[PATCH] Fix math functions triggering invalid exceptions

[David Miller]

From: "Ryan S. Arnold" <ryan.arnold@gmail.com>
Date: Wed, 15 Feb 2012 15:35:28 -0600

> Please hold up on checking this in.  We'd like some time to
> investigate the performance implications of these additional
> comparisons which very well may be unnecessary on Power.

Come on, it's a bug.  If there are performance implications you
are interested in, you can deal with those as follow-on changes.

Correctness trumps performance.