On Thu, Apr 1, 2010 at 7:59 PM, David Cournapeau <da...@silveregg.co.jp>wrote:
> Anne Archibald wrote: > > > > > First I guess we should check which systems don't have log1p > > This is already done - we do use the system log1p on linux (but note > that log2_1p is not standard AFAIK). I would guess few systems outside > windows don't have log1p, given that msun has an implementation, > > I see that msun uses the same series I came to. However, my rational (Pade) approximation is a lot better than their polynomial. Chuck
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