what does NaN mean out of printf?

[Roy Smith]

In article <20283 at adm.BRL.MIL> Leisner.Henr at xerox.com (Marty) writes:
> What does NaN mean out of printf?

	You're on a machine which supports IEEE-754 arithmetic (for
example, a Sun, but there are many, many modern machines which fit this
description).  NaN means Not A Number.  NaN is the result of some illegal
arithmetic operation (division by zero, square root of a negative number,
etc).
-- 
Roy Smith, Public Health Research Institute
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