Random Numbers

Provides random number generators. More...

Functions
double	ogdf::randomDouble (double low, double high)
	Returns a random double value from the interval [low, high).
double	ogdf::randomDoubleExponential (double beta)
	Returns a random double value from the exponential distribution.
double	ogdf::randomDoubleNormal (double m, double sd)
	Returns a random double value from the normal distribution with mean m and standard deviation sd.
int	ogdf::randomNumber (int low, int high)
	Returns random integer between low and high (including).
long unsigned int	ogdf::randomSeed ()
	Returns a random value suitable as initial seed for a random number engine.
void	ogdf::setSeed (int val)
	Sets the seed for functions like randomSeed(), randomNumber(), randomDouble().

Detailed Description

Provides random number generators.

Function Documentation

randomDouble()

double ogdf::randomDouble	(	double	low,
		double	high
	)

Returns a random double value from the interval [low, high).

Thread Safety

This functions is thread-safe.

randomDoubleExponential()

double ogdf::randomDoubleExponential

(

double

beta

)

Returns a random double value from the exponential distribution.

Thread Safety

This functions is thread-safe.

randomDoubleNormal()

double ogdf::randomDoubleNormal ( double  m, double  sd  )

inline

Returns a random double value from the normal distribution with mean m and standard deviation sd.

Definition at line 181 of file basic.h.

randomNumber()

int ogdf::randomNumber	(	int	low,
		int	high
	)

Returns random integer between low and high (including).

Thread Safety

This functions is thread-safe.

randomSeed()

long unsigned int ogdf::randomSeed

(

)

Returns a random value suitable as initial seed for a random number engine.

Thread Safety

This functions is thread-safe.

setSeed()

void ogdf::setSeed

(

int

val

)

Sets the seed for functions like randomSeed(), randomNumber(), randomDouble().