Re: how to detect division by zero?

[Roland Orre]

On Tue, 2004-01-20 at 17:02, John W. Eaton wrote:
> On 20-Jan-2004, Roland Orre <address@hidden> wrote:
> NaN values never compare equal.  To check for them, you need isnan.  I
> helped to write a patch for this some time ago.  Doesn't guile 1.7 (or
> some newer than 1.6 version) have isinf, isnan, and other IEEE
> floating point functions and values built in?

Yes, you are right. I had missed that. There are e.g. nan? and inf?

/Roland