andrew@0: /*
andrew@0:  *  bayesianArray.h
andrew@0:  *  bayesianTest5
andrew@0:  *
andrew@0:  *  Created by Andrew Robertson on 08/05/2010.
andrew@0:  *  Copyright 2010 __MyCompanyName__. All rights reserved.
andrew@0:  *
andrew@0:  */
andrew@0: 
andrew@0: #ifndef	_BAYESIAN_ARRAY
andrew@0: #define _BAYESIAN_ARRAY
andrew@0: 
andrew@0: #define ARRAY_SIZE 240
andrew@0: 
andrew@0: 
andrew@0: class bayesianArray{
andrew@0: 
andrew@0: public:
andrew@0: 	
andrew@0: 	bayesianArray();
andrew@0: 	void initialiseArray();
andrew@0: 
andrew@0: 		void setGaussianLikelihoodForBeats(float mean, float StdDev);		
andrew@0: 		void setGaussianLikelihood(float mean, float StdDev);	
andrew@0: 		void setGaussianPrior(float mean, float StdDev);
andrew@0: 		void setGaussianPosterior(float mean, float StdDev);
andrew@0: 			
andrew@0: 		void calculatePosterior();
andrew@0: 		void renormalisePosterior();
andrew@0: 		void resetMaximumPosterior();//resets the max index
andrew@0: 		void decayPosteriorWithGaussianNoise();
andrew@0: 		void translateDistribution(int translationIndex);
andrew@0: 		void setDecayNoiseGaussian(float mean, float StdDev);
andrew@0: 		double calculateStandardDeviation();
andrew@0: 	
andrew@0: 		
andrew@0: 		float getMaximum(float *ptr, int length);
andrew@0: 		void renormaliseArray(float *ptr, int length);
andrew@0: 		void resetPrior();
andrew@0: 		void decayPosterior();
andrew@0: 		float* getMaximumEstimate(float *ptr, int length);
andrew@0: 		double getIntegratedEstimateIndex();
andrew@0: 	
andrew@0: 		float prior [ARRAY_SIZE];
andrew@0: 		float posterior [ARRAY_SIZE];
andrew@0: 		float likelihood [ARRAY_SIZE];	
andrew@0: 		float tempPosteriorArray[ARRAY_SIZE];
andrew@0: 
andrew@0: 		float decayNoiseArray[ARRAY_SIZE];
andrew@0: 		float decayNoiseStdDev, decayNoiseAmount;
andrew@0: 
andrew@0: 		float likelihoodMean, likelihoodStdDev, likelihoodNoise;
andrew@0: 		float maximumTest, posteriorDecayRate, maximumValue;
andrew@0: 		float eighthNoteProportion, earlySixteenthNoteProportion, lateSixteenthNoteProportion ;
andrew@0: 		float maximumEstimate, maximumIndex, integratedEstimate;
andrew@0: 		double standardDeviation;
andrew@0: 			
andrew@0: private:
andrew@0: };
andrew@0: 
andrew@0: #endif
andrew@0: