measure.h File Reference

#include <cmath>

Go to the source code of this file.

Classes
struct	MEASUREMENT

Macros
#define	ADD_SAMPLE(m, s)
#define	MEAN(m)   ((m).num_samples ? ((float)((m).sum_of_samples / (m).num_samples)) : 0)
#define	new_measurement(m)   ((m).num_samples = 0, (m).sum_of_samples = 0, (m).sum_of_squares = 0)
#define	number_of_samples(m)   ((m).num_samples)
#define	standard_deviation(m)   ((float) sqrt (VARIANCE (m)))
#define	VARIANCE(m)
#define	print_summary(string, measure)

Macro Definition Documentation

ADD_SAMPLE

#define ADD_SAMPLE	(		m,
			s
	)

Value:

(m.sum_of_samples += (float)(s), \
   m.sum_of_squares += (float)(s) * (float)(s), ++m.num_samples)

Definition at line 54 of file measure.h.

MEAN

#define MEAN

(

m

)

((m).num_samples ? ((float)((m).sum_of_samples / (m).num_samples)) : 0)

Definition at line 63 of file measure.h.

new_measurement

#define new_measurement

(

m

)

((m).num_samples = 0, (m).sum_of_samples = 0, (m).sum_of_squares = 0)

Definition at line 72 of file measure.h.

number_of_samples

#define number_of_samples

(

m

)

((m).num_samples)

Definition at line 80 of file measure.h.

print_summary

#define print_summary	(		string,
			measure
	)

Value:

cprintf("\t%-20s \tn = %d, \tm = %4.2f, \ts = %4.2f\n ", string, \
          number_of_samples(measure), MEAN(measure),               \
          standard_deviation(measure))

Definition at line 108 of file measure.h.

standard_deviation

#define standard_deviation

(

m

)

((float) sqrt (VARIANCE (m)))

Definition at line 88 of file measure.h.

VARIANCE

#define VARIANCE

(

m

)

Value:

(((m).num_samples > 1)                                      \
       ? ((float)(((m).num_samples * (m).sum_of_squares -     \
                   (m).sum_of_samples * (m).sum_of_samples) / \
                  (((m).num_samples - 1) * (m).num_samples))) \
       : 0)

Definition at line 96 of file measure.h.