presto-main/src/main/java/io/prestosql/operator/scalar/VarbinaryFunctions.java/VarbinaryFunctions/fromIEEE754Binary64
class VarbinaryFunctions:    @Description("decode the 64-bit big-endian binary in IEEE 754 double-precision floating-point format")
    @ScalarFunction("from_ieee754_64")
    @SqlType(StandardTypes.DOUBLE)
    public static double fromIEEE754Binary64(@SqlType(StandardTypes.VARBINARY) Slice slice)
    {
        checkCondition(slice.length() == Double.BYTES, INVALID_FUNCTION_ARGUMENT, "Input floating-point value must be exactly 8 bytes long");
        return Double.longBitsToDouble(Long.reverseBytes(slice.getLong(0)));
    }