diff options
Diffstat (limited to 'gnu/packages/python.scm')
| -rw-r--r-- | gnu/packages/python.scm | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm index 9db578ed96..54d882cb6e 100644 --- a/gnu/packages/python.scm +++ b/gnu/packages/python.scm @@ -3060,6 +3060,43 @@ that client code uses to construct the grammar directly in Python code.") (define-public python2-numpydoc (package-with-python2 python-numpydoc)) +(define-public python-numexpr + (package + (name "python-numexpr") + (version "2.4.4") + (source + (origin + (method url-fetch) + (uri (string-append "https://pypi.python.org/packages/source/" + "n/numexpr/numexpr-" version ".tar.gz")) + (sha256 + (base32 + "0nsnff5312fm38w6dm34bw7ghfqqy8vl9gig0al963h4mz8zm8nz")))) + (build-system python-build-system) + (arguments `(#:tests? #f)) ; no tests included + (propagated-inputs + `(("python-numpy" ,python-numpy))) + (home-page "https://github.com/pydata/numexpr") + (synopsis "Fast numerical expression evaluator for NumPy") + (description + "Numexpr is a fast numerical expression evaluator for NumPy. With it, +expressions that operate on arrays are accelerated and use less memory than +doing the same calculation in Python. In addition, its multi-threaded +capabilities can make use of all your cores, which may accelerate +computations, most specially if they are not memory-bounded (e.g. those using +transcendental functions).") + (license license:expat))) + +(define-public python2-numexpr + (let ((numexpr (package-with-python2 python-numexpr))) + (package (inherit numexpr) + ;; Make sure to use special packages for Python 2 instead + ;; of those automatically rewritten by package-with-python2. + (propagated-inputs + `(("python2-numpy" ,python2-numpy) + ,@(alist-delete "python-numpy" + (package-propagated-inputs numexpr))))))) + (define-public python-matplotlib (package (name "python-matplotlib") |