Mercurial > hg > xemacs-beta
annotate lisp/float-sup.el @ 5096:e0587c615e8b
Updates to internals.texi
-------------------- ChangeLog entries follow: --------------------
man/ChangeLog addition:
2010-03-04 Ben Wing <ben@xemacs.org>
* internals/internals.texi (Top):
* internals/internals.texi (list-to-texinfo): Removed.
* internals/internals.texi (convert-list-to-texinfo): New.
* internals/internals.texi (table-to-texinfo): Removed.
* internals/internals.texi (convert-table-to-texinfo): New.
Update Lisp functions at top to newest versions.
* internals/internals.texi (A History of Emacs):
* internals/internals.texi (Through Version 18):
* internals/internals.texi (Lucid Emacs):
* internals/internals.texi (XEmacs):
* internals/internals.texi (The XEmacs Split):
* internals/internals.texi (Modules for Other Aspects of the Lisp Interpreter and Object System):
* internals/internals.texi (Introduction to Writing C Code):
* internals/internals.texi (Writing Good Comments):
* internals/internals.texi (Writing Macros):
* internals/internals.texi (Major Textual Changes):
* internals/internals.texi (Great Integral Type Renaming):
* internals/internals.texi (How to Regression-Test):
* internals/internals.texi (Creating a Branch):
* internals/internals.texi (Dynamic Arrays):
* internals/internals.texi (Allocation by Blocks):
* internals/internals.texi (mark_object):
* internals/internals.texi (gc_sweep):
* internals/internals.texi (Byte-Char Position Conversion):
* internals/internals.texi (Searching and Matching):
* internals/internals.texi (Introduction to Multilingual Issues #3):
* internals/internals.texi (Byte Types):
* internals/internals.texi (Different Ways of Seeing Internal Text):
* internals/internals.texi (Buffer Positions):
* internals/internals.texi (Basic internal-format APIs):
* internals/internals.texi (The DFC API):
* internals/internals.texi (General Guidelines for Writing Mule-Aware Code):
* internals/internals.texi (Mule-izing Code):
* internals/internals.texi (Locales):
* internals/internals.texi (More about code pages):
* internals/internals.texi (More about locales):
* internals/internals.texi (Unicode support under Windows):
* internals/internals.texi (The Frame):
* internals/internals.texi (The Non-Client Area):
* internals/internals.texi (The Client Area):
* internals/internals.texi (The Paned Area):
* internals/internals.texi (Text Areas):
* internals/internals.texi (The Displayable Area):
* internals/internals.texi (Event Queues):
* internals/internals.texi (Event Stream Callback Routines):
* internals/internals.texi (Focus Handling):
* internals/internals.texi (Future Work -- Autodetection):
Replace " with ``, '' (not complete, maybe about halfway through).
author | Ben Wing <ben@xemacs.org> |
---|---|
date | Thu, 04 Mar 2010 07:19:03 -0600 |
parents | 576fb035e263 |
children | 308d34e9f07d |
rev | line source |
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209 | 1 ;;; float-sup.el --- detect absence of floating-point support in XEmacs runtime |
2 | |
3 ;; Copyright (C) 1985-7, 1997 Free Software Foundation, Inc. | |
4 | |
5 ;; Maintainer: FSF | |
6 ;; Keywords: internal, dumped | |
7 | |
8 ;; This file is part of XEmacs. | |
9 | |
10 ;; XEmacs is free software; you can redistribute it and/or modify it | |
11 ;; under the terms of the GNU General Public License as published by | |
12 ;; the Free Software Foundation; either version 2, or (at your option) | |
13 ;; any later version. | |
14 | |
15 ;; XEmacs is distributed in the hope that it will be useful, but | |
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 ;; General Public License for more details. | |
19 | |
20 ;; You should have received a copy of the GNU General Public License | |
21 ;; along with XEmacs; see the file COPYING. If not, write to the Free | |
22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
23 ;; 02111-1307, USA. | |
24 | |
25 ;;; Synched up with: FSF 19.34. | |
26 | |
27 ;;; Code: | |
28 | |
29 ;; This file is dumped with XEmacs. | |
30 | |
31 ;; Provide a meaningful error message if we are running on | |
32 ;; bare (non-float) emacs. | |
33 ;; Can't test for 'floatp since that may be defined by float-imitation | |
34 ;; packages like float.el in this very directory. | |
35 | |
36 ;; XEmacs change | |
37 (or (featurep 'lisp-float-type) | |
38 (error "Floating point was disabled at compile time")) | |
39 | |
40 ;; define pi and e via math-lib calls. (much less prone to killer typos.) | |
444 | 41 (defconst pi (* 4 (atan 1)) "The value of Pi (3.1415926...)") |
42 (defconst e (exp 1) "The value of e (2.7182818...)") | |
209 | 43 |
44 ;; Careful when editing this file ... typos here will be hard to spot. | |
45 ;; (defconst pi 3.14159265358979323846264338327 | |
46 ;; "The value of Pi (3.14159265358979323846264338327...)") | |
47 | |
444 | 48 (defconst degrees-to-radians (/ pi 180.0) |
209 | 49 "Degrees to radian conversion constant") |
444 | 50 (defconst radians-to-degrees (/ 180.0 pi) |
209 | 51 "Radian to degree conversion constant") |
52 | |
53 ;; these expand to a single multiply by a float when byte compiled | |
54 | |
55 (defmacro degrees-to-radians (x) | |
56 "Convert ARG from degrees to radians." | |
57 (list '* (/ pi 180.0) x)) | |
58 (defmacro radians-to-degrees (x) | |
59 "Convert ARG from radians to degrees." | |
60 (list '* (/ 180.0 pi) x)) | |
61 | |
62 ;; Provided in C code in XEmacs | |
63 ;; (provide 'lisp-float-type) | |
64 | |
65 ;;; float-sup.el ends here |