;;; float-sup.el --- define some constants useful for floating point numbers.
-;; Copyright (C) 1985, 1986, 1987 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 1986, 1987, 2001, 2002, 2003, 2004,
+;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: internal
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
+;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; 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)
(provide 'lisp-float-type)
-;;; arch-tag: e7837072-a4af-4d08-9953-8a3e755abf9d
+;; arch-tag: e7837072-a4af-4d08-9953-8a3e755abf9d
;;; float-sup.el ends here