ANNsampStat Class Reference

#include <ANNperf.h>

Public Member Functions
void	reset ()
	ANNsampStat ()
void	operator+= (double x)
int	samples ()
double	mean ()
double	stdDev ()
double	min ()
double	max ()

Private Attributes
int	n
double	sum
double	sum2
double	minVal
double	maxVal

Detailed Description

Definition at line 85 of file ANNperf.h.

Constructor & Destructor Documentation

ANNsampStat::ANNsampStat ( )

inline

Definition at line 99 of file ANNperf.h.

{ reset(); }            // constructor

Member Function Documentation

double ANNsampStat::max ( )

inline

Definition at line 116 of file ANNperf.h.

Referenced by print_one_stat().

{ return maxVal; } // maximum

double ANNsampStat::mean ( )

inline

Definition at line 110 of file ANNperf.h.

Referenced by print_one_stat().

{ return sum/n; } // mean

double ANNsampStat::min ( )

inline

Definition at line 115 of file ANNperf.h.

Referenced by print_one_stat().

{ return minVal; } // minimum

void ANNsampStat::operator+= ( double  x )

inline

Definition at line 101 of file ANNperf.h.

        {
                n++;  sum += x;  sum2 += x*x;
                if (x < minVal) minVal = x;
                if (x > maxVal) maxVal = x;
        }

void ANNsampStat::reset ( )

inline

Definition at line 91 of file ANNperf.h.

References ANN_DBL_MAX.

Referenced by annResetStats().

        {
                n = 0;
                sum = sum2 = 0;
                minVal = ANN_DBL_MAX;
                maxVal = -ANN_DBL_MAX;
        }

int ANNsampStat::samples ( )

inline

Definition at line 108 of file ANNperf.h.

{ return n; }           // number of samples

double ANNsampStat::stdDev ( )

inline

Definition at line 113 of file ANNperf.h.

Referenced by print_one_stat().

{ return sqrt((sum2 - (sum*sum)/n)/(n-1));}

Member Data Documentation

double ANNsampStat::maxVal

private

Definition at line 89 of file ANNperf.h.

double ANNsampStat::minVal

private

Definition at line 89 of file ANNperf.h.

int ANNsampStat::n

private

Definition at line 86 of file ANNperf.h.

double ANNsampStat::sum

private

Definition at line 87 of file ANNperf.h.

double ANNsampStat::sum2

private

Definition at line 88 of file ANNperf.h.

---

The documentation for this class was generated from the following file:

• src/contrib/ANN/include/ANN/ANNperf.h