I haven't see the native part, but it's probably only useful for two things:
1 - Doing the final scaling by a power of ten, being able to handle very
large or very small exponent values.
You could have your own lookup table for the range you need, say from
10^-20 to 10^30, and use it when the final scaling factor is within this
range. This would take just one floating point multiplication.
2 - To control the rounding behavior for this scaling.
This is a pretty expensive operation on the x86, as it involves
saving/setting/restoring the FPU's control flags. Probably not much
better on the ARM, if this is actually done.
It's important for 3D graphics (normals, intersections), but for 2D you
can probably just let it be.
-- Kostya
15.04.2011 3:47, Paul пишет:
OK, have stripped the FloatingPointParser bare, but can't run it as
the native method, parseFltImpl() is throwing an
UnsatisfiedLinkError...
Maybe a silly question, but any ideas what to do from here?
--
Kostya Vasilyev -- http://kmansoft.wordpress.com
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