Numeric.SGD.LogSigned

Module provides data type for signed log-domain calculations.

Documentation

data LogSigned

Signed real value in the logarithmic domain.

Constructors

LogSigned

Fields

• pos :: !LogFloat

  Positive component

• neg :: !LogFloat

  Negative component

Instances

Eq LogSigned

Defined in Numeric.SGD.LogSigned

Methods

(==) :: LogSigned -> LogSigned -> Bool

(/=) :: LogSigned -> LogSigned -> Bool

Num LogSigned

Defined in Numeric.SGD.LogSigned

Methods

(+) :: LogSigned -> LogSigned -> LogSigned

(-) :: LogSigned -> LogSigned -> LogSigned

(*) :: LogSigned -> LogSigned -> LogSigned

negate :: LogSigned -> LogSigned

abs :: LogSigned -> LogSigned

signum :: LogSigned -> LogSigned

fromInteger :: Integer -> LogSigned

Ord LogSigned

Defined in Numeric.SGD.LogSigned

Methods

compare :: LogSigned -> LogSigned -> Ordering

(<) :: LogSigned -> LogSigned -> Bool

(<=) :: LogSigned -> LogSigned -> Bool

(>) :: LogSigned -> LogSigned -> Bool

(>=) :: LogSigned -> LogSigned -> Bool

max :: LogSigned -> LogSigned -> LogSigned

min :: LogSigned -> LogSigned -> LogSigned

Show LogSigned

Defined in Numeric.SGD.LogSigned

Methods

showsPrec :: Int -> LogSigned -> ShowS

show :: LogSigned -> String

showList :: [LogSigned] -> ShowS

NFData LogSigned

Defined in Numeric.SGD.LogSigned

Methods

rnf :: LogSigned -> ()

logSigned :: Double -> LogSigned

Smart LogSigned constructor.

fromPos :: LogFloat -> LogSigned

Make LogSigned from a positive, log-domain number.

fromNeg :: LogFloat -> LogSigned

Make LogSigned from a negative, log-domain number.

toNorm :: LogSigned -> Double

Shift LogSigned to a normal domain.

toLogFloat :: LogSigned -> Either LogFloat LogFloat

Change the LogSigned to either negative Left LogFloat or positive Right LogFloat.