Complex arg-trig functions

[Stephen Montgomery-Smith]

On 09/17/2012 05:50 PM, Stephen Montgomery-Smith wrote:

> In your tests, you should include cases where x or y is equal or close
> to 1.  These are important special cases that I think your test code is
> very unlikely to hit.  These are difficult edge cases for all the
> arc-trig functions.

And just to be sure, x or y is equal or close to -1 as well.