[Haskell] for large x, log (x::Integer) :: Double

MR K P SCHUPKE k.schupke at imperial.ac.uk
Wed Jun 30 15:42:27 EDT 2004

I would think to take an accurate (depends how you define
accurate) arbitrary precision floating point is needed...
gmp 2 supports this, but does not have a log function.

The power series is the way calculators do it... you could
always write a small library of operations on pairs of Integers
to do arbitrary precision floating point, then use the power


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