presto-main/src/main/java/io/prestosql/operator/scalar/MathFunctions.java/MathFunctions/sin
class MathFunctions:    @Description("sine")
    @ScalarFunction
    @SqlType(StandardTypes.DOUBLE)
    public static double sin(@SqlType(StandardTypes.DOUBLE) double num)
    {
        return Math.sin(num);
    }