01/09: gnu: Add libhilbert.

[Eric Bavier]

bavier pushed a commit to branch master
in repository guix.

commit d721c83a6310bcb2ded092e20afb3954b21038fb
Author: Eric Bavier <address@hidden>
Date:   Thu Jul 7 14:41:41 2016 -0500

    gnu: Add libhilbert.
    
    * gnu/packages/maths.scm (libhilbert): 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 b8ec213..03f874e 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -2538,3 +2538,25 @@ structured and unstructured grid problems.")))
     (description "Matio is a library for reading and writing MAT files.  It
 supports compressed MAT files, as well as newer (version 7.3) MAT files.")
     (license license:bsd-2)))
+
+(define-public libhilbert
+  (package
+    (name "libhilbert")
+    (version "0.2-1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://web.cs.dal.ca/~chamilto/hilbert/";
+                           "libhilbert-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0v48x8405dj95gjn2saja4bzhw86d6zl6d3dg8h7dzac2qr97s34"))))
+    (build-system gnu-build-system)
+    (home-page "http://web.cs.dal.ca/~chamilto/hilbert";)
+    (synopsis "Hilbert indices for multidimensional data")
+    (description "The libhilbert library can efficiently calculate Hilbert
+curves and order-preserving representations of Hilbert curve indices that use
+the same amount of space as the original point representation.  This is useful
+when using the Gilbert curve as a space filling curve through a
+high-dimensional space where not all demensions have the same cardinality.")
+    (license license:lgpl2.1+)))