private int bucketLowInterval(final int index) {
    if (index <= num_linear_buckets) {
      return index * interval;
    } else {
      return cutoff + (1 << (index - num_linear_buckets + exp_bucket_shift));
    }
  }
private int bucketLowInterval ( final int index ) { if ( index <= num_linear_buckets ) { return index * interval ; } else { return cutoff + ( 1 << ( index - num_linear_buckets + exp_bucket_shift ) ) ; } }
Returns the low interval (inclusive) of the given bucket.