;;; calc.el --- the GNU Emacs calculator
-;; Copyright (C) 1990, 1991, 1992, 1993, 2001, 2002, 2003, 2004, 2005,
-;; 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1990-1993, 2001-2011 Free Software Foundation, Inc.
;; Author: David Gillespie <daveg@synaptics.com>
;; Maintainer: Jay Belanger <jay.p.belanger@gmail.com>
;; target integral is not complete (and the time limit has not run out)
;; choose an incomplete integral from the cache and, for every integral
;; appearing in its RHS's, add those integrals to the cache using the
-;; same substitition, parts, etc. rules. The cache should be organized
+;; same substitution, parts, etc. rules. The cache should be organized
;; as a priority queue, choosing the "simplest" incomplete integral at
;; each step, or choosing randomly among equally simple integrals.
;; Simplicity equals small size, and few steps removed from the original
:group 'calc
:type 'boolean)
-(defcustom calc-undo-length
+(defcustom calc-undo-length
100
"The number of undo steps that will be preserved when Calc is quit."
:group 'calc
:type 'integer)
+(defcustom calc-highlight-selections-with-faces
+ nil
+ "If non-nil, use a separate face to indicate selected sub-formulas.
+If `calc-show-selections' is non-nil, then selected sub-formulas are shown
+by displaying the rest of the formula in `calc-nonselected-face'.
+If `calc-show-selections' is nil, then selected sub-formulas are shown
+by displaying the sub-formula in `calc-selected-face'."
+ :group 'calc
+ :type 'boolean)
+
+(defcustom calc-lu-field-reference
+ "20 uPa"
+ "The default reference level for logarithmic units (field)."
+ :group 'calc
+ :type '(string))
+
+(defcustom calc-lu-power-reference
+ "mW"
+ "The default reference level for logarithmic units (power)."
+ :group 'calc
+ :type '(string))
+
+(defcustom calc-note-threshold "1"
+ "The number of cents that a frequency should be near a note
+to be identified as that note."
+ :type 'string
+ :group 'calc)
+
+(defface calc-nonselected-face
+ '((t :inherit shadow
+ :slant italic))
+ "Face used to show the non-selected portion of a formula."
+ :group 'calc)
+
+(defface calc-selected-face
+ '((t :weight bold))
+ "Face used to show the selected portion of a formula."
+ :group 'calc)
+
(defvar calc-bug-address "jay.p.belanger@gmail.com"
"Address of the maintainer of Calc, for use by `report-calc-bug'.")
(defvar calc-quick-prev-results nil
"Previous results from Quick Calc.")
(defvar calc-said-hello nil
- "Non-nil if the welcomd message has been displayed.")
+ "Non-nil if the welcome message has been displayed.")
(defvar calc-executing-macro nil
"Non-nil if a keyboard macro is executing from the \"K\" key.")
(defvar calc-any-selections nil
(define-key map "\C-j" 'calc-over)
(define-key map "\C-y" 'calc-yank)
(define-key map [mouse-2] 'calc-yank)
+ (define-key map [remap undo] 'calc-undo)
(mapc (lambda (x) (define-key map (char-to-string x) 'undefined))
"lOW")
(mapc (lambda (x) (define-key map (char-to-string x) 'calc-missing-key))
(concat "ABCDEFGHIJKLMNOPQRSTUVXZabcdfghjkmoprstuvwxyz"
- ":\\|!()[]<>{},;=~`\C-k\C-w\C-_"))
+ ":\\|!()[]<>{},;=~`\C-k\C-w"))
(define-key map "\M-w" 'calc-missing-key)
(define-key map "\M-k" 'calc-missing-key)
(define-key map "\M-\C-w" 'calc-missing-key)
(glob (current-global-map))
(loc (current-local-map)))
(or (input-pending-p) (message "%s" prompt))
- (let ((key (calc-read-key t)))
+ (let ((key (calc-read-key t))
+ (input-method-function nil))
(calc-unread-command (cdr key))
(unwind-protect
(progn
;; Eventually, prompt user with a list of buffers using embedded mode.
(when (and
info-list
- (yes-or-no-p
+ (yes-or-no-p
(concat "This Calc stack is being used for embedded mode. Kill anyway?")))
(while info-list
(with-current-buffer (car (car info-list))
(if (not info-list)
(progn
(setq calc-buffer-list (delete cb calc-buffer-list))
- (with-current-buffer calc-trail-buffer
- (if (eq cb calc-main-buffer)
- ;; If there are other Calc stacks, make another one
- ;; the calc-main-buffer ...
- (if calc-buffer-list
- (setq calc-main-buffer (car calc-buffer-list))
- ;; ... otherwise kill the trail and its windows.
- (let ((wl (get-buffer-window-list calc-trail-buffer)))
- (while wl
- (delete-window (car wl))
- (setq wl (cdr wl))))
- (kill-buffer calc-trail-buffer)
- (setq calc-trail-buffer nil))))
+ (if (buffer-live-p calc-trail-buffer)
+ (with-current-buffer calc-trail-buffer
+ (if (eq cb calc-main-buffer)
+ ;; If there are other Calc stacks, make another one
+ ;; the calc-main-buffer ...
+ (if calc-buffer-list
+ (setq calc-main-buffer (car calc-buffer-list))
+ ;; ... otherwise kill the trail and its windows.
+ (let ((wl (get-buffer-window-list calc-trail-buffer)))
+ (while wl
+ (delete-window (car wl))
+ (setq wl (cdr wl))))
+ (kill-buffer calc-trail-buffer)))))
+ (setq calc-trail-buffer nil)
t))))
(defun calc-mode ()
(set (make-local-variable 'calc-main-buffer) buf))
(when (= (buffer-size) 0)
(let ((buffer-read-only nil))
- (insert (propertize (concat "Emacs Calculator Trail\n")
- 'font-lock-face 'italic))))
+ (insert (propertize "Emacs Calculator Trail\n" 'face 'italic))))
(run-mode-hooks 'calc-trail-mode-hook))
(defun calc-create-buffer ()
(erase-buffer)
(when calc-show-banner
(insert (propertize "--- Emacs Calculator Mode ---\n"
- 'font-lock-face 'italic)))
+ 'face 'italic)))
(while thing
(goto-char (point-min))
(when calc-show-banner
(Math-lessp a math-half-2-word-size))
(and (Math-integer-negp a)
(require 'calc-ext)
- (let ((comparison
+ (let ((comparison
(math-compare (Math-integer-neg a) math-half-2-word-size)))
(or (= comparison 0)
(= comparison -1))))))
(math-normalize
(save-match-data
(cond
-
+
;; Integers (most common case)
((string-match "\\` *\\([0-9]+\\) *\\'" s)
(let ((digs (math-match-substring s 1)))
(if (<= (length digs) (* 2 math-bignum-digit-length))
(string-to-number digs)
(cons 'bigpos (math-read-bignum digs))))))
-
+
;; Clean up the string if necessary
((string-match "\\`\\(.*\\)[ \t\n]+\\([^\001]*\\)\\'" s)
(math-read-number (concat (math-match-substring s 1)
(math-match-substring s 2))))
-
+
;; Plus and minus signs
((string-match "^[-_+]\\(.*\\)$" s)
(let ((val (math-read-number (math-match-substring s 1))))
(and val (if (eq (aref s 0) ?+) val (math-neg val)))))
-
+
;; Forms that require extensions module
((string-match "[^-+0-9eE.]" s)
(require 'calc-ext)
(math-read-number-fancy s))
-
+
;; Decimal point
((string-match "^\\([0-9]*\\)\\.\\([0-9]*\\)$" s)
(let ((int (math-match-substring s 1))
(list 'float
(math-add (math-scale-int int flen) frac)
(- flen)))))))
-
+
;; "e" notation
((string-match "^\\(.*\\)[eE]\\([-+]?[0-9]+\\)$" s)
(let ((mant (math-match-substring s 1))
(and mant exp (Math-realp mant) (> exp -4000000) (< exp 4000000)
(let ((mant (math-float mant)))
(list 'float (nth 1 mant) (+ (nth 2 mant) exp)))))))
-
+
;; Syntax error!
(t nil)))))
(setq unread-command-event nil)
(setq unread-command-events nil)))
-(defcalcmodevar math-2-word-size
+(defcalcmodevar math-2-word-size
(math-read-number-simple "4294967296")
"Two to the power of `calc-word-size'.")
(provide 'calc)
-;; arch-tag: 0c3b170c-4ce6-4eaf-8d9b-5834d1fe938f
+;; Local variables:
+;; coding: utf-8
+;; End:
+
;;; calc.el ends here
HCoop / bpt / emacs.git / blobdiff