04/04: gnu: Add gf2x.

[guix-commits]

andreas pushed a commit to branch master
in repository guix.

commit 7c5f623192d4d316ce62270cbdb9daa7848c323d
Author: Andreas Enge <address@hidden>
Date:   Wed Jun 19 18:54:52 2019 +0200

    gnu: Add gf2x.
    
    * gnu/packages/algebra.scm (gf2x): New variable.
---
 gnu/packages/algebra.scm | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index 86c0a42..fefe712 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -93,6 +93,27 @@ multiplication routines such as Toom–Cook and the FFT.")
    (license license:lgpl3+)
    (home-page "http://mpfrcx.multiprecision.org/";)))
 
+(define-public gf2x
+  (package
+   (name "gf2x")
+   (version "1.2")
+   (source (origin
+            (method url-fetch)
+            (uri (string-append
+                  "https://gforge.inria.fr/frs/download.php/file/36934/gf2x-";
+                  version ".tar.gz"))
+            (sha256
+             (base32
+              "0d6vh1mxskvv3bxl6byp7gxxw3zzpkldrxnyajhnl05m0gx7yhk1"))))
+   (build-system gnu-build-system)
+   (synopsis "Arithmetic of polynomials over binary finite fields")
+   (description
+    "The gf2x library provides arithmetic of polynomials over finite fields
+of characteristic 2.  It implements the multiplication, squaring and
+greatest common divisor operations.")
+   (license license:gpl3+)
+   (home-page "https://gforge.inria.fr/projects/gf2x/";)))
+
 (define-public cm
   (package
    (name "cm")