[GHC] #2271: floor, ceiling, round :: Double -> Int are awesomely slow

[GHC]

#2271: floor, ceiling, round :: Double -> Int are awesomely slow
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 Reporter:  dons                       |          Owner:  dons at galois.com
     Type:  bug                        |         Status:  new            
 Priority:  normal                     |      Milestone:                 
Component:  Compiler                   |        Version:  6.8.2          
 Severity:  normal                     |     Resolution:                 
 Keywords:  performance, math, double  |     Difficulty:  Unknown        
 Testcase:                             |   Architecture:  Unknown        
       Os:  Unknown                    |  
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Changes (by simonpj):

  * difficulty:  => Unknown

Comment:

 Thanks for following this up, Don.  But can you be more specific?
  * Do you have a clear idea about what exactly changes are required?  Or
 are there alternatives to consider?
  * Can you make concrete proposals?
  * Or, if it's clear what to do, can you offer a patch?

 thanks

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2271#comment:2>
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