On Fri, Apr 8, 2011 at 3:48 PM, Warren Harris <[email protected]> wrote: > I'm trying out GHC-7.0.3-x86_64 for Mac OS X and see what seems to be a bug > in System.Time.diffClockTimes. The TimeDiff tdPicosec field returns values > that seem to jump around erratically: > > test = do > startTime <- System.Time.getClockTime > endTime <- System.Time.getClockTime > let dt = diffClockTimes endTime startTime > putStrLn $ show dt > > Prelude Test> test > TimeDiff {tdYear = 0, tdMonth = 0, tdDay = 0, tdHour = 0, tdMin = 0, tdSec = > 0, tdPicosec = 0} > Prelude Test> test > TimeDiff {tdYear = 0, tdMonth = 0, tdDay = 0, tdHour = 0, tdMin = 0, tdSec = > 0, tdPicosec = 3000000} > Prelude Test> test > TimeDiff {tdYear = 0, tdMonth = 0, tdDay = 0, tdHour = 0, tdMin = 0, tdSec = > 0, tdPicosec = -3329012246138323150000000} > Prelude Test> test > TimeDiff {tdYear = 0, tdMonth = 0, tdDay = 0, tdHour = 0, tdMin = 0, tdSec = > 0, tdPicosec = 3000000} > Prelude Test> test > TimeDiff {tdYear = 0, tdMonth = 0, tdDay = 0, tdHour = 0, tdMin = 0, tdSec = > 0, tdPicosec = -3329012246138322851000000} > Prelude Test> >
There's already a ticket: http://hackage.haskell.org/trac/ghc/ticket/4970 It is specific to 64bit on Mac OS. I noticed it myself a bit ago. Please add yourself to the CC list on the ticket if its affecting you. Antoine _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
