On Thu, Mar 30, 2006 at 01:46:20PM -0500, linux-os (Dick Johnson) wrote:
> Yeah. The correct word was irrational, which is its definition. The
> point was that one can do a lot of very accurate work on real numbers
> without using the FP unit and the decimal system.
As long as you don't use sin/cos (oops, no 3D, no polar coordinates,
no FFT), sqrt (oops no lenghts), pi (oops no non-polygonal surfaces)
or ln/exp (oops, a lot of things are gone there).
Working with rationals is not that realistic nowadays except in things
like mathematica, maple and friends. Fixed-point though is still very
realistics, it's just a different precision/scale tradeoff than fp,
and one you control.
OG.
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