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3132f345 CW |
1 | ;;; calc-incom.el --- complex data type input functions for Calc |
2 | ||
bf77c646 | 3 | ;; Copyright (C) 1990, 1991, 1992, 1993, 2001 Free Software Foundation, Inc. |
3132f345 CW |
4 | |
5 | ;; Author: David Gillespie <daveg@synaptics.com> | |
a1506d29 | 6 | ;; Maintainers: D. Goel <deego@gnufans.org> |
6e1c888a | 7 | ;; Colin Walters <walters@debian.org> |
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8 | |
9 | ;; This file is part of GNU Emacs. | |
10 | ||
11 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
12 | ;; but WITHOUT ANY WARRANTY. No author or distributor | |
13 | ;; accepts responsibility to anyone for the consequences of using it | |
14 | ;; or for whether it serves any particular purpose or works at all, | |
15 | ;; unless he says so in writing. Refer to the GNU Emacs General Public | |
16 | ;; License for full details. | |
17 | ||
18 | ;; Everyone is granted permission to copy, modify and redistribute | |
19 | ;; GNU Emacs, but only under the conditions described in the | |
20 | ;; GNU Emacs General Public License. A copy of this license is | |
21 | ;; supposed to have been given to you along with GNU Emacs so you | |
22 | ;; can know your rights and responsibilities. It should be in a | |
23 | ;; file named COPYING. Among other things, the copyright notice | |
24 | ;; and this notice must be preserved on all copies. | |
25 | ||
3132f345 | 26 | ;;; Commentary: |
136211a9 | 27 | |
3132f345 | 28 | ;;; Code: |
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29 | |
30 | ;; This file is autoloaded from calc-ext.el. | |
31 | (require 'calc-ext) | |
32 | ||
33 | (require 'calc-macs) | |
34 | ||
35 | (defun calc-Need-calc-incom () nil) | |
36 | ||
37 | ||
38 | ;;; Incomplete forms. | |
39 | ||
40 | (defun calc-begin-complex () | |
41 | (interactive) | |
42 | (calc-wrapper | |
43 | (if (or calc-algebraic-mode calc-incomplete-algebraic-mode) | |
44 | (calc-alg-entry "(") | |
bf77c646 | 45 | (calc-push (list 'incomplete calc-complex-mode))))) |
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46 | |
47 | (defun calc-end-complex () | |
48 | (interactive) | |
49 | (calc-comma t) | |
50 | (calc-wrapper | |
51 | (let ((top (calc-top 1))) | |
52 | (if (and (eq (car-safe top) 'incomplete) | |
53 | (eq (nth 1 top) 'intv)) | |
54 | (progn | |
55 | (if (< (length top) 4) | |
56 | (setq top (append top '((neg (var inf var-inf)))))) | |
57 | (if (< (length top) 5) | |
58 | (setq top (append top '((var inf var-inf))))) | |
59 | (calc-enter-result 1 "..)" (cdr top))) | |
60 | (if (not (and (eq (car-safe top) 'incomplete) | |
61 | (memq (nth 1 top) '(cplx polar)))) | |
62 | (error "Not entering a complex number")) | |
63 | (while (< (length top) 4) | |
64 | (setq top (append top '(0)))) | |
65 | (if (not (and (math-realp (nth 2 top)) | |
66 | (math-anglep (nth 3 top)))) | |
67 | (error "Components must be real")) | |
bf77c646 | 68 | (calc-enter-result 1 "()" (cdr top)))))) |
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69 | |
70 | (defun calc-begin-vector () | |
71 | (interactive) | |
72 | (calc-wrapper | |
73 | (if (or calc-algebraic-mode calc-incomplete-algebraic-mode) | |
74 | (calc-alg-entry "[") | |
bf77c646 | 75 | (calc-push '(incomplete vec))))) |
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76 | |
77 | (defun calc-end-vector () | |
78 | (interactive) | |
79 | (calc-comma t) | |
80 | (calc-wrapper | |
81 | (let ((top (calc-top 1))) | |
82 | (if (and (eq (car-safe top) 'incomplete) | |
83 | (eq (nth 1 top) 'intv)) | |
84 | (progn | |
85 | (if (< (length top) 4) | |
86 | (setq top (append top '((neg (var inf var-inf)))))) | |
87 | (if (< (length top) 5) | |
88 | (setq top (append top '((var inf var-inf))))) | |
89 | (setcar (cdr (cdr top)) (1+ (nth 2 top))) | |
90 | (calc-enter-result 1 "..]" (cdr top))) | |
91 | (if (not (and (eq (car-safe top) 'incomplete) | |
92 | (eq (nth 1 top) 'vec))) | |
93 | (error "Not entering a vector")) | |
bf77c646 | 94 | (calc-pop-push-record 1 "[]" (cdr top)))))) |
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95 | |
96 | (defun calc-comma (&optional allow-polar) | |
97 | (interactive) | |
98 | (calc-wrapper | |
99 | (let ((num (calc-find-first-incomplete | |
100 | (nthcdr calc-stack-top calc-stack) 1))) | |
101 | (if (= num 0) | |
102 | (error "Not entering a vector or complex number")) | |
103 | (let* ((inc (calc-top num)) | |
104 | (stuff (calc-top-list (1- num))) | |
105 | (new (append inc stuff))) | |
106 | (if (and (null stuff) | |
107 | (not allow-polar) | |
108 | (or (eq (nth 1 inc) 'vec) | |
109 | (< (length new) 4))) | |
110 | (setq new (append new | |
111 | (if (= (length new) 2) | |
112 | '(0) | |
113 | (nthcdr (1- (length new)) new))))) | |
114 | (or allow-polar | |
115 | (if (eq (nth 1 new) 'polar) | |
116 | (setq new (append '(incomplete cplx) (cdr (cdr new)))) | |
117 | (if (eq (nth 1 new) 'intv) | |
118 | (setq new (append '(incomplete cplx) | |
119 | (cdr (cdr (cdr new)))))))) | |
120 | (if (and (memq (nth 1 new) '(cplx polar)) | |
121 | (> (length new) 4)) | |
122 | (error "Too many components in complex number")) | |
123 | (if (and (eq (nth 1 new) 'intv) | |
124 | (> (length new) 5)) | |
125 | (error "Too many components in interval form")) | |
bf77c646 | 126 | (calc-pop-push num new))))) |
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127 | |
128 | (defun calc-semi () | |
129 | (interactive) | |
130 | (calc-wrapper | |
131 | (let ((num (calc-find-first-incomplete | |
132 | (nthcdr calc-stack-top calc-stack) 1))) | |
133 | (if (= num 0) | |
134 | (error "Not entering a vector or complex number")) | |
135 | (let ((inc (calc-top num)) | |
136 | (stuff (calc-top-list (1- num)))) | |
137 | (if (eq (nth 1 inc) 'cplx) | |
138 | (setq inc (append '(incomplete polar) (cdr (cdr inc)))) | |
139 | (if (eq (nth 1 inc) 'intv) | |
140 | (setq inc (append '(incomplete polar) (cdr (cdr (cdr inc))))))) | |
141 | (cond ((eq (nth 1 inc) 'polar) | |
142 | (let ((new (append inc stuff))) | |
143 | (if (> (length new) 4) | |
144 | (error "Too many components in complex number") | |
145 | (if (= (length new) 2) | |
146 | (setq new (append new '(1))))) | |
147 | (calc-pop-push num new))) | |
148 | ((null stuff) | |
149 | (if (> (length inc) 2) | |
150 | (if (math-vectorp (nth 2 inc)) | |
151 | (calc-comma) | |
152 | (calc-pop-push 1 | |
153 | (list 'incomplete 'vec (cdr (cdr inc))) | |
154 | (list 'incomplete 'vec))))) | |
155 | ((math-vectorp (car stuff)) | |
156 | (calc-comma)) | |
157 | ((eq (car-safe (car-safe (nth (+ num calc-stack-top) | |
158 | calc-stack))) 'incomplete) | |
159 | (calc-end-vector) | |
160 | (calc-comma) | |
161 | (let ((calc-algebraic-mode nil) | |
162 | (calc-incomplete-algebraic-mode nil)) | |
163 | (calc-begin-vector))) | |
164 | ((or (= (length inc) 2) | |
165 | (math-vectorp (nth 2 inc))) | |
166 | (calc-pop-push num | |
167 | (append inc (list (cons 'vec stuff))) | |
168 | (list 'incomplete 'vec))) | |
169 | (t | |
170 | (calc-pop-push num | |
171 | (list 'incomplete 'vec | |
172 | (cons 'vec (append (cdr (cdr inc)) stuff))) | |
bf77c646 | 173 | (list 'incomplete 'vec)))))))) |
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174 | |
175 | (defun calc-digit-dots () | |
176 | (if (eq calc-prev-char ?.) | |
177 | (progn | |
178 | (delete-backward-char 1) | |
179 | (if (calc-minibuffer-contains ".*\\.\\'") | |
180 | (delete-backward-char 1)) | |
181 | (setq calc-prev-char 'dots | |
182 | last-command-char 32) | |
183 | (if calc-prev-prev-char | |
184 | (calcDigit-nondigit) | |
185 | (setq calc-digit-value nil) | |
186 | (erase-buffer) | |
187 | (exit-minibuffer))) | |
188 | ;; just ignore extra decimal point, anticipating ".." | |
bf77c646 | 189 | (delete-backward-char 1))) |
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190 | |
191 | (defun calc-dots () | |
192 | (interactive) | |
193 | (calc-wrapper | |
194 | (let ((num (calc-find-first-incomplete | |
195 | (nthcdr calc-stack-top calc-stack) 1))) | |
196 | (if (= num 0) | |
197 | (error "Not entering an interval form")) | |
198 | (let* ((inc (calc-top num)) | |
199 | (stuff (calc-top-list (1- num))) | |
200 | (new (append inc stuff))) | |
201 | (if (not (eq (nth 1 new) 'intv)) | |
202 | (setq new (append '(incomplete intv) | |
203 | (if (eq (nth 1 new) 'vec) '(2) '(0)) | |
204 | (cdr (cdr new))))) | |
205 | (if (and (null stuff) | |
206 | (= (length new) 3)) | |
207 | (setq new (append new '((neg (var inf var-inf)))))) | |
208 | (if (> (length new) 5) | |
209 | (error "Too many components in interval form")) | |
bf77c646 | 210 | (calc-pop-push num new))))) |
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211 | |
212 | (defun calc-find-first-incomplete (stack n) | |
213 | (cond ((null stack) | |
214 | 0) | |
215 | ((eq (car-safe (car-safe (car stack))) 'incomplete) | |
216 | n) | |
217 | (t | |
bf77c646 | 218 | (calc-find-first-incomplete (cdr stack) (1+ n))))) |
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219 | |
220 | (defun calc-incomplete-error (a) | |
221 | (cond ((memq (nth 1 a) '(cplx polar)) | |
222 | (error "Complex number is incomplete")) | |
223 | ((eq (nth 1 a) 'vec) | |
224 | (error "Vector is incomplete")) | |
225 | ((eq (nth 1 a) 'intv) | |
226 | (error "Interval form is incomplete")) | |
bf77c646 | 227 | (t (error "Object is incomplete")))) |
136211a9 | 228 | |
ab5796a9 | 229 | ;;; arch-tag: b8001270-4dc7-481b-a3e3-a952e19b390d |
bf77c646 | 230 | ;;; calc-incom.el ends here |