Re: Needed: log1p from gnulib

2011-02-15 Thread Ludovic Courtès
Hi Mark, Mark H Weaver writes: > I apologize for asking you again so soon, but could you possibly import > log1p from gnulib? [...] > If it's easy to import a couple more modules while you're at it, then > round and isfinite would also be useful. Done, except for ‘isfinite’, which is currentl

Needed: log1p from gnulib

2011-02-15 Thread Mark H Weaver
Hi Ludo, I apologize for asking you again so soon, but could you possibly import log1p from gnulib? I'm trying to implement log for exact rationals, and I have a serious problem with catastrophic cancellation if the numerator and denominator are close, for example (/ big (1+ big)). The only way