hep: Add qdcnum.

* guix-science/packages/hep.scm (qdcnum): New variable.

1 files changed, 22 insertions, 0 deletions

diff --git a/guix-science/packages/hep.scm b/guix-science/packages/hep.scm
index 18f6902..5287e6a 100644
--- a/guix-science/packages/hep.scm
+++ b/guix-science/packages/hep.scm
@@ -645,6 +645,28 @@ Python.")
 HEP packages against.")
     (license license:bsd-3)))
 
+(define-public qdcnum
+  (package
+    (name "qdcnum")
+    (version "18.00.00")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://qcdnum.mpp.mpg.de/qcdnum-files/download/qcdnum"
+             (string-delete #\. version) ".tar.gz"))
+       (sha256
+        (base32 "00721qrfrz91w887gy34hc8xhgj0sca1k9qb13j540w4nwkgj271"))))
+    (build-system gnu-build-system)
+    (native-inputs (list gfortran))
+    (home-page "https://qcdnum.mpp.mpg.de/")
+    (synopsis "Fast QCD evolution program")
+    (description
+     "@code{QCDNUM} numerically solves the DGLAP evolution equations on a
+discrete grid in x and Q2.  You can evolve unpolarised parton density
+functions in NNLO, and polarised PDFs or fragmentation functions in NLO.")
+    (license license:gpl3+)))
+
 (define-public siscone
   (package
     (name "siscone")