[commit: packages/time] format-widths, improve-leapseconds, master, posix-perf, tasty, wip/travis: Added diffTimeToPicoseconds (also cleaned up picosecondsToDiffTime) (020ce40)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/time

On branches: format-widths,improve-leapseconds,master,posix-perf,tasty,wip/travis
Link       : http://git.haskell.org/packages/time.git/commitdiff/020ce40e69951849041349c0c38243e56169f572

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commit 020ce40e69951849041349c0c38243e56169f572
Author: Ashley Yakeley <ashley at yakeley.org>
Date:   Sat May 30 21:54:25 2015 -0700

    Added diffTimeToPicoseconds (also cleaned up picosecondsToDiffTime)


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020ce40e69951849041349c0c38243e56169f572
 lib/Data/Time/Clock/Scale.hs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/Data/Time/Clock/Scale.hs b/lib/Data/Time/Clock/Scale.hs
index 5838b4d..c508f7b 100644
--- a/lib/Data/Time/Clock/Scale.hs
+++ b/lib/Data/Time/Clock/Scale.hs
@@ -10,7 +10,9 @@ module Data.Time.Clock.Scale
 
     -- * Absolute intervals
     DiffTime,
-        secondsToDiffTime, picosecondsToDiffTime
+    secondsToDiffTime,
+    picosecondsToDiffTime,
+    diffTimeToPicoseconds,
 ) where
 
 import Control.DeepSeq
@@ -101,7 +103,11 @@ secondsToDiffTime = fromInteger
 
 -- | Create a 'DiffTime' from a number of picoseconds.
 picosecondsToDiffTime :: Integer -> DiffTime
-picosecondsToDiffTime x = fromRational (x % 1000000000000)
+picosecondsToDiffTime x = MkDiffTime (MkFixed x)
+
+-- | Get the number of picoseconds in a 'DiffTime'.
+diffTimeToPicoseconds :: DiffTime -> Integer
+diffTimeToPicoseconds (MkDiffTime (MkFixed x)) = x
 
 {-# RULES
 "realToFrac/DiffTime->Pico"              realToFrac = \ (MkDiffTime ps) -> ps