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Re: Fourth Draft "Unsafe fp optimizations" project description.
- To: gcc at gcc dot gnu dot org
- Subject: Re: Fourth Draft "Unsafe fp optimizations" project description.
- From: Ross Smith <ross dot s at ihug dot co dot nz>
- Date: Mon, 13 Aug 2001 17:23:48 +1200
- Organization: Ihug
- References: <200108130340.f7D3ecd14255@penguin.transmeta.com>
Linus Torvalds wrote:
> [ ... ]
> So bundle them all up under the heading
> 3. Rearrangements whose effect is a loss of dynamic range in the
> and maybe with a few examples to show what the loss is, and what the
> range is ("a/b/c -> a/b*c potentially loses one bit of exponent range",
> "sin(x) limits the input range to values that have any accuracy left in
> the output" etc).
A little nitpick on a post I otherwise agree with: you're talking about
a loss of _domain_ values, not range. The domain of a function is the
set of legal argument values, the range is the set of possible return
Ross Smith <firstname.lastname@example.org> The Internet Group, Auckland, New Zealand
"Unix has always lurked provocatively in the background of the operating
system wars, like the Russian Army." -- Neal Stephenson