Faster code for IEEE arithmetic.

[Geoff Keating]

Brad Lucier <lucier@math.purdue.edu> writes:

> 2.  Can floating-point arithmetic trap?  If so, can we simplify code
> so that a trap is avoided in simplified code?  If not, can more
> optimizations be applied?

This is actually two items.  One is

2a. Are there NaNs in floating-point arithmetic?

and another is

2b. Might floating-point traps be enabled?

-- 
- Geoffrey Keating <geoffk@geoffk.org>