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Re: Floating-point formats and standards



Regarding my notes on IEEE 754 and its draft revision,
Shiro Kawai wrote:
> That's very informative summary.

Thanks!

> Just a note.  Currently, 16-bit binary floating-point numbers (called
> half floats) getting wider use in images; graphics processors directly
> deals with them, and ILM's OpenEXR image format stores values in them.

Ah, I didn't know that. Thanks!

> It may be too early to consider them in this srfi, but I can imagine
> I'd like to have uniform arrays of binary16 some day.

I suspect that's why 754R has added them to their draft. (There's a note
that they debated whether it should have a 4-bit or 5-bit exponent, so
the format might not be consistent from system to system yet.)
-- 
Bradd W. Szonye
http://www.szonye.com/bradd