From 442f902377c95d72b59d2311c78df2d403f02ea4 Mon Sep 17 00:00:00 2001
From: Thomas Danckaert <thomas.danckaert@gmail.com>
Date: Fri, 17 Jun 2016 10:41:50 +0200
Subject: [PATCH] gnu: Add gctp.

* gnu/packages/maths.cm (gctp): New variable.
---
 gnu/packages/maths.scm | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 44a24ef..e275436 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -418,6 +418,30 @@ plotting engine by third-party applications like Octave.")
       (license (license:fsf-free
                 "http://gnuplot.cvs.sourceforge.net/gnuplot/gnuplot/Copyright")))))
 
+(define-public gctp
+  (package
+    (name "gctp")
+    (version "2.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri "https://github.com/OkoSanto/GCTP/archive/v2.0.0.tar.gz")
+       (sha256
+        (base32
+         "0l9aqnqynh9laicn5dxf3rsb1n14xiks79wbyqccirzmjqd1c1x4"))))
+    (native-inputs
+     `(("fortran" ,gfortran)))
+    (build-system gnu-build-system)
+    (synopsis "General Cartographic Transformation Package (GCTP)")
+    (description
+     "The General Cartographic Transformation Package (GCTP) is a system of
+software routines designed to permit the transformation of coordinate pairs
+from one map projection to another.  The GCTP is the standard computer
+software used by the National Mapping Division for map projection
+computations.")
+    (home-page "https://github.com/OkoSanto/GCTP")
+    (license 'license:public-domain))) ; https://www2.usgs.gov/laws/info_policies.html
+
 (define-public hdf5
   (package
     (name "hdf5")
-- 
2.10.0