lemur::utility::Counter Class Reference

Abstract Counter class. More...

#include <Counter.hpp>

Inheritance diagram for lemur::utility::Counter:

List of all members.

Public Member Functions
virtual	~Counter ()
virtual double	count (int eventIndex) const =0
	return the count of a word
virtual double	sum () const =0
	return the sum of all counts
virtual void	startIteration () const =0
	iteration over non-zero counts
virtual bool	hasMore () const =0
virtual void	nextCount (int &eventIndex, double &count) const =0

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Detailed Description

Abstract Counter class.

The double type, rather than int type, is used so that it may be useful in a setting like EM. The event index has a range [0,N]. The caller is responsible for boundary check if necessary.

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Constructor & Destructor Documentation

virtual lemur::utility::Counter::~Counter (   )  [inline, virtual]

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Member Function Documentation

virtual double lemur::utility::Counter::count (  int  eventIndex  )  const [pure virtual]

return the count of a word Implemented in lemur::utility::ArrayCounter< T >, lemur::utility::ArrayCounter< double >, and lemur::utility::ArrayCounter< int >.

virtual bool lemur::utility::Counter::hasMore (   )  const [pure virtual]

Implemented in lemur::utility::ArrayCounter< T >, lemur::utility::ArrayCounter< double >, and lemur::utility::ArrayCounter< int >.

virtual void lemur::utility::Counter::nextCount (  int &  eventIndex, double &  count )  const [pure virtual]

Implemented in lemur::utility::ArrayCounter< T >, lemur::utility::ArrayCounter< double >, and lemur::utility::ArrayCounter< int >.

virtual void lemur::utility::Counter::startIteration (   )  const [pure virtual]

iteration over non-zero counts Implemented in lemur::utility::ArrayCounter< T >, lemur::utility::ArrayCounter< double >, and lemur::utility::ArrayCounter< int >.

virtual double lemur::utility::Counter::sum (   )  const [pure virtual]

return the sum of all counts Implemented in lemur::utility::ArrayCounter< T >, lemur::utility::ArrayCounter< double >, and lemur::utility::ArrayCounter< int >.

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

• Counter.hpp

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