From b457f3cc16770dfafe87f86fef002b47f9eef338 Mon Sep 17 00:00:00 2001
From: Andreas Enge <andreas@enge.fr>
Date: Fri, 21 Feb 2020 13:22:22 +0100
Subject: gnu: Add vinci.

* gnu/packages/maths.scm (vinci): New variable.
---
 gnu/packages/maths.scm | 47 ++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 46 insertions(+), 1 deletion(-)

(limited to 'gnu/packages/maths.scm')

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 10071c10d5..535ba02ea6 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016, 2019 Andreas Enge <andreas@enge.fr>
+;;; Copyright © 2013, 2014, 2015, 2016, 2019, 2020 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
 ;;; Copyright © 2014, 2016, 2017 John Darrington <jmd@gnu.org>
 ;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2019, 2020 Eric Bavier <bavier@posteo.net>
@@ -523,6 +523,51 @@ in memory, so even problems with very large output sizes can sometimes
 be solved.")
     (license license:gpl2+)))
 
+(define-public vinci
+  (package
+    (name "vinci")
+    (version "1.0.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://www.math.u-bordeaux.fr/~aenge/software/"
+                           "vinci/vinci-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1aq0qc1y27iw9grhgnyji3290wwfznsrk3sg6ynqpxwjdda53h4m"))))
+    (build-system gnu-build-system)
+    (inputs
+     `(("lrslib" ,lrslib)))
+    (arguments
+     `(#:tests? #f                      ; no check phase
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'configure
+           ;; register the lrs location in the config file
+           (lambda* (#:key inputs #:allow-other-keys)
+             (let* ((lrs (assoc-ref inputs "lrslib"))
+                    (lrsexec (string-append lrs "/bin/lrs")))
+               (substitute* "vinci.h"
+                 (("#define LRS_EXEC      \"lrs\"")
+                  (string-append "#define LRS_EXEC \"" lrsexec "\""))))
+             #t))
+         (replace 'install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (bin (string-append out "/bin")))
+               (install-file "vinci" bin))
+             #t)))))
+    (home-page
+     "https://www.math.u-bordeaux.fr/~aenge/?category=software&page=vinci")
+    (synopsis "Volume computation for polytopes")
+    (description
+     "Vinci implements a number of volume computation algorithms for convex
+polytopes in arbitrary dimension.  The polytopes can be given by their
+V-representation (as the convex hull of a finite number of vertices), by
+their H-representation (as the bounded intersection of a finite number of
+halfspaces) or by their double description with both representations.")
+    (license license:gpl2+)))
+
 (define-public arpack-ng
   (package
     (name "arpack-ng")
-- 
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