On 9/18/06, Iñaki Murillo Arcos <inaki.murillo@(protected):
> Hello,
>
>  I don't know if the result of
>
>  acos(0.5) == pi/3
>
> is a bug or not. It looks strange to me.

However,

> all.equal(acos(0.5), pi/3)
[1] TRUE

so you may want to check the FAQ entry on comparisons involving
floating point numbers.

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