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CLK/Analyser/Dynamic/ConfidenceCounter.hpp
Thomas Harte 294e09f275 All these 'override's can be 'final's.
At least for the purpose of being communicative. I doubt there's much to gain in terms of compiler output — the DiskImageHolder can avoid some virtual lookups but nothing else leaps out.
2020-01-23 22:57:51 -05:00

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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 Analyser {
namespace Dynamic {
/*!
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_confidence() final;
/*! 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 could be correct but isn't necessarily so; which can push probability
down towards 0.5, but will never push it upwards.
*/
void add_equivocal();
private:
int hits_ = 1;
int misses_ = 1;
};
}
}
#endif /* ConfidenceCounter_hpp */