GNU bug report logs - #60075
[PATCH 00/58] New julia patches

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Message #98 received at 60075 <at> debbugs.gnu.org (full text, mbox):

From: Efraim Flashner <efraim <at> flashner.co.il>
To: 60075 <at> debbugs.gnu.org
Cc: Efraim Flashner <efraim <at> flashner.co.il>
Subject: [PATCH 31/58] gnu: Add julia-realdot.
Date: Wed, 14 Dec 2022 22:35:29 +0200

* gnu/packages/julia-xyz.scm (julia-realdot): 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 80dfe37996..3bf1060e4f 100644
--- a/gnu/packages/julia-xyz.scm
+++ b/gnu/packages/julia-xyz.scm
@@ -4637,6 +4637,29 @@ (define-public julia-ratios
 type, which make some sacrifices but have better computational performance.")
     (license license:expat)))
 
+(define-public julia-realdot
+  (package
+    (name "julia-realdot")
+    (version "0.1.0")
+    (source
+      (origin
+        (method git-fetch)
+        (uri (git-reference
+               (url "https://github.com/JuliaMath/RealDot.jl")
+               (commit (string-append "v" version))))
+        (file-name (git-file-name name version))
+        (sha256
+         (base32 "1jr8dq110j8axjfz936b1lqqcnqg3979rfg11w76rq1iz7zgi691"))))
+    (build-system julia-build-system)
+    (home-page "https://github.com/JuliaMath/RealDot.jl")
+    (synopsis "Compute realdot efficiently")
+    (description "This package only contains and exports a single function
+@code{realdot(x, y)}.  It computes @code{real(LinearAlgebra.dot(x, y))} while
+avoiding computing the imaginary part of @code{LinearAlgebra.dot(x, y)} if
+possible.  The real dot product is useful when one treats complex numbers as
+embedded in a real vector space.")
+    (license license:expat)))
+
 (define-public julia-recipesbase
   (package
     (name "julia-recipesbase")
-- 
2.38.1

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