    {-# OPTIONS_GHC -funbox-strict-fields #-}

    -- | Internal module used to share implementation details between the
    -- family of ekg packages. DO NOT DEPEND ON THIS MODULE.
    module System.Metrics.Distribution.Internal
        ( Stats(..)
        ) where

    import Data.Int (Int64)

    -- | Distribution statistics
    data Stats = Stats
        { Stats -> Double
    mean     :: !Double  -- ^ Sample mean
        , Stats -> Double
    variance :: !Double  -- ^ Biased sample variance
        , Stats -> Int64
    count    :: !Int64   -- ^ Event count
        , Stats -> Double
    sum      :: !Double  -- ^ Sum of values
        , Stats -> Double
    min      :: !Double  -- ^ Min value seen
        , Stats -> Double
    max      :: !Double  -- ^ Max value seen
        } deriving (Stats -> Stats -> Bool
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