[R] floor()

[Berwin A Turlach]

G'day Werner,

>>>>> "WB" == Werner Bier <aliscla at yahoo.com> writes:

    >> floor((5.05-floor(5))*100)
    WB> [1] 4

    WB> I would expect 5, or am I wrong?
You are wrong. :)

Consider:

> (5.05-floor(5))*100
[1] 5
> (5.05-floor(5))*100 - 5
[1] -1.776357e-14

and read FAQ 7.31

Cheers,

        Berwin

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