public SuperBit(final int d){
  this(d,d,DEFAULT_CODE_LENGTH / d);
}

public SuperBit ( final int d ) { this ( d , d , DEFAULT_CODE_LENGTH / d ) ; }
initialize superbit algorithm . with code length k = 10000 the k vectors are orthogonalized in d batches of 10000 / d vectors the resulting mean error is 0 . 01
