public WeibullDistr(Random seed,double alpha,double beta){
  this(alpha,beta);
  numGen.reseedRandomGenerator(seed.nextLong());
}

public WeibullDistr ( Random seed , double alpha , double beta ) { this ( alpha , beta ) ; numGen . reseedRandomGenerator ( seed . nextLong ( ) ) ; }
instantiates a new weibull pseudo random number generator .
