Class DiehardInputGenerator

java.lang.Object

org.uncommons.maths.random.DiehardInputGenerator

public final class DiehardInputGenerator
extends Object

Utility to generate an input file for the DIEHARD suite of statistical tests for random number generators.

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	INT_COUNT

Constructor Summary

Constructors

Modifier	Constructor	Description
private	DiehardInputGenerator()

Method Summary

Modifier and Type	Method	Description
static void	generateOutputFile(Random rng, File outputFile)	Generates a file of random data in a format suitable for the DIEHARD test.
static void	main(String[] args)

Methods inherited from class Object

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

Field Details

INT_COUNT

private static final int INT_COUNT

See Also:

• Constant Field Values

Constructor Details

DiehardInputGenerator

private DiehardInputGenerator()

Method Details

main

public static void main(String[] args)
                 throws Exception

Parameters:

args - The first argument is the class name of the RNG, the second is the file to use for output.

Throws:

Exception - If there are problems setting up the RNG or writing to the output file.

generateOutputFile

public static void generateOutputFile(Random rng,
 File outputFile)
                               throws IOException

Generates a file of random data in a format suitable for the DIEHARD test. DIEHARD requires 3 million 32-bit integers.

Parameters:

rng - The random number generator to use to generate the data.

outputFile - The file that the random data is written to.

Throws:

IOException - If there is a problem writing to the file.