From 70770b9381638b136b92970f67023f6b77fc4460 Mon Sep 17 00:00:00 2001
From: Fis Trivial <ybbs.daans@hotmail.com>
Date: Mon, 28 May 2018 08:12:42 +0000
Subject: [PATCH] gnu: Add xtensor.
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* gnu/packages/algebra.scm (xtensor): New variable.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
---
gnu/packages/algebra.scm | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index 210b734b9c8..bf621443256 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -27,7 +27,9 @@
(define-module (gnu packages algebra)
#:use-module (gnu packages)
#:use-module (gnu packages autotools)
+ #:use-module (gnu packages check)
#:use-module (gnu packages compression)
+ #:use-module (gnu packages cpp)
#:use-module (gnu packages documentation)
#:use-module (gnu packages ed)
#:use-module (gnu packages flex)
@@ -774,3 +776,37 @@ (define-public eigen
;; Most of the code is MPLv2, with a few files under LGPLv2.1+ or BSD-3.
;; See 'COPYING.README' for details.
(license license:mpl2.0)))
+
+(define-public xtensor
+ (package
+ (name "xtensor")
+ (version "0.15.9")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append
+ "https://github.com/QuantStack/xtensor/archive/"
+ version ".tar.gz"))
+ (sha256
+ (base32
+ "0mlsw4p1w5mh7pscddfdamz27zq3wml5qla3vbzgvif34vsqc8ra"))
+ (file-name (string-append name "-" version ".tar.gz"))))
+ (build-system cmake-build-system)
+ (native-inputs
+ `(("googletest" ,googletest)
+ ("xtl" ,xtl)))
+ (arguments
+ `(#:configure-flags
+ '("-DBUILD_TESTS=ON")
+ #:test-target "xtest"))
+ (home-page "http://quantstack.net/xtensor")
+ (synopsis "C++ tensors with broadcasting and lazy computing")
+ (description "xtensor is a C++ library meant for numerical analysis with
+multi-dimensional array expressions.
+
+xtensor provides:
+@itemize
+@item an extensible expression system enabling lazy broadcasting.
+@item an API following the idioms of the C++ standard library.
+@item tools to manipulate array expressions and build upon xtensor.
+@end itemize")
+ (license license:bsd-3)))
--
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