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-rw-r--r--gnu/packages/algebra.scm57
1 files changed, 56 insertions, 1 deletions
diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index 2973c68675..9734f238ca 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -1,6 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015 Andreas Enge <andreas@enge.fr>
-;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
;;;
;;; This file is part of GNU Guix.
@@ -29,6 +29,7 @@
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix build-system gnu)
+ #:use-module (guix build-system cmake)
#:use-module (guix utils))
@@ -345,3 +346,57 @@ cosine/ sine transforms or DCT/DST).")
(description
(string-append (package-description fftw)
" With OpenMPI parallelism support."))))
+
+(define-public eigen
+ (package
+ (name "eigen")
+ (version "3.2.3")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append "https://bitbucket.org/eigen/eigen/get/"
+ version ".tar.gz"))
+ (sha256
+ (base32
+ "14l5hlgxxymwyava5mx97ipyk3ma3alaj586aaz1xh1r700a7sxm"))
+ (modules '((guix build utils)))
+ (snippet
+ ;; There are 3 test failures in the "unsupported" directory,
+ ;; but maintainers say it's a known issue and it's unsupported
+ ;; anyway, so just skip them.
+ '(substitute* "CMakeLists.txt"
+ (("add_subdirectory\\(unsupported\\)")
+ "# Do not build the tests for unsupported features.\n")))))
+ (build-system cmake-build-system)
+ (arguments
+ '(;; Turn off debugging symbols to save space.
+ #:build-type "Release"
+
+ ;; Use 'make check', as per
+ ;; <http://eigen.tuxfamily.org/index.php?title=Tests>.
+ #:test-target "check"
+
+ #:phases (alist-cons-before
+ 'check 'build-tests
+ (lambda _
+ ;; First build the tests, in parallel.
+ ;; See <http://eigen.tuxfamily.org/index.php?title=Tests>.
+ (let* ((cores (current-processor-count))
+ (dash-j (format #f "-j~a" cores)))
+ ;; These variables are supposed to be honored.
+ (setenv "EIGEN_MAKE_ARGS" dash-j)
+ (setenv "EIGEN_CTEST_ARGS" dash-j)
+
+ (zero? (system* "make" "buildtests" dash-j))))
+ %standard-phases)))
+ (home-page "http://eigen.tuxfamily.org")
+ (synopsis "C++ template library for linear algebra")
+ (description
+ "Eigen is a C++ template library for linear algebra: matrices, vectors,
+numerical solvers, and related algorithms. It provides an elegant API based
+on \"expression templates\". It is versatile: it supports all matrix sizes,
+all standard numeric types, various matrix decompositions and geometry
+features, and more.")
+
+ ;; Most of the code is MPLv2, with a few files under LGPLv2.1+ or BSD-3.
+ ;; See 'COPYING.README' for details.
+ (license mpl2.0)))