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From: John Maddock (john_at_[hidden])
Date: 2008-04-30 04:43:00

Johan Råde wrote:
> How did you implement these functions?
> Are they wrappers around functions provided by the compiler,
> or do you do some bit-twidling?

The current implementation uses only basic arithmetic operations and
but but there's scope to forward the implementations to native nextafter
implementations where available. So far I've only done this for msvc
doubles by way of an experiment / sanity check. There's no native or
optimised version of edit_distance - I'm assuming this will used mostly in
testing situations where out and out performance isn't so critical - which
is just as well because the logic is rather complex :-(

Feel free to work your bit twiddling magic on these :-)

Regards, John.

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