTypes.Task::replace().

result() [1/2]

template<class T>

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

inline

Definition at line 28 of file Majority.h.

                                {
    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;
  }

References visualization-live-secondInstance_cfg::m, Majority< T >::n_, and Majority< T >::votes_.

result() [2/2]

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 37 of file Majority.h.

                                {
    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;
  }

References visualization-live-secondInstance_cfg::m, Majority< T >::n_, and Majority< T >::votes_.

Member Data Documentation

n_

template<class T>

double Majority< T >::n_

private

Definition at line 47 of file Majority.h.

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

votes_

template<class T>

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

private

Definition at line 46 of file Majority.h.

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