Warp wrote:
>   I have a comprehensive regression testbed program which runs over a hundred
> tests on the library. It can run it with all the supported data types or
> with just one. It uses 80 mantissa bits for the MPFR floating point values
> (which is about 24 significant digits of accuracy, compared to the about 15
> of double-precision floating point numbers; not much larger, but the speed
> of the MPFR library decreases as more mantissa bits are used).
> 
>   Running all the current tests for the 'double' in my computer type takes
> about 1.7 seconds, while running the same tests for the 80-bits-mantissa
> MPFR type takes about 5 minutes.

Not sure if this is delving into the same direction as those GPU-POV 
threads, but is there an effective way to split off and only use the 
arbitrary-precision math when it falls outside the hardware capability?

--
Tim Cook
http://empyrean.freesitespace.net

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