[erlang-questions] Inf, NaN, and -Inf
Tue Feb 28 17:40:13 CET 2012
Peer Stritzinger wrote:
> Is the runtime somehow built around assumptions that Inf and NaN never
> occur as values?
Inf and NaN are not valid terms and does instead result in badarith
> Could a NIF be build to grandfather the forbidden values in?
That is not supported, and will probably lead to badarith exceptions or
maybe even other strange behavior depending on what you do with the
To introduce inf and -inf as valid terms, one would have to deal with
the problem of backward compatibility.
/Sverker, Erlang/OTP Ericsson
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