42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
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#ifndef __P2_H__
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#define __P2_H__
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class p2_t
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{
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public:
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p2_t( );
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~p2_t( );
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// Initialize a p^2 structure to target a particular quantile
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p2_t( double quantile );
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// Set a p^2 structure to target a particular quantile
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void add_quantile( double quant );
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// Set a p^2 structure to target n equally spaced quantiles
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void add_equal_spacing( int n );
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// Call to add a data point into the structure
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void add( double data );
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// Retrieve the value of the quantile. This function may only be called if only one quantile is targetted by the p2_t structure
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double result( );
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// Retrieve the value at a particular quantile.
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double result( double quantile );
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//Report the histogram
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void report();
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//Return stats
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void getStats(double *, double*);
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private:
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void add_end_markers( );
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double *allocate_markers( int count );
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void update_markers( );
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void p2_sort( double *q, int count );
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double parabolic( int i, int d );
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double linear( int i, int d );
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double *q;
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double *dn;
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double *np;
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int *n;
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int count;
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int marker_count;
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};
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#endif
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