presto-main/src/main/java/io/prestosql/operator/aggregation/RealGeometricMeanAggregations.java/RealGeometricMeanAggregations/output
class RealGeometricMeanAggregations:    @OutputFunction(StandardTypes.REAL)
    public static void output(@AggregationState LongAndDoubleState state, BlockBuilder out)
    {
        long count = state.getLong();
        if (count == 0) {
            out.appendNull();
        }
        else {
            REAL.writeLong(out, floatToRawIntBits((float) Math.exp(state.getDouble() / count)));
        }
    }