Yes, that is one reason why I tend to use BigDecimal instead of float
or double.  The thing that seems wrong to me is (not (== 1 1.0M)),
since these are both exact representations of the value one and the
doc for == says that it tests for "equivalent value (type-
independent)".

On Apr 11, 10:00 pm, Cedric Greevey <cgree...@gmail.com> wrote:
> IME, it's almost never useful to perform equality tests on floating
> point values. Generally you want to know if they're near enough to one
> another without necessarily being exactly equal. For that something
> like (defn f= [f1 f2 threshold] (< (Math/abs (- f1 f2)) threshold)) is
> probably the sort of thing you want.

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