/* -------------------------------------------------------- *
 * Aaron Morris                                             *
 * CS567                                                    *
 * Object-Oriented Event-Driven Simulation                  *
 *                                                          *
 * Random Number Generating class                           *
 * -------------------------------------------------------- */
//package datasend;
import java.awt.*;
import java.util.*;

public class RandNum {

	protected double seed;	      // seed used to generated random number
        protected double a,m,q,r;     // Params in initializing Random Generator
        protected double h,l,t,t1,t2; // Params in generating Random Number
        protected Random rands;       // Java Random Number Generator

	// Constructor, used to initialize the random number generator
	public RandNum()
    	{
              int x;

              seed = 37584381;
	      a = 16807;
	      m = 2147483647;
	      q = 127773;
	      r = 2836;

              // Java Random Number Generator for getJavaInt method
              this.rands = new Random();
              for (int i = 0; i < 5000; i++)
                  x = rands.nextInt(100);
    	}

        // Generate next Random Number
        public double genRandom()
        {
              h = seed / q;
    	      l = seed % q;
	      t1 = a * l;
	      t2 = r * h;
	      t = t1 - t2;
	      if (t < 0) t = t + m;
	      seed = t;
	      return t/m;
        }

        // Generate next Random Int with Java Random Num Generator
        public int getJavaInt(int Number)
        {
            return this.rands.nextInt(Number);
        }
}