Remove Octonion (#100)

* remove Octonion

* update documentation

* remove `INV_SQRT_EIGHT`

Co-authored-by: Seth Axen <[email protected]>

* remove `octo`

Co-authored-by: Seth Axen <[email protected]>

* remove octorand

Co-authored-by: Seth Axen <[email protected]>

Author: hyrodium

README.md

@@ -61,6 +61,3 @@ Implemented functions are:
     slerp
     rand
     randn
-
-Currently, this package supports the `Octonion` type, but this will be removed in the next breaking release.
-See https://github.com/JuliaGeometry/Quaternions.jl/issues/90 for more information.

docs/src/index.md

@@ -1,6 +1,6 @@
 # Quaternions.jl
 
-A Julia package implementing [quaternions](https://en.wikipedia.org/wiki/Quaternion) and [octonions](https://en.wikipedia.org/wiki/Octonion).
+A Julia package implementing [quaternions](https://en.wikipedia.org/wiki/Quaternion).
 
 !!! note "Documentation"
     The documentation is still work in progress.

src/Octonion.jl

@@ -10,21 +10,14 @@ module Quaternions
   using LinearAlgebra: cross, dot
   using Random
 
-  Base.@irrational INV_SQRT_EIGHT 0.3535533905932737622004 sqrt(big(0.125))
 
   include("Quaternion.jl")
-  include("Octonion.jl")
 
   export Quaternion,
     QuaternionF16,
     QuaternionF32,
-    QuaternionF64,
-    Octonion,
-    OctonionF16,
-    OctonionF32,
-    OctonionF64
+    QuaternionF64
   export quat
-  export octo
   export imag_part
   export angleaxis
   export angle
@@ -33,7 +26,6 @@ module Quaternions
   export normalizea
   export quatrand
   export nquatrand
-  export octorand
   export qrotation
   export rotationmatrix
   export slerp