>From 2bb337586374cc9ed0b60455f53e28eb111dcea5 Mon Sep 17 00:00:00 2001
From: Mathieu Lirzin <address@hidden>
Date: Sun, 28 Sep 2014 01:29:56 +0200
Subject: [PATCH] gnu: Add dionysus.

* gnu/packages/maths.scm (dionysus): New variable.
---
 gnu/packages/maths.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index ebc34cc..62d2384 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -4,6 +4,7 @@
 ;;; Copyright © 2014 John Darrington <address@hidden>
 ;;; Copyright © 2014 Eric Bavier <address@hidden>
 ;;; Copyright © 2014 Federico Beffa <address@hidden>
+;;; Copyright © 2014 Mathieu Lirzin <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -84,6 +85,27 @@ effectively as a scientific calculator.")
    (license license:gpl3+)
    (home-page "http://www.gnu.org/software/units/")))
 
+(define-public dionysus
+  (package
+   (name "dionysus")
+   (version "1.3.0")
+   (source (origin
+            (method url-fetch)
+            (uri (string-append "mirror://gnu/dionysus/dionysus-" version
+                                ".tar.gz"))
+            (sha256 (base32
+                     "1aqnvw6z33bzqgd1ga571pnx6vq2zrkckm1cz91grv45h4jr9vgs"))))
+   (build-system gnu-build-system)
+   (synopsis "Local search for universal constants and scientific values")
+   (description
+    "GNU Dionysus is a convenient system for quickly retrieving the values of
+mathematical constants used in science and engineering.  Values can be
+searched using a simple command-line tool, choosing from three databases:
+universal constants, atomic numbers, and constants related to
+semiconductors.")
+   (license license:gpl3+)
+   (home-page "http://www.gnu.org/software/dionysus/")))
+
 (define-public gsl
   (package
     (name "gsl")
-- 
2.1.0