[GHC] #4383: Uncanonical display of Double

[GHC]

#4383: Uncanonical display of Double
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    Reporter:  daniel.is.fischer  |       Owner:                             
        Type:  bug                |      Status:  new                        
    Priority:  normal             |   Component:  libraries/base             
     Version:  6.12.3             |    Keywords:  Double, show               
    Testcase:                     |   Blockedby:                             
          Os:  Unknown/Multiple   |    Blocking:                             
Architecture:  Unknown/Multiple   |     Failure:  Incorrect result at runtime
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 {{{
 Prelude> 0.5 ^ 1030
 0.8691694759794e-310
 }}}
 Should of course be 8.69...e-311, just to have it on record for now.

 I'll take a look at the showing code one of the next days.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4383>
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