[Maxima] precision of bfloat functions
fateman at cs.berkeley.edu
Tue Jul 7 22:23:27 CDT 2009
Sheldon Newhouse wrote:
> Is it the case that the so-called intrinsic transcendental functions
> (line exp, log, sin, etc) are accurate to the ulp in the various precisions?
They are probably good to one ulp, but maybe off slightly. Try them.
Compute in precision n and then n+2
and see if they agree to precision n.
> Thanks for any info.
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