stat-tracker.h

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class StatTracker
{
protected:
    uint32_t numPoints;               
    float sum;                        
    float sumSquared;                 
    float Sx;                         
 
public:  
    StatTracker(void);                // Constructor to initialize variables.
    void add_data(float new_float);   // Add one data point to the set being tracked.
    void add_data(int32_t new_int);   // Add a signed integer point to the data set.
    void add_data(uint32_t new_uint); // Add an unsigned integer point to the data set.
    uint32_t num_points(void);        // Returns the number of data points added.
    float average(void);              // Returns the average of the data.
    float std_dev(void);              // Returns the standard deviation of the data.
    void clear(void);                 // Deletes all the data, returning to no points added state.
};