08/25: gnu: Add julia-quaternions.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit 122897542adb927752a6e017cbd3759f7f1d0c41
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Tue Jun 8 15:57:40 2021 +0300

    gnu: Add julia-quaternions.
    
    * gnu/packages/julia-xyz.scm (julia-quaternions): New variable.
---
 gnu/packages/julia-xyz.scm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gnu/packages/julia-xyz.scm b/gnu/packages/julia-xyz.scm
index 827b22b..98dd379 100644
--- a/gnu/packages/julia-xyz.scm
+++ b/gnu/packages/julia-xyz.scm
@@ -1887,6 +1887,29 @@ human-readable format.")
 format.")
     (license license:expat)))
 
+(define-public julia-quaternions
+  (package
+    (name "julia-quaternions")
+    (version "0.4.2")
+    (source
+      (origin
+        (method git-fetch)
+        (uri (git-reference
+               (url "https://github.com/JuliaGeometry/Quaternions.jl";)
+               (commit (string-append "v" version))))
+        (file-name (git-file-name name version))
+        (sha256
+         (base32 "1zhynyvchc50hywws2jznpkwydr3njh8cv84d2ylyabhcwwmil9s"))))
+    (build-system julia-build-system)
+    (propagated-inputs
+     `(("julia-dualnumbers" ,julia-dualnumbers)))
+    (home-page "https://github.com/JuliaGeometry/Quaternions.jl";)
+    (synopsis "Quaternion and dual-quaternion functionality")
+    (description "Quaternions are best known for their suitability as
+representations of 3D rotational orientation.  They can also be viewed as an
+extension of complex numbers.")
+    (license license:expat)))
+
 (define-public julia-queryoperators
   (package
     (name "julia-queryoperators")