mirror of
https://github.com/masscollaborationlabs/emacs.git
synced 2025-07-04 11:23:24 +00:00
af851dd82e
* lisp/dired.el (dired-advertised-find-file): * lisp/simple.el (advertised-undo): * lisp/wid-edit.el (advertised-widget-backward): Remove variable aliases obsolete since Emacs 23.2. They are replaced by ':advertised-binding' properties. * lisp/arc-mode.el (archive-mode-map): * lisp/dired.el (dired-mode-map): * lisp/obsolete/landmark.el (landmark-mode-map): * lisp/play/decipher.el (decipher-mode-map): * lisp/play/gomoku.el (gomoku-mode-map): * lisp/proced.el (proced-mode-map): Don't bind above removed commands.
54 lines
1.8 KiB
EmacsLisp
54 lines
1.8 KiB
EmacsLisp
;;; float-sup.el --- define some constants useful for floating point numbers. -*- lexical-binding:t -*-
|
|
|
|
;; Copyright (C) 1985-1987, 2001-2025 Free Software Foundation, Inc.
|
|
|
|
;; Maintainer: emacs-devel@gnu.org
|
|
;; Keywords: internal
|
|
;; Package: emacs
|
|
|
|
;; 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 3 of the License, 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. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
;;; Commentary:
|
|
|
|
;;; Code:
|
|
|
|
;; Define pi and e via math-lib calls (much less prone to killer typos).
|
|
(defconst float-pi (* 4 (atan 1)) "The value of Pi (3.1415926...).")
|
|
(with-suppressed-warnings ((lexical pi))
|
|
(defconst pi float-pi
|
|
"Obsolete since Emacs-23.3. Use `float-pi' instead."))
|
|
(make-obsolete-variable 'pi 'float-pi "23.3") ; "28.1"
|
|
(internal-make-var-non-special 'pi)
|
|
|
|
(defconst float-e (exp 1) "The value of e (2.7182818...).")
|
|
|
|
(defconst degrees-to-radians (/ float-pi 180.0)
|
|
"Degrees to radian conversion constant.")
|
|
(defconst radians-to-degrees (/ 180.0 float-pi)
|
|
"Radian to degree conversion constant.")
|
|
|
|
;; These expand to a single multiply by a float when byte compiled.
|
|
|
|
(defmacro degrees-to-radians (x)
|
|
"Convert X from degrees to radians."
|
|
(list '* degrees-to-radians x))
|
|
(defmacro radians-to-degrees (x)
|
|
"Convert X from radians to degrees."
|
|
(list '* radians-to-degrees x))
|
|
|
|
(provide 'lisp-float-type)
|
|
|
|
;;; float-sup.el ends here
|