;; provide an easy hook to tell if we are running with floats or not.
;; define pi and e via math-lib calls. (much less prone to killer typos.)
(defconst pi (* 4 (atan 1)) "The value of Pi (3.1415926...).")
+
;; It's too inconvenient to make `e' a constant because it's used as
;; a temporary variable all the time.
(defvar e (exp 1) "The value of e (2.7182818...).")
-;; Careful when editing this file ... typos here will be hard to spot.
-;; (defconst pi 3.14159265358979323846264338327
-;; "The value of Pi (3.14159265358979323846264338327...)")
-
(defconst degrees-to-radians (/ pi 180.0)
"Degrees to radian conversion constant.")
(defconst radians-to-degrees (/ 180.0 pi)