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-rw-r--r--lisp/calc/calc-misc.el63
1 files changed, 36 insertions, 27 deletions
diff --git a/lisp/calc/calc-misc.el b/lisp/calc/calc-misc.el
index 159b1ee3178..8040d28d083 100644
--- a/lisp/calc/calc-misc.el
+++ b/lisp/calc/calc-misc.el
@@ -3,8 +3,7 @@
;; Copyright (C) 1990, 1991, 1992, 1993, 2001 Free Software Foundation, Inc.
;; Author: David Gillespie <daveg@synaptics.com>
-;; Maintainers: D. Goel <deego@gnufans.org>
-;; Colin Walters <walters@debian.org>
+;; Maintainer: Jay Belanger <belanger@truman.edu>
;; This file is part of GNU Emacs.
@@ -28,13 +27,10 @@
;;; 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:
@@ -232,6 +228,9 @@ Calc user interface as before (either M-# C or M-# K; initially M-# C)."
;;;; 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
@@ -243,7 +242,7 @@ Calc user interface as before (either M-# C or M-# K; initially M-# C)."
(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)
@@ -329,14 +328,14 @@ Calc user interface as before (either M-# C or M-# K; initially M-# C)."
(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 '^))))
@@ -418,7 +417,7 @@ Calc user interface as before (either M-# C or M-# K; initially M-# C)."
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)
@@ -426,7 +425,7 @@ loaded and the keystroke automatically re-typed."
(defun calc-shift-Y-prefix-help ()
(interactive)
- (calc-extensions)
+ (require 'calc-ext)
(calc-do-prefix-help calc-Y-help-msgs "other" ?Y))
@@ -465,7 +464,7 @@ loaded and the keystroke automatically re-typed."
(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)
@@ -593,31 +592,39 @@ loaded and the keystroke automatically re-typed."
;;; 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)
@@ -633,7 +640,7 @@ loaded and the keystroke automatically re-typed."
(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"))
@@ -663,7 +670,7 @@ loaded and the keystroke automatically re-typed."
(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))))
@@ -676,7 +683,7 @@ loaded and the keystroke automatically re-typed."
((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)
@@ -684,7 +691,7 @@ loaded and the keystroke automatically re-typed."
(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))
@@ -692,7 +699,7 @@ loaded and the keystroke automatically re-typed."
(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]
@@ -750,5 +757,7 @@ doing 'M-x toggle-debug-on-error', then reproducing the bug.
" )))
(defalias 'calc-report-bug 'report-calc-bug)
+(provide 'calc-misc)
+
;;; arch-tag: 7984d9d0-62e5-41dc-afb8-e904b975f250
;;; calc-misc.el ends here