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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, |
114f9c96 | 4 | ;; 2005, 2006, 2007, 2008, 2009, 2010 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 | ||
662c9c64 | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
7c671b23 | 12 | ;; it under the terms of the GNU General Public License as published by |
662c9c64 GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
7c671b23 | 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 | |
662c9c64 | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
136211a9 | 23 | |
3132f345 | 24 | ;;; Commentary: |
136211a9 | 25 | |
3132f345 | 26 | ;;; Code: |
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27 | |
28 | ;; This file is autoloaded from calc-ext.el. | |
136211a9 | 29 | |
c66b0f18 | 30 | (require 'calc-ext) |
136211a9 EZ |
31 | (require 'calc-macs) |
32 | ||
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33 | ;;; Incomplete forms. |
34 | ||
35 | (defun calc-begin-complex () | |
36 | (interactive) | |
37 | (calc-wrapper | |
38 | (if (or calc-algebraic-mode calc-incomplete-algebraic-mode) | |
39 | (calc-alg-entry "(") | |
bf77c646 | 40 | (calc-push (list 'incomplete calc-complex-mode))))) |
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41 | |
42 | (defun calc-end-complex () | |
43 | (interactive) | |
44 | (calc-comma t) | |
45 | (calc-wrapper | |
46 | (let ((top (calc-top 1))) | |
47 | (if (and (eq (car-safe top) 'incomplete) | |
48 | (eq (nth 1 top) 'intv)) | |
49 | (progn | |
50 | (if (< (length top) 4) | |
51 | (setq top (append top '((neg (var inf var-inf)))))) | |
52 | (if (< (length top) 5) | |
53 | (setq top (append top '((var inf var-inf))))) | |
54 | (calc-enter-result 1 "..)" (cdr top))) | |
55 | (if (not (and (eq (car-safe top) 'incomplete) | |
56 | (memq (nth 1 top) '(cplx polar)))) | |
57 | (error "Not entering a complex number")) | |
58 | (while (< (length top) 4) | |
59 | (setq top (append top '(0)))) | |
60 | (if (not (and (math-realp (nth 2 top)) | |
61 | (math-anglep (nth 3 top)))) | |
62 | (error "Components must be real")) | |
bf77c646 | 63 | (calc-enter-result 1 "()" (cdr top)))))) |
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64 | |
65 | (defun calc-begin-vector () | |
66 | (interactive) | |
67 | (calc-wrapper | |
68 | (if (or calc-algebraic-mode calc-incomplete-algebraic-mode) | |
69 | (calc-alg-entry "[") | |
bf77c646 | 70 | (calc-push '(incomplete vec))))) |
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71 | |
72 | (defun calc-end-vector () | |
73 | (interactive) | |
74 | (calc-comma t) | |
75 | (calc-wrapper | |
76 | (let ((top (calc-top 1))) | |
77 | (if (and (eq (car-safe top) 'incomplete) | |
78 | (eq (nth 1 top) 'intv)) | |
79 | (progn | |
80 | (if (< (length top) 4) | |
81 | (setq top (append top '((neg (var inf var-inf)))))) | |
82 | (if (< (length top) 5) | |
83 | (setq top (append top '((var inf var-inf))))) | |
84 | (setcar (cdr (cdr top)) (1+ (nth 2 top))) | |
85 | (calc-enter-result 1 "..]" (cdr top))) | |
86 | (if (not (and (eq (car-safe top) 'incomplete) | |
87 | (eq (nth 1 top) 'vec))) | |
88 | (error "Not entering a vector")) | |
bf77c646 | 89 | (calc-pop-push-record 1 "[]" (cdr top)))))) |
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90 | |
91 | (defun calc-comma (&optional allow-polar) | |
92 | (interactive) | |
93 | (calc-wrapper | |
94 | (let ((num (calc-find-first-incomplete | |
95 | (nthcdr calc-stack-top calc-stack) 1))) | |
96 | (if (= num 0) | |
97 | (error "Not entering a vector or complex number")) | |
98 | (let* ((inc (calc-top num)) | |
99 | (stuff (calc-top-list (1- num))) | |
100 | (new (append inc stuff))) | |
101 | (if (and (null stuff) | |
102 | (not allow-polar) | |
103 | (or (eq (nth 1 inc) 'vec) | |
104 | (< (length new) 4))) | |
105 | (setq new (append new | |
106 | (if (= (length new) 2) | |
107 | '(0) | |
108 | (nthcdr (1- (length new)) new))))) | |
109 | (or allow-polar | |
110 | (if (eq (nth 1 new) 'polar) | |
111 | (setq new (append '(incomplete cplx) (cdr (cdr new)))) | |
112 | (if (eq (nth 1 new) 'intv) | |
113 | (setq new (append '(incomplete cplx) | |
114 | (cdr (cdr (cdr new)))))))) | |
115 | (if (and (memq (nth 1 new) '(cplx polar)) | |
116 | (> (length new) 4)) | |
117 | (error "Too many components in complex number")) | |
118 | (if (and (eq (nth 1 new) 'intv) | |
119 | (> (length new) 5)) | |
120 | (error "Too many components in interval form")) | |
bf77c646 | 121 | (calc-pop-push num new))))) |
136211a9 EZ |
122 | |
123 | (defun calc-semi () | |
124 | (interactive) | |
125 | (calc-wrapper | |
126 | (let ((num (calc-find-first-incomplete | |
127 | (nthcdr calc-stack-top calc-stack) 1))) | |
128 | (if (= num 0) | |
129 | (error "Not entering a vector or complex number")) | |
130 | (let ((inc (calc-top num)) | |
131 | (stuff (calc-top-list (1- num)))) | |
132 | (if (eq (nth 1 inc) 'cplx) | |
133 | (setq inc (append '(incomplete polar) (cdr (cdr inc)))) | |
134 | (if (eq (nth 1 inc) 'intv) | |
135 | (setq inc (append '(incomplete polar) (cdr (cdr (cdr inc))))))) | |
136 | (cond ((eq (nth 1 inc) 'polar) | |
137 | (let ((new (append inc stuff))) | |
138 | (if (> (length new) 4) | |
139 | (error "Too many components in complex number") | |
140 | (if (= (length new) 2) | |
141 | (setq new (append new '(1))))) | |
142 | (calc-pop-push num new))) | |
143 | ((null stuff) | |
144 | (if (> (length inc) 2) | |
145 | (if (math-vectorp (nth 2 inc)) | |
146 | (calc-comma) | |
147 | (calc-pop-push 1 | |
148 | (list 'incomplete 'vec (cdr (cdr inc))) | |
149 | (list 'incomplete 'vec))))) | |
150 | ((math-vectorp (car stuff)) | |
151 | (calc-comma)) | |
152 | ((eq (car-safe (car-safe (nth (+ num calc-stack-top) | |
153 | calc-stack))) 'incomplete) | |
154 | (calc-end-vector) | |
155 | (calc-comma) | |
156 | (let ((calc-algebraic-mode nil) | |
157 | (calc-incomplete-algebraic-mode nil)) | |
158 | (calc-begin-vector))) | |
159 | ((or (= (length inc) 2) | |
160 | (math-vectorp (nth 2 inc))) | |
161 | (calc-pop-push num | |
162 | (append inc (list (cons 'vec stuff))) | |
163 | (list 'incomplete 'vec))) | |
164 | (t | |
165 | (calc-pop-push num | |
166 | (list 'incomplete 'vec | |
167 | (cons 'vec (append (cdr (cdr inc)) stuff))) | |
bf77c646 | 168 | (list 'incomplete 'vec)))))))) |
136211a9 | 169 | |
53cbeb3d JB |
170 | ;; The following variables are initially declared in calc.el, |
171 | ;; but are used by calc-digit-dots. | |
172 | (defvar calc-prev-char) | |
173 | (defvar calc-prev-prev-char) | |
174 | (defvar calc-digit-value) | |
175 | ||
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176 | (defun calc-digit-dots () |
177 | (if (eq calc-prev-char ?.) | |
178 | (progn | |
d355a0b7 | 179 | (delete-char -1) |
136211a9 | 180 | (if (calc-minibuffer-contains ".*\\.\\'") |
d355a0b7 | 181 | (delete-char -1)) |
136211a9 | 182 | (setq calc-prev-char 'dots |
e93c003e | 183 | last-command-event 32) |
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184 | (if calc-prev-prev-char |
185 | (calcDigit-nondigit) | |
186 | (setq calc-digit-value nil) | |
b89c5b71 JB |
187 | (let ((inhibit-read-only t)) |
188 | (erase-buffer)) | |
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189 | (exit-minibuffer))) |
190 | ;; just ignore extra decimal point, anticipating ".." | |
d355a0b7 | 191 | (delete-char -1))) |
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192 | |
193 | (defun calc-dots () | |
194 | (interactive) | |
195 | (calc-wrapper | |
196 | (let ((num (calc-find-first-incomplete | |
197 | (nthcdr calc-stack-top calc-stack) 1))) | |
198 | (if (= num 0) | |
199 | (error "Not entering an interval form")) | |
200 | (let* ((inc (calc-top num)) | |
201 | (stuff (calc-top-list (1- num))) | |
202 | (new (append inc stuff))) | |
203 | (if (not (eq (nth 1 new) 'intv)) | |
204 | (setq new (append '(incomplete intv) | |
205 | (if (eq (nth 1 new) 'vec) '(2) '(0)) | |
206 | (cdr (cdr new))))) | |
207 | (if (and (null stuff) | |
208 | (= (length new) 3)) | |
209 | (setq new (append new '((neg (var inf var-inf)))))) | |
210 | (if (> (length new) 5) | |
211 | (error "Too many components in interval form")) | |
bf77c646 | 212 | (calc-pop-push num new))))) |
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213 | |
214 | (defun calc-find-first-incomplete (stack n) | |
215 | (cond ((null stack) | |
216 | 0) | |
217 | ((eq (car-safe (car-safe (car stack))) 'incomplete) | |
218 | n) | |
219 | (t | |
bf77c646 | 220 | (calc-find-first-incomplete (cdr stack) (1+ n))))) |
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221 | |
222 | (defun calc-incomplete-error (a) | |
223 | (cond ((memq (nth 1 a) '(cplx polar)) | |
224 | (error "Complex number is incomplete")) | |
225 | ((eq (nth 1 a) 'vec) | |
226 | (error "Vector is incomplete")) | |
227 | ((eq (nth 1 a) 'intv) | |
228 | (error "Interval form is incomplete")) | |
bf77c646 | 229 | (t (error "Object is incomplete")))) |
136211a9 | 230 | |
c66b0f18 JB |
231 | (provide 'calc-incom) |
232 | ||
cbee283d | 233 | ;; arch-tag: b8001270-4dc7-481b-a3e3-a952e19b390d |
bf77c646 | 234 | ;;; calc-incom.el ends here |