#1434: Slow conversion from Double to Int
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Reporter: g...@… | Owner:
Type: task | Status: new
Priority: normal | Milestone: 6.12 branch
Component: libraries/base | Version: 6.4.1
Keywords: rules | Difficulty: Unknown
Os: Unknown/Multiple | Testcase:
Architecture: Unknown/Multiple | Failure: Runtime performance
bug
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Comment(by isaacdupree):
Does this RULE work on 32-bit, where Int is not as big as Int64? (I'm
dubious)
"truncate/Double->Int64"
truncate = fromIntegral . double2Int :: Double -> Int64
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1434#comment:17>
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