-;;; calc-misc.el --- miscellaenous functions for Calc
+;;; calc-misc.el --- miscellaneous functions for Calc
-;; Copyright (C) 1990, 1991, 1992, 1993, 2001 Free Software Foundation, Inc.
+;; Copyright (C) 1990, 1991, 1992, 1993, 2001, 2002, 2003, 2004
+;; 2005, 2006 Free Software Foundation, Inc.
;; Author: David Gillespie <daveg@synaptics.com>
-;; Maintainer: Colin Walters <walters@debian.org>
+;; Maintainer: Jay Belanger <belanger@truman.edu>
;; This file is part of GNU Emacs.
;;; Code:
;; This file is autoloaded from calc.el.
-(require 'calc)
+(require 'calc)
(require 'calc-macs)
-(defun calc-Need-calc-misc () nil)
-
-
(defun calc-dispatch-help (arg)
- "M-# is a prefix key; follow it with one of these letters:
+ "C-x* is a prefix key sequence; follow it with one of these letters:
For turning Calc on and off:
C calc. Start the Calculator in a window at the bottom of the screen.
M read-kbd-macro. Read a region of keystroke names as a keyboard macro.
0 (zero) calc-reset. Reset Calc stack and modes to default state.
-Press twice (`M-# M-#' or `M-# #') to turn Calc on or off using the same
-Calc user interface as before (either M-# C or M-# K; initially M-# C)."
+Press `*' twice (`C-x * *') to turn Calc on or off using the same
+Calc user interface as before (either C-x * C or C-x * K; initially C-x * C).
+"
(interactive "P")
(calc-check-defines)
(if calc-dispatch-help
"Now using full screen for Calc"
"Now using partial screen for Calc"))))
-(defun calc-other-window ()
+(defun calc-other-window (&optional interactive)
"Invoke the Calculator in another window."
- (interactive)
+ (interactive "p")
(if (memq major-mode '(calc-mode calc-trail-mode))
(progn
(other-window 1)
(if (get-buffer-window "*Calculator*")
(calc-quit)
(let ((win (selected-window)))
- (calc nil win (interactive-p))))))
+ (calc nil win interactive)))))
(defun another-calc ()
"Create another, independent Calculator buffer."
(pop-to-buffer (current-buffer))
(calc-mode))
-
-;;; Make an attempt to preserve the window configuration, while deleting
-;;; windows on "bufs". Emacs 19's delete-window function will probably
-;;; make this kludgery unnecessary, but Emacs 18's tendency to grow all
-;;; windows on the screen to take up the slack from the deleted windows
-;;; can be annoying when Calc was called during another multi-window
-;;; application, such as GNUS.
-
-(defun calc-delete-windows-keep (&rest bufs)
- (if (one-window-p)
- (mapcar 'delete-windows-on bufs)
- (let* ((w (car calc-was-split))
- (e (window-edges w))
- (wins nil)
- w2 e2)
- (while (progn
- (setq w2 (previous-window w)
- e2 (window-edges w2))
- (and (= (car e2) (car e))
- (= (nth 2 e2) (nth 2 e))
- (< (nth 1 e2) (nth 1 e))))
- (setq w w2 e e2))
- (setq w2 w e2 e)
- (while (progn
- (setq wins (cons (list w (nth 1 e) (window-buffer w)
- (window-point w) (window-start w))
- wins)
- w (next-window w)
- e (window-edges w))
- (and (not (eq w w2))
- (= (car e2) (car e))
- (= (nth 2 e2) (nth 2 e)))))
- (setq wins (nreverse wins))
- (mapcar 'delete-windows-on bufs)
- (or (one-window-p)
- (let ((w wins)
- (main nil)
- (mainpos 0)
- (sel (if (window-point (nth 2 calc-was-split))
- (nth 2 calc-was-split)
- (selected-window))))
- (while w
- (if (window-point (car (car w)))
- (if main
- (delete-window (car (car w)))
- (setq main (car (car w))
- mainpos (nth 1 (car w))
- wins (cdr wins)))
- (setq wins (delq (car w) wins)))
- (setq w (cdr w)))
- (while wins
- (setq w (split-window main
- (if (eq main (car calc-was-split))
- (nth 1 calc-was-split)
- (- (nth 1 (car wins)) mainpos))))
- (set-window-buffer w (nth 2 (car wins)))
- (set-window-point w (nth 3 (car wins)))
- (set-window-start w (nth 4 (car wins)))
- (if (eq sel (car (car wins)))
- (select-window w))
- (setq main w
- mainpos (nth 1 (car wins))
- wins (cdr wins)))
- (if (window-point sel)
- (select-window sel)))))))
-
-
(defun calc-info ()
"Run the Emacs Info system on the Calculator documentation."
(interactive)
(select-window (get-largest-window))
(info "Calc"))
+(defun calc-info-goto-node (node)
+ "Go to a node in the Calculator info documentation."
+ (interactive)
+ (select-window (get-largest-window))
+ (info (concat "(Calc)" node)))
+
(defun calc-tutorial ()
"Run the Emacs Info system on the Calculator Tutorial."
(interactive)
(if (get-buffer-window "*Calculator*")
(calc-quit))
- (calc-info)
- (Info-goto-node "Interactive Tutorial")
+ (calc-info-goto-node "Interactive Tutorial")
(calc-other-window)
(message "Welcome to the Calc Tutorial!"))
(defun calc-info-summary ()
"Run the Emacs Info system on the Calculator Summary."
(interactive)
- (calc-info)
- (Info-goto-node "Summary"))
+ (calc-info-goto-node "Summary"))
(defun calc-help ()
(interactive)
;;;; Stack and buffer management.
+;; The variable calc-last-why-command is set in calc-do-handly-whys
+;; and used in calc-why (in calc-stuff.el).
+(defvar calc-last-why-command)
(defun calc-do-handle-whys ()
(setq calc-why (sort calc-next-why
(and (eq (car (car calc-why)) '*)
calc-auto-why)))
(progn
- (calc-extensions)
+ (require 'calc-ext)
(calc-explain-why (car calc-why)
(if (eq calc-auto-why t)
(cdr calc-why)
(defun calc-last-args-stub (arg)
(interactive "p")
- (calc-extensions)
+ (require 'calc-ext)
(calc-last-args arg))
(defun calc-power (arg)
(interactive "P")
(calc-slow-wrapper
- (if (and calc-extensions-loaded
+ (if (and (featurep 'calc-ext)
(calc-is-inverse))
(calc-binary-op "root" 'calcFunc-nroot arg nil nil)
(calc-binary-op "^" 'calcFunc-pow arg nil nil '^))))
When this key is used, calc-ext (the Calculator extensions module) will be
loaded and the keystroke automatically re-typed."
(interactive "P")
- (calc-extensions)
+ (require 'calc-ext)
(if (keymapp (key-binding (char-to-string last-command-char)))
(message "%s%c-" (calc-num-prefix-name n) last-command-char))
(calc-unread-command)
(defun calc-shift-Y-prefix-help ()
(interactive)
- (calc-extensions)
+ (require 'calc-ext)
(calc-do-prefix-help calc-Y-help-msgs "other" ?Y))
(defun math-concat (v1 v2)
(if (stringp v1)
(concat v1 v2)
- (calc-extensions)
+ (require 'calc-ext)
(if (and (or (math-objvecp v1) (math-known-scalarp v1))
(or (math-objvecp v2) (math-known-scalarp v2)))
(append (if (and (math-vectorp v1)
;;; Coerce A to be an integer (by truncation toward zero). [I N] [Public]
-(defun math-trunc (a &optional prec)
- (cond (prec
- (calc-extensions)
- (math-trunc-special a prec))
+
+;; The variable math-trunc-prec is local to math-trunc, but used by
+;; math-trunc-fancy in calc-arith.el, which is called by math-trunc.
+
+(defun math-trunc (a &optional math-trunc-prec)
+ (cond (math-trunc-prec
+ (require 'calc-ext)
+ (math-trunc-special a math-trunc-prec))
((Math-integerp a) a)
((Math-looks-negp a)
(math-neg (math-trunc (math-neg a))))
((eq (car a) 'float)
(math-scale-int (nth 1 a) (nth 2 a)))
- (t (calc-extensions)
+ (t (require 'calc-ext)
(math-trunc-fancy a))))
(defalias 'calcFunc-trunc 'math-trunc)
;;; Coerce A to be an integer (by truncation toward minus infinity). [I N]
-(defun math-floor (a &optional prec) ; [Public]
- (cond (prec
- (calc-extensions)
- (math-floor-special a prec))
+
+;; The variable math-floor-prec is local to math-floor, but used by
+;; math-floor-fancy in calc-arith.el, which is called by math-floor.
+
+(defun math-floor (a &optional math-floor-prec) ; [Public]
+ (cond (math-floor-prec
+ (require 'calc-ext)
+ (math-floor-special a math-floor-prec))
((Math-integerp a) a)
((Math-messy-integerp a) (math-trunc a))
((Math-realp a)
(if (Math-negp a)
(math-add (math-trunc a) -1)
(math-trunc a)))
- (t (calc-extensions)
+ (t (require 'calc-ext)
(math-floor-fancy a))))
(defalias 'calcFunc-floor 'math-floor)
(defun calcFunc-inv (m)
(if (Math-vectorp m)
(progn
- (calc-extensions)
+ (require 'calc-ext)
(if (math-square-matrixp m)
(or (math-with-extra-prec 2 (math-matrix-inv-raw m))
(math-reject-arg m "*Singular matrix"))
(math-reject-arg m 'square-matrixp)))
- (math-div 1 m)))
-
+ (if (and
+ (require 'calc-arith)
+ (math-known-matrixp m))
+ (math-pow m -1)
+ (math-div 1 m))))
(defun math-do-working (msg arg)
(or executing-kbd-macro
(math-imod a b))
((and (Math-anglep a) (Math-anglep b))
(math-sub a (math-mul (math-floor (math-div a b)) b)))
- (t (calc-extensions)
+ (t (require 'calc-ext)
(math-mod-fancy a b))))
((Math-zerop a)
(if (and (Math-scalarp b) (Math-posp b))
(if (math-floatp b) (math-float a) a)
- (calc-extensions)
+ (require 'calc-ext)
(math-pow-of-zero a b)))
((or (eq a 1) (eq b 1)) a)
((or (equal a '(float 1 0)) (equal b '(float 1 0))) a)
(if (Math-scalarp a)
(if (or (math-floatp a) (math-floatp b))
'(float 1 0) 1)
- (calc-extensions)
+ (require 'calc-ext)
(math-pow-zero a b)))
((and (Math-integerp b) (or (Math-numberp a) (Math-vectorp a)))
(if (and (equal a '(float 1 1)) (integerp b))
(math-with-extra-prec 2
(math-ipow a b))))
(t
- (calc-extensions)
+ (require 'calc-ext)
(math-pow-fancy a b))))
(defun math-ipow (a n) ; [O O I] [Public]
" )))
(defalias 'calc-report-bug 'report-calc-bug)
+(provide 'calc-misc)
+
+;;; arch-tag: 7984d9d0-62e5-41dc-afb8-e904b975f250
;;; calc-misc.el ends here