public AdaptiveHyperLogLog(int[] buckets) {
checkArgument(Numbers.isPowerOf2(buckets.length), "numberOfBuckets must be a power of 2");
estimator = makeEstimator(buckets);
}
public AdaptiveHyperLogLog(int numberOfBuckets) {
Preconditions.checkArgument(
Numbers.isPowerOf2(numberOfBuckets), "numberOfBuckets must be a power of 2");
this.estimator = new SparseEstimator(numberOfBuckets);
}
