Copyright | (c) Conal Elliott and Andy J Gill 2008 |
---|---|
License | BSD3 |
Maintainer | [email protected], [email protected] |
Stability | experimental |
Safe Haskell | Safe-Inferred |
Language | Haskell2010 |
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 v, s ~ Scalar v, Fractional s) => v -> s -> v infixr 7 Source #
Vector divided by scalar
class (VectorSpace v, AdditiveGroup (Scalar v)) => InnerSpace v where Source #
Adds inner (dot) products.
Minimal complete definition
Nothing
Instances
InnerSpace CDouble Source # | |
InnerSpace CFloat Source # | |
InnerSpace CInt Source # | |
InnerSpace CIntMax Source # | |
InnerSpace CLLong Source # | |
InnerSpace CLong Source # | |
InnerSpace CSChar Source # | |
InnerSpace CShort Source # | |
InnerSpace Integer Source # | |
InnerSpace Double Source # | |
InnerSpace Float Source # | |
InnerSpace Int Source # | |
(RealFloat v, InnerSpace v) => InnerSpace (Complex v) Source # | |
Integral a => InnerSpace (Ratio a) Source # | |
InnerSpace a => InnerSpace (Maybe a) Source # | |
(InnerSpace u, s ~ Scalar u, AdditiveGroup s, HasBasis a, HasTrie (Basis a)) => InnerSpace (a :> u) Source # | |
(InnerSpace u, s ~ Scalar u, InnerSpace v, s ~ Scalar v) => InnerSpace (u, v) Source # | |
Defined in Data.VectorSpace | |
InnerSpace v => InnerSpace (a -> v) Source # | |
Defined in Data.VectorSpace | |
InnerSpace a => InnerSpace (Rec0 a s) Source # | |
(InnerSpace u, s ~ Scalar u, InnerSpace v, s ~ Scalar v, InnerSpace w, s ~ Scalar w) => InnerSpace (u, v, w) Source # | |
Defined in Data.VectorSpace | |
(InnerSpace (f p), InnerSpace (g p), Scalar (f p) ~ Scalar (g p), Num (Scalar (f p))) => InnerSpace ((f :*: g) p) Source # | |
(InnerSpace u, s ~ Scalar u, InnerSpace v, s ~ Scalar v, InnerSpace w, s ~ Scalar w, InnerSpace x, s ~ Scalar x) => InnerSpace (u, v, w, x) Source # | |
Defined in Data.VectorSpace | |
InnerSpace (f p) => InnerSpace (M1 i c f p) Source # | |
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. Divides by zero for the zero vector.
project :: (InnerSpace v, s ~ Scalar v, Fractional s) => v -> v -> v Source #
project u v
computes the projection of v
onto u
.