How to use

setSeed

method

in

org.apache.commons.math3.random.MersenneTwister

public MersenneTwisterFactory(long seed) {
  random.setSeed(seed);
}

/** Reinitialize the generator as if just built with the given long seed.
 * <p>The state of the generator is exactly the same as a new
 * generator built with the same seed.</p>
 * @param seed the initial seed (64 bits integer)
 */
@Override
public void setSeed(long seed) {
  setSeed(new int[] { (int) (seed >>> 32), (int) (seed & 0xffffffffl) });
}

/** Creates a new random number generator using an int array seed.
 * @param seed the initial seed (32 bits integers array), if null
 * the seed of the generator will be related to the current time
 */
public MersenneTwister(int[] seed) {
  mt = new int[N];
  setSeed(seed);
}

/** Creates a new random number generator using a single long seed.
 * @param seed the initial seed (64 bits integer)
 */
public MersenneTwister(long seed) {
  mt = new int[N];
  setSeed(seed);
}

/** Creates a new random number generator using a single int seed.
 * @param seed the initial seed (32 bits integer)
 */
public MersenneTwister(int seed) {
  mt = new int[N];
  setSeed(seed);
}

  @Override
  public MersenneTwister generator() {
    MersenneTwister random = new MersenneTwister();
    random.setSeed(seed);
    return random;
  }
}

/** Creates a new random number generator.
 * <p>The instance is initialized using the current time plus the
 * system identity hash code of this instance as the seed.</p>
 */
public MersenneTwister() {
  mt = new int[N];
  setSeed(System.currentTimeMillis() + System.identityHashCode(this));
}

  setSeed(System.currentTimeMillis() + System.identityHashCode(this));
  return;
setSeed(19650218);
int i = 1;
int j = 0;

/** Creates a new random number generator using an int array seed.
 * @param seed the initial seed (32 bits integers array), if null
 * the seed of the generator will be related to the current time
 */
public MersenneTwister(int[] seed) {
  mt = new int[N];
  setSeed(seed);
}

/** Reinitialize the generator as if just built with the given long seed.
 * <p>The state of the generator is exactly the same as a new
 * generator built with the same seed.</p>
 * @param seed the initial seed (64 bits integer)
 */
@Override
public void setSeed(long seed) {
  setSeed(new int[] { (int) (seed >>> 32), (int) (seed & 0xffffffffl) });
}

@Override
public void setSeed(long seed) {
 this.seed = seed ;
 rnd.setSeed(seed);
}

/** Creates a new random number generator using a single int seed.
 * @param seed the initial seed (32 bits integer)
 */
public MersenneTwister(int seed) {
  mt = new int[N];
  setSeed(seed);
}

/** Creates a new random number generator using a single int seed.
 * @param seed the initial seed (32 bits integer)
 */
public MersenneTwister(int seed) {
  mt = new int[N];
  setSeed(seed);
}

/** Creates a new random number generator using a single long seed.
 * @param seed the initial seed (64 bits integer)
 */
public MersenneTwister(long seed) {
  mt = new int[N];
  setSeed(seed);
}

/** Reinitialize the generator as if just built with the given long seed.
 * <p>The state of the generator is exactly the same as a new
 * generator built with the same seed.</p>
 * @param seed the initial seed (64 bits integer)
 */
@Override
public void setSeed(long seed) {
  setSeed(new int[] { (int) (seed >>> 32), (int) (seed & 0xffffffffl) });
}

/** Creates a new random number generator using a single long seed.
 * @param seed the initial seed (64 bits integer)
 */
public MersenneTwister(long seed) {
  mt = new int[N];
  setSeed(seed);
}

/** Creates a new random number generator.
 * <p>The instance is initialized using the current time plus the
 * system identity hash code of this instance as the seed.</p>
 */
public MersenneTwister() {
  mt = new int[N];
  setSeed(System.currentTimeMillis() + System.identityHashCode(this));
}

  @Override
  public MersenneTwister generator() {
    MersenneTwister random = new MersenneTwister();
    random.setSeed(seed);
    return random;
  }
}

  @Override
  public MersenneTwister generator() {
    MersenneTwister random = new MersenneTwister();
    random.setSeed(seed);
    return random;
  }
}

  @Override
  public MersenneTwister generator() {
    MersenneTwister random = new MersenneTwister();
    random.setSeed(seed);
    return random;
  }
}