org.epiga.random

Class RandomGenerator

java.lang.Object

org.epiga.random.RandomGenerator

public class RandomGenerator
extends java.lang.Object

Singleton for the random number generator. It is highly recommended to use a better RNG like Mersenne Twister.

Author:

Daniel H. Stolfi

Method Summary

Modifier and Type	Method and Description
static void	init(long seed) Initializes the RNG.
static boolean	nextBoolean() Return the next pseudorandom boolean value in the sequence.
static java.lang.Float	nextFloat() Return the next pseudorandom float value [0.0, 1.0) in the sequence.
static int	nextInt(int bound) Return the next pseudorandom integer value [0, bound) in the sequence.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

init

public static void init(long seed)

Initializes the RNG.

Parameters:

seed - the seed for the RNG

nextFloat

public static java.lang.Float nextFloat()

Return the next pseudorandom float value [0.0, 1.0) in the sequence.

Returns:

a pseudorandom float value

nextInt

public static int nextInt(int bound)

Return the next pseudorandom integer value [0, bound) in the sequence.

Parameters:

bound - the upper bound

Returns:

a pseudorandom int value

nextBoolean

public static boolean nextBoolean()

Return the next pseudorandom boolean value in the sequence.

Returns:

a pseudorandom boolean value