[R] R: over/under flow

[Douglas Bates]

On 6/20/05, William H. Asquith <wasquith at austin.rr.com> wrote:
> I am porting some FORTRAN to R in which an Inf triggers an if().  The
> trigger is infinite on exp().  What is the canonical R style of
> determining OVER when exp(OVER)== Inf?  The code structure that I am
> porting is best left intact--so I need to query R somehow to the value
> of OFL that causes exp(OFL) to equal Inf.
> 
> On my system,
> exp(710) is first to equal Inf.

log(.Machine$double.xmax)