Popularity
2.2
Stable
Activity
7.7
Declining
0
2
0
Monthly Downloads: 46
Programming language: Haskell
License: BSD 3-clause "New" or "Revised" License
Tags:
Numeric
Latest version: v0.1.0.0
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README
Hafar
Hafar is an implementation of affine arithmetic in haskell.
Building
To build the library, simply run
# stack build
or if using cabal
# cabal install --only-dependencies
# cabal build
Example
All operations with affine forms must be done inside the AFM monad.
import Numeric.Interval hiding (interval)
x1 = do
a <- newFromInterval $ 4...6
b <- newFromInterval $ 4...6
return . interval $ a - b
evalAFM x1 -- evaluates to approximately -2 ... 2
x2 = do
a <- newFromInterval $ 4...6
return . interval $ a - a
evalAFM x2 -- evaluates to approximately 0 ... 0