DataSketches.Quantiles.RelativeErrorQuantile.Internal.Compactor

Documentation

data ReqCompactor s

Instances

TakeSnapshot ReqCompactor

Defined in DataSketches.Quantiles.RelativeErrorQuantile.Internal.Compactor

Associated Types

type Snapshot ReqCompactor

Methods

takeSnapshot :: PrimMonad m => ReqCompactor (PrimState m) -> m (Snapshot ReqCompactor)

type Snapshot ReqCompactor

Defined in DataSketches.Quantiles.RelativeErrorQuantile.Internal.Compactor

type Snapshot ReqCompactor

mkReqCompactor :: PrimMonad m => Gen (PrimState m) -> Word8 -> RankAccuracy -> Word32 -> m (ReqCompactor (PrimState m))

data CompactorReturn s

Constructors

CompactorReturn

Fields

• crDeltaRetItems :: !Int
• crDeltaNominalSize :: !Int
• crDoubleBuffer :: !(DoubleBuffer s)

compact :: PrimMonad m => ReqCompactor (PrimState m) -> m (CompactorReturn (PrimState m))

getBuffer :: PrimMonad m => ReqCompactor (PrimState m) -> m (DoubleBuffer (PrimState m))

getCoin :: PrimMonad m => ReqCompactor (PrimState m) -> m Bool

getLgWeight :: ReqCompactor s -> Word8

getNominalCapacity :: PrimMonad m => ReqCompactor (PrimState m) -> m Int

getNumSections :: PrimMonad m => ReqCompactor (PrimState m) -> m Word8

merge

Arguments

:: (PrimMonad m, s ~ PrimState m)

=> ReqCompactor (PrimState m)

The compactor to merge into

-> ReqCompactor (PrimState m)

The compactor to merge from

-> m (ReqCompactor s)

Merge the other given compactor into this one. They both must have the same lgWeight

nearestEven

Arguments

:: Double

the given value

-> Int

the nearest even integer to the given value.

Returns the nearest even integer to the given value. Also used by test.