metrics 0.3.0.1 → 0.3.0.2

raw patch · 2 files changed

+5/−5 lines, 2 filesPVP ok

version bump matches the API change (PVP)

API changes (from Hackage documentation)

Files

• metrics.cabal +1/−1
• src/Data/Metrics/Histogram/Internal.hs +4/−4

@@ -2,7 +2,7 @@ -- documentation, see http://haskell.org/cabal/users-guide/  name:                metrics-version:             0.3.0.1+version:             0.3.0.2 synopsis:            High-performance application metric tracking description:   A port of Coda Hale's excellent metrics library for the JVM

@@ -1,3 +1,4 @@+{-# LANGUAGE BangPatterns #-} -- | The pure interface for histograms. -- This module is typically not as useful as the stateful implementation -- since reservoir updates require retrieving the current time.@@ -116,11 +117,10 @@ calculateVariance c v = if c <= 1 then 0 else v / (fromIntegral c - 1)  updateVariance :: Int -> Double -> (Double, Double) -> (Double, Double)-updateVariance _ c (-1, y) = (c, 0)+updateVariance _ !c (-1, y) = (c, 0) updateVariance count c (x, y) = (l, r)   where     c' = fromIntegral count     diff = c - x-    l = x + diff / c'-    r = y + diff * (c - l)-+    !l = x + diff / c'+    !r = y + diff * (c - l)