diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm index 210b734b9c..bf62144325 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 @@ 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 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)))