Package study.math.cmath

Source Code of study.math.cmath.TestRNG

package study.math.cmath;

import java.util.ArrayList;
import java.util.Arrays;

import org.apache.commons.math3.random.RandomDataImpl;
import org.apache.commons.math3.random.RandomGenerator;
import org.apache.commons.math3.random.Well44497b;

public class TestRNG {
  public static void main(String[] args){
    RandomGenerator rg = new Well44497b(29);
    RandomDataImpl rng = new RandomDataImpl(rg);
    int numberOfElements = 12870;
    int upper = numberOfElements - 1;
    int[] freq = new int[numberOfElements];
    Arrays.fill(freq, 0);
    int averageFreq = 1000;
    for(int i=0; i<numberOfElements; ++i){
      for(int j=0; j<averageFreq; ++j){
        freq[rng.nextInt(0, upper)]++;
      }
    }
    Arrays.sort(freq);
    ArrayList<Frequency> hist = new ArrayList<Frequency>(100);
    Frequency currentFrequency = new Frequency(-1);
    for(int i=0; i<numberOfElements; ++i){
      if(freq[i]!=currentFrequency.value){
        currentFrequency = new Frequency(freq[i]);
        hist.add(currentFrequency);
      }else{
        currentFrequency.freq++;
      }
    }
    int size = hist.size();
    for(int i=0; i<size; ++i){
      System.out.println(hist.get(i));
    }
  }
}
TOP

Related Classes of study.math.cmath.TestRNG

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.