presto-main/src/main/java/io/prestosql/operator/aggregation/RealRegressionAggregation.java/RealRegressionAggregation/input
class RealRegressionAggregation:    @InputFunction
    public static void input(@AggregationState RegressionState state, @SqlType(StandardTypes.REAL) long dependentValue, @SqlType(StandardTypes.REAL) long independentValue)
    {
        DoubleRegressionAggregation.input(state, intBitsToFloat((int) dependentValue), intBitsToFloat((int) independentValue));
    }