[GHC] #7034: reading a large double results in zero with ghc-7.4.2

GHC cvs-ghc at haskell.org
Fri Jun 29 16:11:17 CEST 2012


#7034: reading a large double results in zero with ghc-7.4.2
------------------------------+---------------------------------------------
 Reporter:  maeder            |          Owner:                  
     Type:  bug               |         Status:  new             
 Priority:  normal            |      Component:  Compiler        
  Version:  7.4.2             |       Keywords:                  
       Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
  Failure:  None/Unknown      |       Testcase:                  
Blockedby:                    |       Blocking:                  
  Related:                    |  
------------------------------+---------------------------------------------

Comment(by maeder):

 It seems that the exponent is parsed as Int without checking overflow

 {{{
 Prelude> 100000000000000000000 :: Int
 1661992960
 Prelude> 1000000000000000000000 :: Int
 -559939584
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7034#comment:1>
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