18/25: gnu: Add julia-ratios.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit b2ca58bec90735b1768428f4d84dec124f747cd2
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Tue Jun 8 17:21:32 2021 +0300

    gnu: Add julia-ratios.
    
    * gnu/packages/julia-xyz.scm (julia-ratios): New variable.
---
 gnu/packages/julia-xyz.scm | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gnu/packages/julia-xyz.scm b/gnu/packages/julia-xyz.scm
index 62c8f2a..db7ca3a 100644
--- a/gnu/packages/julia-xyz.scm
+++ b/gnu/packages/julia-xyz.scm
@@ -2167,6 +2167,26 @@ array data structures where the columns of the arrays 
are generated (on the fly)
 by Ranges.")
     (license license:expat)))
 
+(define-public julia-ratios
+  (package
+    (name "julia-ratios")
+    (version "0.4.0")
+    (source
+      (origin
+        (method git-fetch)
+        (uri (git-reference
+               (url "https://github.com/timholy/Ratios.jl";)
+               (commit (string-append "v" version))))
+        (file-name (git-file-name name version))
+        (sha256
+         (base32 "1a4fd4jq4qjply29rkwg3m1clfndjsbckj1b1dab1bc35h2c6yxh"))))
+    (build-system julia-build-system)
+    (home-page "https://github.com/timholy/Ratios.jl";)
+    (synopsis "Faster Rational-like types for Julia")
+    (description "This package provides types similar to Julia's 
@code{Rational}
+type, which make some sacrifices but have better computational performance.")
+    (license license:expat)))
+
 (define-public julia-recipesbase
   (package
     (name "julia-recipesbase")