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- ;; Calculator for GNU Emacs, part II [calc-incom.el]
- ;; Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
- ;; Written by Dave Gillespie, daveg@synaptics.com.
-
- ;; This file is part of GNU Emacs.
-
- ;; GNU Emacs is distributed in the hope that it will be useful,
- ;; but WITHOUT ANY WARRANTY. No author or distributor
- ;; accepts responsibility to anyone for the consequences of using it
- ;; or for whether it serves any particular purpose or works at all,
- ;; unless he says so in writing. Refer to the GNU Emacs General Public
- ;; License for full details.
-
- ;; Everyone is granted permission to copy, modify and redistribute
- ;; GNU Emacs, but only under the conditions described in the
- ;; GNU Emacs General Public License. A copy of this license is
- ;; supposed to have been given to you along with GNU Emacs so you
- ;; can know your rights and responsibilities. It should be in a
- ;; file named COPYING. Among other things, the copyright notice
- ;; and this notice must be preserved on all copies.
-
-
-
- ;; This file is autoloaded from calc-ext.el.
- (require 'calc-ext)
-
- (require 'calc-macs)
-
- (defun calc-Need-calc-incom () nil)
-
-
- ;;; Incomplete forms.
-
- (defun calc-begin-complex ()
- (interactive)
- (calc-wrapper
- (if (or calc-algebraic-mode calc-incomplete-algebraic-mode)
- (calc-alg-entry "(")
- (calc-push (list 'incomplete calc-complex-mode))))
- )
-
- (defun calc-end-complex ()
- (interactive)
- (calc-comma t)
- (calc-wrapper
- (let ((top (calc-top 1)))
- (if (and (eq (car-safe top) 'incomplete)
- (eq (nth 1 top) 'intv))
- (progn
- (if (< (length top) 4)
- (setq top (append top '((neg (var inf var-inf))))))
- (if (< (length top) 5)
- (setq top (append top '((var inf var-inf)))))
- (calc-enter-result 1 "..)" (cdr top)))
- (if (not (and (eq (car-safe top) 'incomplete)
- (memq (nth 1 top) '(cplx polar))))
- (error "Not entering a complex number"))
- (while (< (length top) 4)
- (setq top (append top '(0))))
- (if (not (and (math-realp (nth 2 top))
- (math-anglep (nth 3 top))))
- (error "Components must be real"))
- (calc-enter-result 1 "()" (cdr top)))))
- )
-
- (defun calc-begin-vector ()
- (interactive)
- (calc-wrapper
- (if (or calc-algebraic-mode calc-incomplete-algebraic-mode)
- (calc-alg-entry "[")
- (calc-push '(incomplete vec))))
- )
-
- (defun calc-end-vector ()
- (interactive)
- (calc-comma t)
- (calc-wrapper
- (let ((top (calc-top 1)))
- (if (and (eq (car-safe top) 'incomplete)
- (eq (nth 1 top) 'intv))
- (progn
- (if (< (length top) 4)
- (setq top (append top '((neg (var inf var-inf))))))
- (if (< (length top) 5)
- (setq top (append top '((var inf var-inf)))))
- (setcar (cdr (cdr top)) (1+ (nth 2 top)))
- (calc-enter-result 1 "..]" (cdr top)))
- (if (not (and (eq (car-safe top) 'incomplete)
- (eq (nth 1 top) 'vec)))
- (error "Not entering a vector"))
- (calc-pop-push-record 1 "[]" (cdr top)))))
- )
-
- (defun calc-comma (&optional allow-polar)
- (interactive)
- (calc-wrapper
- (let ((num (calc-find-first-incomplete
- (nthcdr calc-stack-top calc-stack) 1)))
- (if (= num 0)
- (error "Not entering a vector or complex number"))
- (let* ((inc (calc-top num))
- (stuff (calc-top-list (1- num)))
- (new (append inc stuff)))
- (if (and (null stuff)
- (not allow-polar)
- (or (eq (nth 1 inc) 'vec)
- (< (length new) 4)))
- (setq new (append new
- (if (= (length new) 2)
- '(0)
- (nthcdr (1- (length new)) new)))))
- (or allow-polar
- (if (eq (nth 1 new) 'polar)
- (setq new (append '(incomplete cplx) (cdr (cdr new))))
- (if (eq (nth 1 new) 'intv)
- (setq new (append '(incomplete cplx)
- (cdr (cdr (cdr new))))))))
- (if (and (memq (nth 1 new) '(cplx polar))
- (> (length new) 4))
- (error "Too many components in complex number"))
- (if (and (eq (nth 1 new) 'intv)
- (> (length new) 5))
- (error "Too many components in interval form"))
- (calc-pop-push num new))))
- )
-
- (defun calc-semi ()
- (interactive)
- (calc-wrapper
- (let ((num (calc-find-first-incomplete
- (nthcdr calc-stack-top calc-stack) 1)))
- (if (= num 0)
- (error "Not entering a vector or complex number"))
- (let ((inc (calc-top num))
- (stuff (calc-top-list (1- num))))
- (if (eq (nth 1 inc) 'cplx)
- (setq inc (append '(incomplete polar) (cdr (cdr inc))))
- (if (eq (nth 1 inc) 'intv)
- (setq inc (append '(incomplete polar) (cdr (cdr (cdr inc)))))))
- (cond ((eq (nth 1 inc) 'polar)
- (let ((new (append inc stuff)))
- (if (> (length new) 4)
- (error "Too many components in complex number")
- (if (= (length new) 2)
- (setq new (append new '(1)))))
- (calc-pop-push num new)))
- ((null stuff)
- (if (> (length inc) 2)
- (if (math-vectorp (nth 2 inc))
- (calc-comma)
- (calc-pop-push 1
- (list 'incomplete 'vec (cdr (cdr inc)))
- (list 'incomplete 'vec)))))
- ((math-vectorp (car stuff))
- (calc-comma))
- ((eq (car-safe (car-safe (nth (+ num calc-stack-top)
- calc-stack))) 'incomplete)
- (calc-end-vector)
- (calc-comma)
- (let ((calc-algebraic-mode nil)
- (calc-incomplete-algebraic-mode nil))
- (calc-begin-vector)))
- ((or (= (length inc) 2)
- (math-vectorp (nth 2 inc)))
- (calc-pop-push num
- (append inc (list (cons 'vec stuff)))
- (list 'incomplete 'vec)))
- (t
- (calc-pop-push num
- (list 'incomplete 'vec
- (cons 'vec (append (cdr (cdr inc)) stuff)))
- (list 'incomplete 'vec)))))))
- )
-
- (defun calc-digit-dots ()
- (if (eq calc-prev-char ?.)
- (progn
- (delete-backward-char 1)
- (if (calc-minibuffer-contains ".*\\.\\'")
- (delete-backward-char 1))
- (setq calc-prev-char 'dots
- last-command-char 32)
- (if calc-prev-prev-char
- (calcDigit-nondigit)
- (setq calc-digit-value nil)
- (erase-buffer)
- (exit-minibuffer)))
- ;; just ignore extra decimal point, anticipating ".."
- (delete-backward-char 1))
- )
-
- (defun calc-dots ()
- (interactive)
- (calc-wrapper
- (let ((num (calc-find-first-incomplete
- (nthcdr calc-stack-top calc-stack) 1)))
- (if (= num 0)
- (error "Not entering an interval form"))
- (let* ((inc (calc-top num))
- (stuff (calc-top-list (1- num)))
- (new (append inc stuff)))
- (if (not (eq (nth 1 new) 'intv))
- (setq new (append '(incomplete intv)
- (if (eq (nth 1 new) 'vec) '(2) '(0))
- (cdr (cdr new)))))
- (if (and (null stuff)
- (= (length new) 3))
- (setq new (append new '((neg (var inf var-inf))))))
- (if (> (length new) 5)
- (error "Too many components in interval form"))
- (calc-pop-push num new))))
- )
-
- (defun calc-find-first-incomplete (stack n)
- (cond ((null stack)
- 0)
- ((eq (car-safe (car-safe (car stack))) 'incomplete)
- n)
- (t
- (calc-find-first-incomplete (cdr stack) (1+ n))))
- )
-
- (defun calc-incomplete-error (a)
- (cond ((memq (nth 1 a) '(cplx polar))
- (error "Complex number is incomplete"))
- ((eq (nth 1 a) 'vec)
- (error "Vector is incomplete"))
- ((eq (nth 1 a) 'intv)
- (error "Interval form is incomplete"))
- (t (error "Object is incomplete")))
- )
-
-
-
-