[erlang-questions] erlang float comparison

Pierpaolo Bernardi olopierpa@REDACTED
Tue May 15 12:02:51 CEST 2012

On Tue, May 15, 2012 at 11:04 AM, Angel J. Alvarez Miguel <clist@REDACTED> wrote:

> The problem can be stated as:
> Result = case Myfloat > 1.0 of
>        true -> 1.0;
>        false MyFloat
>        end
> ...
> ...
> math:acos(Result).
> after that  we came across some values that fail to pass the test > 1.0 but are seen
> as greater to the math:acos function rendering a bad arithmetic expression error

If true, this indicates a serious bug.  You should report such cases.

I am somewhat skeptical that such a gross bug would lie undetected so
far in erlang, so please supply an actual reproducible example.


More information about the erlang-questions mailing list