org.encog.mathutil.randomize.generate

Interface GenerateRandom

All Known Implementing Classes:

AbstractBoxMuller, AbstractGenerateRandom, BasicGenerateRandom, LinearCongruentialRandom, MersenneTwisterGenerateRandom, MultiplyWithCarryGenerateRandom, SecureGenerateRandom

public interface GenerateRandom

Interface that defines how random numbers are generated. Provides the means to generate both uniform and normal (gaussian) distributed random numbers.

Method Summary

Modifier and Type	Method and Description
boolean	nextBoolean()
double	nextDouble()
double	nextDouble(double high) The next random double up to a non-inclusive range.
double	nextDouble(double low, double high) The next double between low (inclusive) and high (exclusive).
float	nextFloat()
double	nextGaussian()
int	nextInt()
int	nextInt(int high) The next random int up to a non-inclusive range.
int	nextInt(int low, int high) The next int between low (inclusive) and high (exclusive).
long	nextLong()

Method Detail

nextGaussian

double nextGaussian()

Returns:

The next normally distributed random number.

nextBoolean

boolean nextBoolean()

Returns:

The next random boolean.

nextLong

long nextLong()

Returns:

The next random long.

nextFloat

float nextFloat()

Returns:

The next random floating point.

nextDouble

double nextDouble()

Returns:

The next random double.

nextDouble

double nextDouble(double high)

The next random double up to a non-inclusive range.

Parameters:

high - The highest desired value.

Returns:

The result.

nextDouble

double nextDouble(double low,
                  double high)

The next double between low (inclusive) and high (exclusive).

Parameters:

low - The inclusive low value.

high - The exclusive high value.

Returns:

The result.

nextInt

int nextInt()

Returns:

The next random integer.

nextInt

int nextInt(int high)

The next random int up to a non-inclusive range.

Parameters:

high - The highest desired value.

Returns:

The result.

nextInt

int nextInt(int low,
            int high)

The next int between low (inclusive) and high (exclusive).

Parameters:

low - The inclusive low value.

high - The exclusive high value.

Returns:

The result.