Julia: Rounding functions

Julia provide following functions to round a real number to nearest integer.

Method	Description
round(x)	round x to the nearest integer.
round(T, x)	round x to the nearest integer of type T.
floor(x)	round x towards -Inf
floor(T, x)	round x towards –Inf of type T.
ceil(x)	round x towards +Inf.
ceil(T, x)	round x towards +Inf of type T.
trunc(x)	round x towards zero
trunc(T, x)	round x towards zero of type T.

julia> round(10.3)
10.0

julia> round(Int64,10.3)
10

julia> floor(10.3)
10.0

julia> floor(Int32, 10.3)
10

julia> ceil(10.3)
11.0

julia> ceil(Int16, 10.3)
11

julia> trunc(10.3)
10.0

julia> trunc(10.9)
10.0

julia> trunc(Int32, 10.9)
10

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