[cfp-interest 3480] Re: Range error conditions for atan2 and atan2pi

[Damian McGuckin]

On Thu, 29 May 2025, Damian McGuckin wrote:

> On Wed, 28 May 2025, Damian McGuckin wrote:
>
>>>  ... occurs if both x is positive and also nonzero y/x is too close to
>>>  zero
>
> Given that 5.3.5.3.3 defines a subnormal number indepedent of ISO 60559 
> support, should we say
>
> 	... and also y/x is subnormal.
>
> The concept of "nonzero BLOB is too close to zero" only exists in Section 7
> 18 times for the trigonometric, exponent and logarithmic routines.

Not quite in the *pi() trigonometric routines.  Silly me.

Need to think about this a bit more.

Apologies for the noise - Damian