[Haskell-cafe] segfault on fromIntegral (floor $ sqrt (-123.123)) == -123.123

[Brandon Allbery]

On Mon, Feb 24, 2014 at 2:46 PM, Erik Rantapaa <erantapaa at gmail.com> wrote:

> I'm getting a segfault on this expression entered into ghci:
>
> GHCi, version 7.6.3: http://www.haskell.org/ghc/  :? for help
> Loading package ghc-prim ... linking ... done.
> Loading package integer-gmp ... linking ... done.
> Loading package base ... linking ... done.
> Prelude> fromIntegral (floor $ sqrt (-123.123)) == -123.123
> Segmentation fault: 11
>
> I'm running the 32-bit version of the Haskell Platform on OSX.
>

Known bug with floating point on OS X. Not sure what the workaround is, but
known to be fixed in 7.8.1 (which is in release candidate stage).

-- 
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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