[SciPy-dev] tanh(j*pi/2)

[David Goldsmith]

--- On Tue, 6/9/09, Robert Kern <robert.kern at gmail.com> wrote:

> Umm, explaining the phenomenon necessarily entails showing
> examples of
> the library functions it applies to. This particular

Good, we're on the same page. :-)

> phenomenon is
> *about* how the standard, furnished mathematical functions
> behave,
> nothing else. But I don't think a full, explicit list is

"Nothing else"?  It doesn't apply to user-written, rational functions and algorithms that may divide by small-modulus numbers that should theoretically be zero?

> necessary or
> desirable. "Transcendental functions" plus a few notable
> examples
> should cover it.

OK, sounds good.

DG