33/57: gnu: Add julia-optimisers.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit ca8be377a2415070b1a3a5e47ae0347347424f97
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Tue Dec 13 21:12:39 2022 +0200

    gnu: Add julia-optimisers.
    
    * gnu/packages/julia-xyz.scm (julia-optimisers): New variable.
---
 gnu/packages/julia-xyz.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/gnu/packages/julia-xyz.scm b/gnu/packages/julia-xyz.scm
index 53612f5a1e..39062f5971 100644
--- a/gnu/packages/julia-xyz.scm
+++ b/gnu/packages/julia-xyz.scm
@@ -4083,6 +4083,33 @@ doesn't provide any other \"high-level\" functionality 
like layers or AD.")
 optimization of functions.")
     (license license:expat)))
 
+(define-public julia-optimisers
+  (package
+    (name "julia-optimisers")
+    (version "0.2.13")
+    (source
+      (origin
+        (method git-fetch)
+        (uri (git-reference
+               (url "https://github.com/FluxML/Optimisers.jl";)
+               (commit (string-append "v" version))))
+        (file-name (git-file-name name version))
+        (sha256
+         (base32 "1xs51r365l6r56rpm08kba00nfcl5jlglwy8494w06vbi22ysbq7"))))
+    (build-system julia-build-system)
+    (propagated-inputs
+     (list julia-chainrulescore
+           julia-functors
+           julia-zygote))
+    (native-inputs
+     (list julia-staticarrays
+           julia-zygote))
+    (home-page "https://github.com/FluxML/Optimisers.jl";)
+    (synopsis "Optimisers and utilities for learning loops")
+    (description "@code{Optimisers.jl} defines many standard gradient-based
+optimisation rules, and tools for applying them to deeply nested models.")
+    (license license:expat)))
+
 (define-public julia-optimtestproblems
   (package
     (name "julia-optimtestproblems")