Package org.apache.sysds.runtime.util

Class PhiloxNormalCBPRNGenerator

java.lang.Object

org.apache.sysds.runtime.util.CounterBasedPRNGenerator

org.apache.sysds.runtime.util.PhiloxNormalCBPRNGenerator

All Implemented Interfaces:

IPRNGenerator

public class PhiloxNormalCBPRNGenerator
extends CounterBasedPRNGenerator

Constructor Summary

Constructors

Constructor	Description
PhiloxNormalCBPRNGenerator()

Method Summary

Modifier and Type	Method	Description
double[]	getDoubles(long[] ctr, int size)	Generate a sequence of random doubles using the Philox4x64 counter-based PRNG.
void	setSeed(long sd)

Methods inherited from class java.lang.Object

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

Constructor Details

PhiloxNormalCBPRNGenerator

public PhiloxNormalCBPRNGenerator()

Method Details

setSeed

public void setSeed(long sd)

Specified by:

setSeed in interface IPRNGenerator

Specified by:

setSeed in class CounterBasedPRNGenerator

getDoubles

public double[] getDoubles(long[] ctr,
 int size)

Generate a sequence of random doubles using the Philox4x64 counter-based PRNG.

Specified by:

getDoubles in class CounterBasedPRNGenerator

Parameters:

ctr - The start counter to use for the PRNG

size - The number of doubles to generate

Returns:

An array of random doubles distributed normally with mean 0 and variance 1