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-rw-r--r--gnu/local.mk1
-rw-r--r--gnu/packages/java-maths.scm89
2 files changed, 90 insertions, 0 deletions
diff --git a/gnu/local.mk b/gnu/local.mk
index 41c10c82bc..01addbd371 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -251,6 +251,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/iso-codes.scm			\
   %D%/packages/java.scm				\
   %D%/packages/java-compression.scm		\
+  %D%/packages/java-maths.scm			\
   %D%/packages/javascript.scm			\
   %D%/packages/jemalloc.scm			\
   %D%/packages/jrnl.scm				\
diff --git a/gnu/packages/java-maths.scm b/gnu/packages/java-maths.scm
new file mode 100644
index 0000000000..6c22f2938d
--- /dev/null
+++ b/gnu/packages/java-maths.scm
@@ -0,0 +1,89 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2019 Ricardo Wurmus <rekado@elephly.net>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages java-maths)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module (guix utils)
+  #:use-module (guix build-system ant)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages gcc)
+  #:use-module (gnu packages java)
+  #:use-module (gnu packages maths)
+  #:use-module (gnu packages ruby))
+
+(define-public java-jblas
+  (package
+    (name "java-jblas")
+    (version "1.2.4")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/mikiobraun/jblas.git")
+                    (commit (string-append "jblas-" version))))
+              (sha256
+               (base32
+                "0afh48hq8i8li5z11x415c8slwsfrlib0w1xjfbg186mximqvv3g"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:tests? #f                      ; there are none
+       #:configure-flags
+       (list (string-append "--libpath="
+                            (assoc-ref %build-inputs "openblas")
+                            "/lib")
+             "--build-type=openblas")
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'make-writable
+           (lambda _
+             (map make-file-writable
+                  (find-files "." ".*"))
+             #t))
+         (add-before 'build 'setenv-JAVA_HOME
+           (lambda* (#:key inputs #:allow-other-keys)
+             (setenv "JAVA_HOME" (assoc-ref inputs "jdk"))
+             #t))
+         (add-after 'build 'build-jar
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (setenv "M2_HOME" (assoc-ref outputs "out"))
+             (invoke "ant" "jar" (string-append "-Dversion=" ,version))))
+         (replace 'install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((target (string-append (assoc-ref outputs "out")
+                                          "/share/java")))
+               (mkdir-p target)
+               (install-file (string-append "jblas-" ,version ".jar") target))
+             #t)))))
+    (inputs
+     `(("openblas" ,openblas)))
+    (native-inputs
+     `(("ant" ,ant)
+       ("ruby" ,ruby)                   ; for configure script
+       ("gfortran" ,gfortran)
+       ("jdk" ,icedtea "jdk")))
+    (home-page "http://jblas.org")
+    (synopsis "Linear algebra for Java")
+    (description
+     "jblas is a fast linear algebra library for Java.  jblas is based on BLAS
+and LAPACK, the de-facto industry standard for matrix computations, and uses
+state-of-the-art implementations for all its computational routines, making
+jBLAS very fast.")
+    (license license:bsd-3)))