presto-orc/src/main/java/io/prestosql/orc/metadata/statistics/DoubleStatistics.java/DoubleStatistics/addHash
class DoubleStatistics:    @Override
    public void addHash(StatisticsHasher hasher)
    {
        hasher.putOptionalDouble(hasMinimum, minimum)
                .putOptionalDouble(hasMaximum, maximum);
    }