diff options
Diffstat (limited to '')
| -rw-r--r-- | users/glittershark/emacs.d/utils.el | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/users/glittershark/emacs.d/utils.el b/users/glittershark/emacs.d/utils.el index c595b46ce2..1bfac3ca8b 100644 --- a/users/glittershark/emacs.d/utils.el +++ b/users/glittershark/emacs.d/utils.el @@ -10,6 +10,15 @@ (defun inc (x) "Returns x + 1" (+ 1 x)) (defun dec (x) "Returns x - 1" (- x 1)) +(defun average (ns) + "Arithmetic mean of xs" + (if (null ns) nil + (/ (apply #'+ ns) + (length ns)))) + +(comment + (average (list 1 2 3 4)) + ) ;; ;; Text editing utils |