[Haskell-cafe] Convert Double to Data.Fixed
ekirpichov at gmail.com
Mon Dec 26 16:55:38 CET 2011
How do I most efficiently convert a Double to a Data.Fixed?
I'm asking because I want to convert fractional seconds to the seconds
field of Data.Time.TimeOfDay, which is Pico = Data.Fixed.Fixed E12.
For now the fastest thing I came up with was fromIntegral (round
(sec*1000000)) / fromIntegral 1000000, but this frankly sucks and is rather
slow, there must be a better way.
Principal Engineer, Mirantis Inc. http://www.mirantis.com/
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