view src/bayesianArray.h @ 0:0f9165f96bdb

started drum tracker project svn

/*
 *  bayesianArray.h
 *  bayesianTest5
 *
 *  Created by Andrew Robertson on 08/05/2010.
 *  Copyright 2010 __MyCompanyName__. All rights reserved.
 *
 */

#ifndef	_BAYESIAN_ARRAY
#define _BAYESIAN_ARRAY

#define ARRAY_SIZE 240


class bayesianArray{

public:
	
	bayesianArray();
	void initialiseArray();

		void setGaussianLikelihoodForBeats(float mean, float StdDev);		
		void setGaussianLikelihood(float mean, float StdDev);	
		void setGaussianPrior(float mean, float StdDev);
		void setGaussianPosterior(float mean, float StdDev);
			
		void calculatePosterior();
		void renormalisePosterior();
		void resetMaximumPosterior();//resets the max index
		void decayPosteriorWithGaussianNoise();
		void translateDistribution(int translationIndex);
		void setDecayNoiseGaussian(float mean, float StdDev);
		double calculateStandardDeviation();
	
		
		float getMaximum(float *ptr, int length);
		void renormaliseArray(float *ptr, int length);
		void resetPrior();
		void decayPosterior();
		float* getMaximumEstimate(float *ptr, int length);
		double getIntegratedEstimateIndex();
	
		float prior [ARRAY_SIZE];
		float posterior [ARRAY_SIZE];
		float likelihood [ARRAY_SIZE];	
		float tempPosteriorArray[ARRAY_SIZE];

		float decayNoiseArray[ARRAY_SIZE];
		float decayNoiseStdDev, decayNoiseAmount;

		float likelihoodMean, likelihoodStdDev, likelihoodNoise;
		float maximumTest, posteriorDecayRate, maximumValue;
		float eighthNoteProportion, earlySixteenthNoteProportion, lateSixteenthNoteProportion ;
		float maximumEstimate, maximumIndex, integratedEstimate;
		double standardDeviation;
			
private:
};

#endif