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-;; Basic editing commands for Emacs
-;; Copyright (C) 1985, 1986, 1987 Free Software Foundation, Inc.
-
-;; This file is part of GNU Emacs.
-
-;; 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 1, or (at your option)
-;; any later version.
-
-;; GNU Emacs is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
-;; Provide a meaningful error message if we are running on
-;; bare (non-float) emacs.
-;; Can't test for 'floatp since that may be defined by float-imitation
-;; packages like float.el in this very directory.
-
-(if (fboundp 'atan)
- nil
- (error "Floating point was disabled at compile time"))
-
-;; provide an easy hook to tell if we are running with floats or not.
-(provide 'lisp-float-type)
-
-;; 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...)")
-(defconst 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)
- "Radian to degree conversion constant")
-
-;; these expand to a single multiply by a float when byte compiled
-
-(defmacro degrees-to-radians (x)
- "Convert ARG from degrees to radians."
- (list '* (/ pi 180.0) x))
-(defmacro radians-to-degrees (x)
- "Convert ARG from radians to degrees."
- (list '* (/ 180.0 pi) x))