#pragma once

//#include "WProgram.h"

class Yin{
	
public: 
	Yin();
	Yin(float sampleRate,int bufferSize);
	void initialize(float sampleRate,int bufferSize);
	float getPitch(float* buffer);
	float getProbability();
	
private: 
	float parabolicInterpolation(int tauEstimate);
	int absoluteThreshold();
	void cumulativeMeanNormalizedDifference();
	void difference(float* buffer);
	
    double threshold;
	int bufferSize;
	int halfBufferSize;
	float sampleRate;
	float* yinBuffer;
	float probability;
};