[R] division by zero

ripley@stats.ox.ac.uk ripley at stats.ox.ac.uk
Tue Aug 13 08:42:32 CEST 2002

On Mon, 12 Aug 2002, Andrew Schuh wrote:

> Why does 1/0 return Inf?  Shouldn't this be returning NaN, NA, or something
> similar?

It's as defined in the IEC60559 standard for computer arithmetic, to shich
your computer's FPU is apparently complying.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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