package Jampack;

import java.util.Random;
/**
   The rand suite generates random objects with elements
   distributed randomly on [0,1] or normally with mean zero
   and standard deviation one.

   @version Pre-alpha
   @author G. W. Stewart
*/

public class Rand{

   private static Random R = new Random();

/**
   Sets the seed for the random number generator.

   @param     seed  The seed
*/
   public static void setSeed(long seed){
      R.setSeed(seed);
   }

/**
   Generates a random uniform double.

   @return   a uniform random double
*/
   public static double ud(){
      return R.nextDouble();
   }

/**
   Generates a one-dimensional array of
   uniform random doubles.

   @param    n  The length of the array.
   @return   The array of uniform doubles.
*/
   public static double[] udary(int n){
      double d[] = new double[n];
      for (int i=0; i