Example usage for org.apache.commons.math3.random UniformRandomGenerator nextNormalizedDouble

Introduction

In this page you can find the example usage for org.apache.commons.math3.random UniformRandomGenerator nextNormalizedDouble.

Prototype

public double nextNormalizedDouble() 

Source Link

Document

Generate a random scalar with null mean and unit standard deviation.

Usage

From source file:org.briljantframework.benchmark.DataFrameSortPerformance.java

@Setup(Level.Iteration)
public void setupDataFrame() {
    DataFrame.Builder builder = new MixedDataFrame.Builder();
    UniformRandomGenerator gen = new UniformRandomGenerator(new Well1024a());
    for (int i = 0; i < 1000_000; i++) {
        builder.setRecord(String.valueOf(i), Vector.of(gen.nextNormalizedDouble(), i, 20.0, 30.0));
    }//  w  w  w  .  j ava2  s.  c o m
    builder.setColumnIndex("First", "Second", "Third", "Fourth");
    dataFrame = builder.build();
}

---

From source file:org.briljantframework.benchmark.VectorSortPerformance.java

@Setup(Level.Iteration)
public void setupDataFrame() {
    Vector.Builder builder = Vector.Builder.of(Double.class);
    UniformRandomGenerator gen = new UniformRandomGenerator(new Well1024a());
    for (int i = 0; i < 1000_000; i++) {
        builder.add(gen.nextNormalizedDouble());
    }/* ww w. j a  va2s .com*/
    vector = builder.build();
}

---