[GHC] #4867: ghci displays negative floats incorrectly (was: Incorrect result from trig functions)

[GHC]

#4867: ghci displays negative floats incorrectly (was: Incorrect result from trig
functions)
-------------------------------+--------------------------------------------
    Reporter:  gwright         |        Owner:  gwright                    
        Type:  bug             |       Status:  new                        
    Priority:  high            |    Milestone:  7.0.2                      
   Component:  GHCi            |      Version:  7.0.1                      
    Keywords:                  |     Testcase:                             
   Blockedby:                  |   Difficulty:                             
          Os:  MacOS X         |     Blocking:                             
Architecture:  x86_64 (amd64)  |      Failure:  Incorrect result at runtime
-------------------------------+--------------------------------------------

Comment(by altaic):

 I'm attaching a patch that cleans up float showing so there's no
 possibility of displaying duplicate negatives. It fixes the main issue of
 this ticket, but it does not address the underlying issue of the failed
 negation.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4867#comment:36>
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