presto-orc/src/main/java/io/prestosql/orc/metadata/statistics/DoubleStatisticsBuilder.java/DoubleStatisticsBuilder/addBlock
class DoubleStatisticsBuilder:    @Override
    public void addBlock(Type type, Block block)
    {
        for (int position = 0; position < block.getPositionCount(); position++) {
            if (!block.isNull(position)) {
                double value;
                if (type == RealType.REAL) {
                    value = Float.intBitsToFloat((int) type.getLong(block, position));
                }
                else {
                    value = type.getDouble(block, position);
                }
                addValue(value);
            }
        }
    }