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CLK/DynamicAnalyser/ConfidenceCounter.hpp

46 lines
1.1 KiB
C++

//
// ConfidenceCounter.hpp
// Clock Signal
//
// Created by Thomas Harte on 21/01/2018.
// Copyright © 2018 Thomas Harte. All rights reserved.
//
#ifndef ConfidenceCounter_hpp
#define ConfidenceCounter_hpp
#include "ConfidenceSource.hpp"
namespace DynamicAnalyser {
/*!
Provides a confidence source that calculates its probability by virtual of a history of events.
The initial value of the confidence counter is 0.5.
*/
class ConfidenceCounter: public ConfidenceSource {
public:
/*! @returns The computed probability, based on the history of events. */
float get_probability() override;
/*! Records an event that implies this is the appropriate class — pushes probability up towards 1.0. */
void add_hit();
/*! Records an event that implies this is not the appropriate class — pushes probability down towards 0.0. */
void add_miss();
/*!
Records an event that provides no strong evidence either way — one that
could be a hit but could be a miss — pushes probability up or down towards 0.5.
*/
void add_equivocal();
private:
int hits_ = 1;
int misses_ = 1;
};
}
#endif /* ConfidenceCounter_hpp */