[Haskell-cafe] Confused about logBase

Steve Schafer steve at fenestra.com
Fri Aug 26 02:16:19 UTC 2016

On Thu, 25 Aug 2016 21:56:01 -0400, you wrote:

>Which is why CPUs have natural log as a built-in FP operation.

That's not quite true, as far as I know. The FPU log instructions (FYL2X
and FYL2XP1) use base 2, but the FPU also provides FLDLN2 and FLDLG2
constant-loading instructions to allow for easy conversion to natural
and base-10 logs, respectively.

-Steve Schafer 

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