diff options
Diffstat (limited to 'lisp/emacs-lisp/float-sup.el')
| -rw-r--r-- | lisp/emacs-lisp/float-sup.el | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/lisp/emacs-lisp/float-sup.el b/lisp/emacs-lisp/float-sup.el index f213d2dba9d..371fe8af3ad 100644 --- a/lisp/emacs-lisp/float-sup.el +++ b/lisp/emacs-lisp/float-sup.el @@ -1,7 +1,7 @@ ;;; float-sup.el --- define some constants useful for floating point numbers. -;; Copyright (C) 1985, 1986, 1987, 2001, 2002, 2003, 2004, -;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. +;; Copyright (C) 1985, 1986, 1987, 2001, 2002, 2003, 2004, 2005, 2006, +;; 2007, 2008, 2009, 2010 Free Software Foundation, Inc. ;; Maintainer: FSF ;; Keywords: internal @@ -26,15 +26,8 @@ ;;; Code: -;; Provide a meaningful error message if we are running on -;; bare (non-float) emacs. - -(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. -;; define pi and e via math-lib calls. (much less prone to killer typos.) +;; 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 float-pi (* 4 (atan 1)) "The value of Pi (3.1415926...).") (defconst pi float-pi "Obsolete since Emacs-23.3. Use `float-pi' instead.") @@ -45,7 +38,7 @@ (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 +;; These expand to a single multiply by a float when byte compiled. (defmacro degrees-to-radians (x) "Convert X from degrees to radians." @@ -56,5 +49,4 @@ (provide 'lisp-float-type) -;; arch-tag: e7837072-a4af-4d08-9953-8a3e755abf9d ;;; float-sup.el ends here |