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From: Stefan Seefeld (seefeld_at_[hidden])
Date: 2005-10-08 19:07:46

Marcin Kalicinski wrote:
>>It certainly makes life easier, but it also has its cost. Some CPUs for
>>example don't have a FPU, making floating-point compuation expensive.
>>It might be a good idea to use an integral type (with a small unit,
>>such as you suggest above) at least in those cases.
> I doubt there will be much need for a GUI for these CPUs. Anyway, the amount
> of floating point computation involved would be tiny, so most probably
> software emulation of floating point would be just fine.

You bet !
We were porting the Fresco display server to PDAs such as the Sharp Zaurus
or the Compaq iPaq (platforms which are targetted by the Qt toolkit, for example).
Neither has/had a floating point unit, and as a result, rendering was quite slow.
(Well, Fresco has full 3D support, so all coordinate transformations were actual
3x4 FP multiplications.)
I can't see any reason why one would not expect boost::gui to run on these platforms.


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