Round each element of x up to the nearest integer, calling R's ceiling.
i1 : x = RObject exp 1
--error or time limit reached in conversion of output to net: type 'debugError()' to run it again; will try conversion to string
o1 = 2.71828182845905
o1 : RObject of type double
i2 : ceiling x
--error or time limit reached in conversion of output to net: type 'debugError()' to run it again; will try conversion to string
o2 = 3
o2 : RObject of type double