Random Class Reference

An auxiliary class. The class is used for generating random values. More...

#include <Utility.h>

Static Public Member Functions
static int	nextInt (const int r)
	Get a random integer from 0 to r - 1. More...
static int	nextInt (const int r1, const int r2)
	Get a random integer from r1 to r2. More...
static double	nextDouble (const double range)
	Get a random double from 0 to range. More...
static double	nextDouble (const double r1, const double r2)
	Get a random double from r1 to r2. More...
static double	nextNormal ()
	Draw a random value from normal distribution N( 0, 1) More...
static double	nextNormal (const double mean, const double std)
	Draw a random value from normal distribution N( mean, std * std) More...

Detailed Description

An auxiliary class. The class is used for generating random values.

Member Function Documentation

double Random::nextDouble ( const double  range )

static

Get a random double from 0 to range.

Parameters

range

upper bound

Returns

a double value

double Random::nextDouble ( const double  r1, const double  r2  )

static

Get a random double from r1 to r2.

Parameters

r1	lower bound
r2	upper bound

Returns

a double value

int Random::nextInt ( const int  r )

static

Get a random integer from 0 to r - 1.

Parameters

r	upper bound of integer value (exclusive)

Returns

an integer

int Random::nextInt ( const int  r1, const int  r2  )

static

Get a random integer from r1 to r2.

Parameters

r1	tight lower bound
r2	tight upper bound

Returns

an integer

double Random::nextNormal ( )

static

Draw a random value from normal distribution N( 0, 1)

Returns

a double value

double Random::nextNormal ( const double  mean, const double  std  )

static

Draw a random value from normal distribution N( mean, std * std)

Parameters

mean	mean of normal distribution
std	standard deviation of normal distribution

Returns

a double value

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

• Utility.h
• Utility.cc