Hi Murray, I guess I'm using Doubles in my project so I hadn't seen this -- I'll give it a try as soon as I can! I assume you saw it already but I had some luck getting past illegal instruction: 4 as semi-chronicled in here https://github.com/ghc-ios/ghc-ios-scripts/issues/4 Best Luke On Sun, Jul 13, 2014 at 5:24 PM, Murray Campbell wrote:

Hi all,

I've been noticing some strange Float behaviour (not rounding errors but totally erroneous values for non-pathological values).

It seems to be a manifestation of GHC ticket #9125 which was reported from a Raspberry Pi (arm) version.

A quick example:

...

print (29.0 :: Float)

gives

...

2109.0

There is more detail at https://ghc.haskell.org/trac/ghc/ticket/9125#comment:1

Has anyone else seen this? I'm running a compiled-from-source-tarball 7.8.3 as I couldn't get past the dreaded 'illegal instruction:4' binary installation bug. Simulator and device behave the same.

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