Portability | portable |
---|---|
Stability | provisional |
Maintainer | Edward Kmett <ekmett@gmail.com> |
Safe Haskell | Safe-Inferred |
Testing for values near zero
Documentation
class Num a => Epsilon a whereSource
Provides a fairly subjective test to see if a quantity is near zero.
>>>
nearZero (1e-11 :: Double)
False
>>>
nearZero (1e-17 :: Double)
True
>>>
nearZero (1e-5 :: Float)
False
>>>
nearZero (1e-7 :: Float)
True
Epsilon Double |
|
Epsilon Float |
|
(Num (V0 a), Epsilon a) => Epsilon (V0 a) | |
(Num (V2 a), Epsilon a) => Epsilon (V2 a) | |
(Num (V3 a), Epsilon a) => Epsilon (V3 a) | |
(Num (V4 a), Epsilon a) => Epsilon (V4 a) | |
(Num (Plucker a), Epsilon a) => Epsilon (Plucker a) | |
(Num (Quaternion a), RealFloat a, Epsilon a) => Epsilon (Quaternion a) |