Numeric.QD.DoubleDouble

High-level interface to libqd for double-double numbers.

Documentation

data DoubleDouble

DoubleDouble a b represents the unevaluated sum a + b.

Constructors

DoubleDouble !CDouble !CDouble

Instances

Eq DoubleDouble

Floating DoubleDouble

Fractional DoubleDouble

Num DoubleDouble

Ord DoubleDouble

Read DoubleDouble

Real DoubleDouble

RealFrac DoubleDouble

Show DoubleDouble

Typeable DoubleDouble

Storable DoubleDouble

BinDecode DoubleDouble

DecimalFormat DoubleDouble

toDouble :: DoubleDouble -> Double

Extract the first component and convert to Double.

fromDouble :: Double -> DoubleDouble

Convert from Double by pairing with 0.

sqr :: DoubleDouble -> DoubleDouble

Square a DoubleDouble number.