Function: landmark--distance
landmark--distance is a byte-compiled function defined in
landmark.el.gz.
Signature
(landmark--distance X X0 Y Y0)
Source Code
;; Defined in /usr/src/emacs/lisp/obsolete/landmark.el.gz
;;;_ + Distance-calculation functions
;;;_ - distance (x x0 y y0)
(defun landmark--distance (x x0 y y0)
(let ((dx (- x x0)) (dy (- y y0)))
(sqrt (+ (* dx dx) (* dy dy)))))