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1 | ;;; calc-incom.el --- complex data type input functions for Calc |
2 | ||
58ba2f8f | 3 | ;; Copyright (C) 1990, 1991, 1992, 1993, 2001, 2002, 2003, 2004, |
8b72699e | 4 | ;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
3132f345 CW |
5 | |
6 | ;; Author: David Gillespie <daveg@synaptics.com> | |
e8fff8ed | 7 | ;; Maintainer: Jay Belanger <jay.p.belanger@gmail.com> |
136211a9 EZ |
8 | |
9 | ;; This file is part of GNU Emacs. | |
10 | ||
7c671b23 GM |
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
12 | ;; it under the terms of the GNU General Public License as published by | |
075969b4 | 13 | ;; the Free Software Foundation; either version 3, or (at your option) |
7c671b23 GM |
14 | ;; any later version. |
15 | ||
136211a9 | 16 | ;; GNU Emacs is distributed in the hope that it will be useful, |
7c671b23 GM |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
23 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
24 | ;; Boston, MA 02110-1301, USA. | |
136211a9 | 25 | |
3132f345 | 26 | ;;; Commentary: |
136211a9 | 27 | |
3132f345 | 28 | ;;; Code: |
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29 | |
30 | ;; This file is autoloaded from calc-ext.el. | |
136211a9 | 31 | |
c66b0f18 | 32 | (require 'calc-ext) |
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33 | (require 'calc-macs) |
34 | ||
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35 | ;;; Incomplete forms. |
36 | ||
37 | (defun calc-begin-complex () | |
38 | (interactive) | |
39 | (calc-wrapper | |
40 | (if (or calc-algebraic-mode calc-incomplete-algebraic-mode) | |
41 | (calc-alg-entry "(") | |
bf77c646 | 42 | (calc-push (list 'incomplete calc-complex-mode))))) |
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43 | |
44 | (defun calc-end-complex () | |
45 | (interactive) | |
46 | (calc-comma t) | |
47 | (calc-wrapper | |
48 | (let ((top (calc-top 1))) | |
49 | (if (and (eq (car-safe top) 'incomplete) | |
50 | (eq (nth 1 top) 'intv)) | |
51 | (progn | |
52 | (if (< (length top) 4) | |
53 | (setq top (append top '((neg (var inf var-inf)))))) | |
54 | (if (< (length top) 5) | |
55 | (setq top (append top '((var inf var-inf))))) | |
56 | (calc-enter-result 1 "..)" (cdr top))) | |
57 | (if (not (and (eq (car-safe top) 'incomplete) | |
58 | (memq (nth 1 top) '(cplx polar)))) | |
59 | (error "Not entering a complex number")) | |
60 | (while (< (length top) 4) | |
61 | (setq top (append top '(0)))) | |
62 | (if (not (and (math-realp (nth 2 top)) | |
63 | (math-anglep (nth 3 top)))) | |
64 | (error "Components must be real")) | |
bf77c646 | 65 | (calc-enter-result 1 "()" (cdr top)))))) |
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66 | |
67 | (defun calc-begin-vector () | |
68 | (interactive) | |
69 | (calc-wrapper | |
70 | (if (or calc-algebraic-mode calc-incomplete-algebraic-mode) | |
71 | (calc-alg-entry "[") | |
bf77c646 | 72 | (calc-push '(incomplete vec))))) |
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73 | |
74 | (defun calc-end-vector () | |
75 | (interactive) | |
76 | (calc-comma t) | |
77 | (calc-wrapper | |
78 | (let ((top (calc-top 1))) | |
79 | (if (and (eq (car-safe top) 'incomplete) | |
80 | (eq (nth 1 top) 'intv)) | |
81 | (progn | |
82 | (if (< (length top) 4) | |
83 | (setq top (append top '((neg (var inf var-inf)))))) | |
84 | (if (< (length top) 5) | |
85 | (setq top (append top '((var inf var-inf))))) | |
86 | (setcar (cdr (cdr top)) (1+ (nth 2 top))) | |
87 | (calc-enter-result 1 "..]" (cdr top))) | |
88 | (if (not (and (eq (car-safe top) 'incomplete) | |
89 | (eq (nth 1 top) 'vec))) | |
90 | (error "Not entering a vector")) | |
bf77c646 | 91 | (calc-pop-push-record 1 "[]" (cdr top)))))) |
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92 | |
93 | (defun calc-comma (&optional allow-polar) | |
94 | (interactive) | |
95 | (calc-wrapper | |
96 | (let ((num (calc-find-first-incomplete | |
97 | (nthcdr calc-stack-top calc-stack) 1))) | |
98 | (if (= num 0) | |
99 | (error "Not entering a vector or complex number")) | |
100 | (let* ((inc (calc-top num)) | |
101 | (stuff (calc-top-list (1- num))) | |
102 | (new (append inc stuff))) | |
103 | (if (and (null stuff) | |
104 | (not allow-polar) | |
105 | (or (eq (nth 1 inc) 'vec) | |
106 | (< (length new) 4))) | |
107 | (setq new (append new | |
108 | (if (= (length new) 2) | |
109 | '(0) | |
110 | (nthcdr (1- (length new)) new))))) | |
111 | (or allow-polar | |
112 | (if (eq (nth 1 new) 'polar) | |
113 | (setq new (append '(incomplete cplx) (cdr (cdr new)))) | |
114 | (if (eq (nth 1 new) 'intv) | |
115 | (setq new (append '(incomplete cplx) | |
116 | (cdr (cdr (cdr new)))))))) | |
117 | (if (and (memq (nth 1 new) '(cplx polar)) | |
118 | (> (length new) 4)) | |
119 | (error "Too many components in complex number")) | |
120 | (if (and (eq (nth 1 new) 'intv) | |
121 | (> (length new) 5)) | |
122 | (error "Too many components in interval form")) | |
bf77c646 | 123 | (calc-pop-push num new))))) |
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124 | |
125 | (defun calc-semi () | |
126 | (interactive) | |
127 | (calc-wrapper | |
128 | (let ((num (calc-find-first-incomplete | |
129 | (nthcdr calc-stack-top calc-stack) 1))) | |
130 | (if (= num 0) | |
131 | (error "Not entering a vector or complex number")) | |
132 | (let ((inc (calc-top num)) | |
133 | (stuff (calc-top-list (1- num)))) | |
134 | (if (eq (nth 1 inc) 'cplx) | |
135 | (setq inc (append '(incomplete polar) (cdr (cdr inc)))) | |
136 | (if (eq (nth 1 inc) 'intv) | |
137 | (setq inc (append '(incomplete polar) (cdr (cdr (cdr inc))))))) | |
138 | (cond ((eq (nth 1 inc) 'polar) | |
139 | (let ((new (append inc stuff))) | |
140 | (if (> (length new) 4) | |
141 | (error "Too many components in complex number") | |
142 | (if (= (length new) 2) | |
143 | (setq new (append new '(1))))) | |
144 | (calc-pop-push num new))) | |
145 | ((null stuff) | |
146 | (if (> (length inc) 2) | |
147 | (if (math-vectorp (nth 2 inc)) | |
148 | (calc-comma) | |
149 | (calc-pop-push 1 | |
150 | (list 'incomplete 'vec (cdr (cdr inc))) | |
151 | (list 'incomplete 'vec))))) | |
152 | ((math-vectorp (car stuff)) | |
153 | (calc-comma)) | |
154 | ((eq (car-safe (car-safe (nth (+ num calc-stack-top) | |
155 | calc-stack))) 'incomplete) | |
156 | (calc-end-vector) | |
157 | (calc-comma) | |
158 | (let ((calc-algebraic-mode nil) | |
159 | (calc-incomplete-algebraic-mode nil)) | |
160 | (calc-begin-vector))) | |
161 | ((or (= (length inc) 2) | |
162 | (math-vectorp (nth 2 inc))) | |
163 | (calc-pop-push num | |
164 | (append inc (list (cons 'vec stuff))) | |
165 | (list 'incomplete 'vec))) | |
166 | (t | |
167 | (calc-pop-push num | |
168 | (list 'incomplete 'vec | |
169 | (cons 'vec (append (cdr (cdr inc)) stuff))) | |
bf77c646 | 170 | (list 'incomplete 'vec)))))))) |
136211a9 | 171 | |
53cbeb3d JB |
172 | ;; The following variables are initially declared in calc.el, |
173 | ;; but are used by calc-digit-dots. | |
174 | (defvar calc-prev-char) | |
175 | (defvar calc-prev-prev-char) | |
176 | (defvar calc-digit-value) | |
177 | ||
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178 | (defun calc-digit-dots () |
179 | (if (eq calc-prev-char ?.) | |
180 | (progn | |
181 | (delete-backward-char 1) | |
182 | (if (calc-minibuffer-contains ".*\\.\\'") | |
183 | (delete-backward-char 1)) | |
184 | (setq calc-prev-char 'dots | |
185 | last-command-char 32) | |
186 | (if calc-prev-prev-char | |
187 | (calcDigit-nondigit) | |
188 | (setq calc-digit-value nil) | |
b89c5b71 JB |
189 | (let ((inhibit-read-only t)) |
190 | (erase-buffer)) | |
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191 | (exit-minibuffer))) |
192 | ;; just ignore extra decimal point, anticipating ".." | |
bf77c646 | 193 | (delete-backward-char 1))) |
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194 | |
195 | (defun calc-dots () | |
196 | (interactive) | |
197 | (calc-wrapper | |
198 | (let ((num (calc-find-first-incomplete | |
199 | (nthcdr calc-stack-top calc-stack) 1))) | |
200 | (if (= num 0) | |
201 | (error "Not entering an interval form")) | |
202 | (let* ((inc (calc-top num)) | |
203 | (stuff (calc-top-list (1- num))) | |
204 | (new (append inc stuff))) | |
205 | (if (not (eq (nth 1 new) 'intv)) | |
206 | (setq new (append '(incomplete intv) | |
207 | (if (eq (nth 1 new) 'vec) '(2) '(0)) | |
208 | (cdr (cdr new))))) | |
209 | (if (and (null stuff) | |
210 | (= (length new) 3)) | |
211 | (setq new (append new '((neg (var inf var-inf)))))) | |
212 | (if (> (length new) 5) | |
213 | (error "Too many components in interval form")) | |
bf77c646 | 214 | (calc-pop-push num new))))) |
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215 | |
216 | (defun calc-find-first-incomplete (stack n) | |
217 | (cond ((null stack) | |
218 | 0) | |
219 | ((eq (car-safe (car-safe (car stack))) 'incomplete) | |
220 | n) | |
221 | (t | |
bf77c646 | 222 | (calc-find-first-incomplete (cdr stack) (1+ n))))) |
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223 | |
224 | (defun calc-incomplete-error (a) | |
225 | (cond ((memq (nth 1 a) '(cplx polar)) | |
226 | (error "Complex number is incomplete")) | |
227 | ((eq (nth 1 a) 'vec) | |
228 | (error "Vector is incomplete")) | |
229 | ((eq (nth 1 a) 'intv) | |
230 | (error "Interval form is incomplete")) | |
bf77c646 | 231 | (t (error "Object is incomplete")))) |
136211a9 | 232 | |
c66b0f18 JB |
233 | (provide 'calc-incom) |
234 | ||
cbee283d | 235 | ;; arch-tag: b8001270-4dc7-481b-a3e3-a952e19b390d |
bf77c646 | 236 | ;;; calc-incom.el ends here |