[Haskell-cafe] exp implementation

[Brandon Allbery]

On Thu, Apr 11, 2013 at 1:38 AM, Christopher Howard <
christopher.howard at frigidcode.com> wrote:

> Hi. For my own learning, I wanted to see how the exp function is
> implemented in GHC. I have GHC 7.4.1 source code open, but I'm having
> trouble figuring out which file the actual function definition is in. I see
>
>  expFloat    (F# x) = F# (expFloat# x)
>

expFloat# is likely a primop; good luck.... Primops aka primitive
operations are generally implemented in the compiler backend as assembly
language or Cmm code. Untangling that part of ghc makes my head swim. >.>

-- 
brandon s allbery kf8nh                               sine nomine associates
allbery.b at gmail.com                                  ballbery at sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net
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