Copyright | (c) Conal Elliott and Andy J Gill 2008 |
---|---|
License | BSD3 |
Maintainer | conal@conal.net, andygill@ku.edu |
Stability | experimental |
Safe Haskell | Safe-Inferred |
Language | Haskell98 |
Data.VectorSpace
Description
Vector spaces
This version uses associated types instead of fundeps and requires ghc-6.10 or later
Synopsis
- module Data.AdditiveGroup
- class AdditiveGroup v => VectorSpace v where
- (^/) :: (VectorSpace v, s ~ Scalar v, Fractional s) => v -> s -> v
- (^*) :: (VectorSpace v, s ~ Scalar v) => v -> s -> v
- class (VectorSpace v, AdditiveGroup (Scalar v)) => InnerSpace v where
- lerp :: VectorSpace v => v -> v -> Scalar v -> v
- linearCombo :: VectorSpace v => [(v, Scalar v)] -> v
- magnitudeSq :: (InnerSpace v, s ~ Scalar v) => v -> s
- magnitude :: (InnerSpace v, s ~ Scalar v, Floating s) => v -> s
- normalized :: (InnerSpace v, s ~ Scalar v, Floating s) => v -> v
- project :: (InnerSpace v, s ~ Scalar v, Fractional s) => v -> v -> v
Documentation
module Data.AdditiveGroup
class AdditiveGroup v => VectorSpace v where Source #
Vector space v
.
Minimal complete definition
Nothing
Instances
VectorSpace CDouble Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace CFloat Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace CInt Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace CIntMax Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace CLLong Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace CLong Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace CSChar Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace CShort Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace Integer Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace Double Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace Float Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace Int Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
(RealFloat v, VectorSpace v) => VectorSpace (Complex v) Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
Integral a => VectorSpace (Ratio a) Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace v => VectorSpace (Maybe v) Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
(HasTrie a, VectorSpace v) => VectorSpace (a :->: v) Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
(HasTrie (Basis u), VectorSpace v) => VectorSpace (u :-* v) Source # | |||||
(HasBasis a, HasTrie (Basis a), VectorSpace u) => VectorSpace (a :> u) Source # | |||||
(VectorSpace u, s ~ Scalar u, VectorSpace v, s ~ Scalar v) => VectorSpace (u, v) Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace v => VectorSpace (a -> v) Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace a => VectorSpace (Rec0 a s) Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
(VectorSpace u, s ~ Scalar u, VectorSpace v, s ~ Scalar v, VectorSpace w, s ~ Scalar w) => VectorSpace (u, v, w) Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
(VectorSpace (f p), VectorSpace (g p), Scalar (f p) ~ Scalar (g p)) => VectorSpace ((f :*: g) p) Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
(VectorSpace u, s ~ Scalar u, VectorSpace v, s ~ Scalar v, VectorSpace w, s ~ Scalar w, VectorSpace x, s ~ Scalar x) => VectorSpace (u, v, w, x) Source # | |||||
Defined in Data.VectorSpace Associated Types
| |||||
VectorSpace (f p) => VectorSpace (M1 i c f p) Source # | |||||
Defined in Data.VectorSpace Associated Types
|
(^/) :: (VectorSpace v, s ~ Scalar v, Fractional s) => v -> s -> v infixr 7 Source #
Vector divided by scalar
(^*) :: (VectorSpace v, s ~ Scalar v) => v -> s -> v infixl 7 Source #
Vector multiplied by scalar
class (VectorSpace v, AdditiveGroup (Scalar v)) => InnerSpace v where Source #
Adds inner (dot) products.
Minimal complete definition
Nothing
Instances
lerp :: VectorSpace v => v -> v -> Scalar v -> v Source #
Linear interpolation between a
(when t==0
) and b
(when t==1
).
linearCombo :: VectorSpace v => [(v, Scalar v)] -> v Source #
Linear combination of vectors
magnitudeSq :: (InnerSpace v, s ~ Scalar v) => v -> s Source #
Square of the length of a vector. Sometimes useful for efficiency.
See also magnitude
.
magnitude :: (InnerSpace v, s ~ Scalar v, Floating s) => v -> s Source #
Length of a vector. See also magnitudeSq
.
normalized :: (InnerSpace v, s ~ Scalar v, Floating s) => v -> v Source #
Vector in same direction as given one but with length of one. If given the zero vector, then return it.
project :: (InnerSpace v, s ~ Scalar v, Fractional s) => v -> v -> v Source #
project u v
computes the projection of v
onto u
.