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3132f345 CW |
1 | ;;; calccomp.el --- composition 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: |
136211a9 EZ |
27 | |
28 | ;; This file is autoloaded from calc-ext.el. | |
136211a9 | 29 | |
cfd31ee4 | 30 | (require 'calc-ext) |
136211a9 EZ |
31 | (require 'calc-macs) |
32 | ||
136211a9 EZ |
33 | ;;; A "composition" has one of the following forms: |
34 | ;;; | |
35 | ;;; "string" A literal string | |
36 | ;;; | |
37 | ;;; (horiz C1 C2 ...) Horizontally abutted sub-compositions | |
38 | ;;; | |
39 | ;;; (set LEVEL OFF) Set left margin + offset for line-break level | |
40 | ;;; (break LEVEL) A potential line-break point | |
41 | ;;; | |
42 | ;;; (vleft N C1 C2 ...) Vertically stacked, left-justified sub-comps | |
43 | ;;; (vcent N C1 C2 ...) Vertically stacked, centered sub-comps | |
44 | ;;; (vright N C1 C2 ...) Vertically stacked, right-justified sub-comps | |
45 | ;;; N specifies baseline of the stack, 0=top line. | |
46 | ;;; | |
47 | ;;; (supscr C1 C2) Composition C1 with superscript C2 | |
48 | ;;; (subscr C1 C2) Composition C1 with subscript C2 | |
49 | ;;; (rule X) Horizontal line of X, full width of enclosing comp | |
50 | ;;; | |
51 | ;;; (tag X C) Composition C corresponds to sub-expression X | |
52 | ||
fdcf8e2b JB |
53 | ;; math-comp-just and math-comp-comma-spc are local to |
54 | ;; math-compose-expr, but are used by math-compose-matrix, which is | |
55 | ;; called by math-compose-expr | |
56 | (defvar math-comp-just) | |
57 | (defvar math-comp-comma-spc) | |
58 | ||
59 | ;; math-comp-vector-prec is local to math-compose-expr, but is used by | |
60 | ;; math-compose-matrix and math-compose-rows, which are called by | |
61 | ;; math-compose-expr. | |
62 | (defvar math-comp-vector-prec) | |
63 | ||
64 | ;; math-comp-left-bracket, math-comp-right-bracket and math-comp-comma are | |
65 | ;; local to math-compose-expr, but are used by math-compose-rows, which is | |
66 | ;; called by math-compose-expr. | |
67 | (defvar math-comp-left-bracket) | |
68 | (defvar math-comp-right-bracket) | |
69 | (defvar math-comp-comma) | |
70 | ||
2b8a3002 | 71 | (defun math-compose-var (a) |
28d88201 | 72 | (let (v sn) |
2b8a3002 JB |
73 | (if (and math-compose-hash-args |
74 | (let ((p calc-arg-values)) | |
75 | (setq v 1) | |
76 | (while (and p (not (equal (car p) a))) | |
77 | (setq p (and (eq math-compose-hash-args t) (cdr p)) | |
78 | v (1+ v))) | |
79 | p)) | |
80 | (if (eq math-compose-hash-args 1) | |
81 | "#" | |
82 | (format "#%d" v)) | |
28d88201 JB |
83 | (setq sn (symbol-name (nth 1 a))) |
84 | (if (memq calc-language calc-lang-allow-percentsigns) | |
85 | (setq sn (math-to-percentsigns sn))) | |
2b8a3002 | 86 | (if (memq calc-language calc-lang-allow-underscores) |
28d88201 JB |
87 | (setq sn (math-to-underscores sn))) |
88 | sn))) | |
fdcf8e2b | 89 | |
136211a9 | 90 | (defun math-compose-expr (a prec) |
ddaad609 | 91 | (let ((math-compose-level (1+ math-compose-level)) |
b20c4725 | 92 | (math-expr-opers (math-expr-ops)) |
ddaad609 | 93 | spfn) |
136211a9 EZ |
94 | (cond |
95 | ((or (and (eq a math-comp-selected) a) | |
96 | (and math-comp-tagged | |
97 | (not (eq math-comp-tagged a)))) | |
98 | (let ((math-comp-selected nil)) | |
99 | (and math-comp-tagged (setq math-comp-tagged a)) | |
100 | (list 'tag a (math-compose-expr a prec)))) | |
101 | ((and (not (consp a)) (not (integerp a))) | |
102 | (concat "'" (prin1-to-string a))) | |
018f0ad2 JB |
103 | ((setq spfn (assq (car-safe a) |
104 | (get calc-language 'math-special-function-table))) | |
ddaad609 | 105 | (setq spfn (cdr spfn)) |
018f0ad2 JB |
106 | (if (consp spfn) |
107 | (funcall (car spfn) a spfn) | |
108 | (funcall spfn a))) | |
136211a9 EZ |
109 | ((math-scalarp a) |
110 | (if (or (eq (car-safe a) 'frac) | |
111 | (and (nth 1 calc-frac-format) (Math-integerp a))) | |
018f0ad2 JB |
112 | (if (and |
113 | calc-language | |
114 | (not (memq calc-language | |
115 | '(flat big unform)))) | |
136211a9 EZ |
116 | (let ((aa (math-adjust-fraction a)) |
117 | (calc-frac-format nil)) | |
118 | (math-compose-expr (list '/ | |
018f0ad2 JB |
119 | (if (memq calc-language |
120 | calc-lang-slash-idiv) | |
136211a9 EZ |
121 | (math-float (nth 1 aa)) |
122 | (nth 1 aa)) | |
123 | (nth 2 aa)) prec)) | |
124 | (if (and (eq calc-language 'big) | |
125 | (= (length (car calc-frac-format)) 1)) | |
126 | (let* ((aa (math-adjust-fraction a)) | |
127 | (calc-frac-format nil) | |
128 | (math-radix-explicit-format nil) | |
129 | (c (list 'horiz | |
130 | (if (math-negp (nth 1 aa)) | |
131 | "- " "") | |
132 | (list 'vcent 1 | |
133 | (math-format-number | |
134 | (math-abs (nth 1 aa))) | |
135 | '(rule ?-) | |
136 | (math-format-number (nth 2 aa)))))) | |
137 | (if (= calc-number-radix 10) | |
138 | c | |
139 | (list 'horiz "(" c | |
140 | (list 'subscr ")" | |
141 | (int-to-string calc-number-radix))))) | |
142 | (math-format-number a))) | |
143 | (if (not (eq calc-language 'big)) | |
144 | (math-format-number a prec) | |
145 | (if (memq (car-safe a) '(cplx polar)) | |
146 | (if (math-zerop (nth 2 a)) | |
147 | (math-compose-expr (nth 1 a) prec) | |
148 | (list 'horiz "(" | |
149 | (math-compose-expr (nth 1 a) 0) | |
150 | (if (eq (car a) 'cplx) ", " "; ") | |
151 | (math-compose-expr (nth 2 a) 0) ")")) | |
152 | (if (or (= calc-number-radix 10) | |
153 | (not (Math-realp a)) | |
154 | (and calc-group-digits | |
155 | (not (assoc calc-group-char '((",") (" ")))))) | |
156 | (math-format-number a prec) | |
157 | (let ((s (math-format-number a prec)) | |
158 | (c nil)) | |
159 | (while (string-match (if (> calc-number-radix 14) | |
160 | "\\([0-9]+\\)#\\([0-9a-zA-Z., ]+\\)" | |
161 | "\\([0-9]+\\)#\\([0-9a-dA-D., ]+\\)") | |
162 | s) | |
163 | (setq c (nconc c (list (substring s 0 (match-beginning 0)) | |
164 | (list 'subscr | |
165 | (math-match-substring s 2) | |
166 | (math-match-substring s 1)))) | |
167 | s (substring s (match-end 0)))) | |
168 | (if (string-match | |
169 | "\\*\\([0-9.]+\\)\\^\\(-?[0-9]+\\)\\()?\\)\\'" s) | |
170 | (setq s (list 'horiz | |
171 | (substring s 0 (match-beginning 0)) " " | |
172 | (list 'supscr | |
173 | (math-match-substring s 1) | |
174 | (math-match-substring s 2)) | |
175 | (math-match-substring s 3)))) | |
176 | (if c (cons 'horiz (nconc c (list s))) s))))))) | |
177 | ((and (get (car a) 'math-compose-forms) | |
178 | (not (eq calc-language 'unform)) | |
179 | (let ((comps (get (car a) 'math-compose-forms)) | |
180 | temp temp2) | |
181 | (or (and (setq temp (assq calc-language comps)) | |
182 | (or (and (setq temp2 (assq (1- (length a)) (cdr temp))) | |
183 | (setq temp (apply (cdr temp2) (cdr a))) | |
184 | (math-compose-expr temp prec)) | |
185 | (and (setq temp2 (assq nil (cdr temp))) | |
186 | (funcall (cdr temp2) a)))) | |
187 | (and (setq temp (assq nil comps)) | |
188 | (or (and (setq temp2 (assq (1- (length a)) (cdr temp))) | |
189 | (setq temp (apply (cdr temp2) (cdr a))) | |
190 | (math-compose-expr temp prec)) | |
191 | (and (setq temp2 (assq nil (cdr temp))) | |
192 | (funcall (cdr temp2) a)))))))) | |
193 | ((eq (car a) 'vec) | |
fdcf8e2b | 194 | (let* ((math-comp-left-bracket (if calc-vector-brackets |
136211a9 | 195 | (substring calc-vector-brackets 0 1) "")) |
fdcf8e2b | 196 | (math-comp-right-bracket (if calc-vector-brackets |
136211a9 EZ |
197 | (substring calc-vector-brackets 1 2) "")) |
198 | (inner-brackets (memq 'R calc-matrix-brackets)) | |
199 | (outer-brackets (memq 'O calc-matrix-brackets)) | |
200 | (row-commas (memq 'C calc-matrix-brackets)) | |
fdcf8e2b JB |
201 | (math-comp-comma-spc (or calc-vector-commas " ")) |
202 | (math-comp-comma (or calc-vector-commas "")) | |
203 | (math-comp-vector-prec (if (or (and calc-vector-commas | |
136211a9 EZ |
204 | (math-vector-no-parens a)) |
205 | (memq 'P calc-matrix-brackets)) 0 1000)) | |
fdcf8e2b JB |
206 | (math-comp-just (cond ((eq calc-matrix-just 'right) 'vright) |
207 | ((eq calc-matrix-just 'center) 'vcent) | |
208 | (t 'vleft))) | |
136211a9 EZ |
209 | (break calc-break-vectors)) |
210 | (if (and (memq calc-language '(nil big)) | |
211 | (not calc-break-vectors) | |
212 | (math-matrixp a) (not (math-matrixp (nth 1 a))) | |
213 | (or calc-full-vectors | |
214 | (and (< (length a) 7) (< (length (nth 1 a)) 7)) | |
215 | (progn (setq break t) nil))) | |
216 | (if (progn | |
fdcf8e2b JB |
217 | (setq math-comp-vector-prec (if (or (and calc-vector-commas |
218 | (math-vector-no-parens | |
219 | (nth 1 a))) | |
220 | (memq 'P calc-matrix-brackets)) | |
221 | 0 1000)) | |
136211a9 EZ |
222 | (= (length a) 2)) |
223 | (list 'horiz | |
fdcf8e2b JB |
224 | (concat math-comp-left-bracket math-comp-left-bracket " ") |
225 | (math-compose-vector (cdr (nth 1 a)) (concat math-comp-comma " ") | |
226 | math-comp-vector-prec) | |
227 | (concat " " math-comp-right-bracket math-comp-right-bracket)) | |
136211a9 EZ |
228 | (let* ((rows (1- (length a))) |
229 | (cols (1- (length (nth 1 a)))) | |
230 | (base (/ (1- rows) 2)) | |
231 | (calc-language 'flat)) | |
232 | (append '(horiz) | |
233 | (list (append '(vleft) | |
234 | (list base) | |
235 | (list (concat (and outer-brackets | |
fdcf8e2b | 236 | (concat math-comp-left-bracket |
136211a9 EZ |
237 | " ")) |
238 | (and inner-brackets | |
fdcf8e2b | 239 | (concat math-comp-left-bracket |
136211a9 EZ |
240 | " ")))) |
241 | (make-list (1- rows) | |
242 | (concat (and outer-brackets | |
243 | " ") | |
244 | (and inner-brackets | |
245 | (concat | |
fdcf8e2b | 246 | math-comp-left-bracket |
136211a9 EZ |
247 | " ")))))) |
248 | (math-compose-matrix (cdr a) 1 cols base) | |
249 | (list (append '(vleft) | |
250 | (list base) | |
251 | (make-list (1- rows) | |
252 | (if inner-brackets | |
253 | (concat " " | |
fdcf8e2b | 254 | math-comp-right-bracket |
136211a9 | 255 | (and row-commas |
fdcf8e2b | 256 | math-comp-comma)) |
136211a9 EZ |
257 | (if (and outer-brackets |
258 | row-commas) | |
259 | ";" ""))) | |
260 | (list (concat | |
261 | (and inner-brackets | |
262 | (concat " " | |
fdcf8e2b | 263 | math-comp-right-bracket)) |
136211a9 EZ |
264 | (and outer-brackets |
265 | (concat | |
266 | " " | |
fdcf8e2b | 267 | math-comp-right-bracket))))))))) |
136211a9 EZ |
268 | (if (and calc-display-strings |
269 | (cdr a) | |
270 | (math-vector-is-string a)) | |
271 | (math-vector-to-string a t) | |
272 | (if (and break (cdr a) | |
273 | (not (eq calc-language 'flat))) | |
274 | (let* ((full (or calc-full-vectors (< (length a) 7))) | |
275 | (rows (if full (1- (length a)) 5)) | |
276 | (base (/ (1- rows) 2)) | |
136211a9 EZ |
277 | (calc-break-vectors nil)) |
278 | (list 'horiz | |
279 | (cons 'vleft (cons base | |
280 | (math-compose-rows | |
281 | (cdr a) | |
282 | (if full rows 3) t))))) | |
283 | (if (or calc-full-vectors (< (length a) 7)) | |
018f0ad2 JB |
284 | (if (and |
285 | (setq spfn (get calc-language 'math-matrix-formatter)) | |
286 | (math-matrixp a)) | |
287 | (funcall spfn a) | |
288 | (list 'horiz | |
289 | math-comp-left-bracket | |
290 | (math-compose-vector (cdr a) | |
291 | (concat math-comp-comma " ") | |
292 | math-comp-vector-prec) | |
293 | math-comp-right-bracket)) | |
136211a9 | 294 | (list 'horiz |
fdcf8e2b | 295 | math-comp-left-bracket |
136211a9 | 296 | (math-compose-vector (list (nth 1 a) (nth 2 a) (nth 3 a)) |
fdcf8e2b JB |
297 | (concat math-comp-comma " ") |
298 | math-comp-vector-prec) | |
018f0ad2 JB |
299 | math-comp-comma |
300 | (if (setq spfn (get calc-language 'math-dots)) | |
301 | (concat " " spfn) | |
302 | " ...") | |
fdcf8e2b | 303 | math-comp-comma " " |
136211a9 EZ |
304 | (list 'break math-compose-level) |
305 | (math-compose-expr (nth (1- (length a)) a) | |
fdcf8e2b JB |
306 | (if (equal math-comp-comma "") 1000 0)) |
307 | math-comp-right-bracket))))))) | |
136211a9 EZ |
308 | ((eq (car a) 'incomplete) |
309 | (if (cdr (cdr a)) | |
310 | (cond ((eq (nth 1 a) 'vec) | |
311 | (list 'horiz "[" | |
312 | (math-compose-vector (cdr (cdr a)) ", " 0) | |
313 | " ...")) | |
314 | ((eq (nth 1 a) 'cplx) | |
315 | (list 'horiz "(" | |
316 | (math-compose-vector (cdr (cdr a)) ", " 0) | |
317 | ", ...")) | |
318 | ((eq (nth 1 a) 'polar) | |
319 | (list 'horiz "(" | |
320 | (math-compose-vector (cdr (cdr a)) "; " 0) | |
321 | "; ...")) | |
322 | ((eq (nth 1 a) 'intv) | |
323 | (list 'horiz | |
324 | (if (memq (nth 2 a) '(0 1)) "(" "[") | |
325 | (math-compose-vector (cdr (cdr (cdr a))) " .. " 0) | |
326 | " .. ...")) | |
327 | (t (format "%s" a))) | |
328 | (cond ((eq (nth 1 a) 'vec) "[ ...") | |
329 | ((eq (nth 1 a) 'intv) | |
330 | (if (memq (nth 2 a) '(0 1)) "( ..." "[ ...")) | |
331 | (t "( ...")))) | |
332 | ((eq (car a) 'var) | |
333 | (let ((v (rassq (nth 2 a) math-expr-variable-mapping))) | |
334 | (if v | |
335 | (symbol-name (car v)) | |
018f0ad2 | 336 | (if (setq spfn (get calc-language 'math-var-formatter)) |
2b8a3002 JB |
337 | (funcall spfn a prec) |
338 | (math-compose-var a))))) | |
136211a9 EZ |
339 | ((eq (car a) 'intv) |
340 | (list 'horiz | |
018f0ad2 | 341 | (if (memq (nth 1 a) '(0 1)) "(" "[") |
136211a9 | 342 | (math-compose-expr (nth 2 a) 0) |
018f0ad2 | 343 | " .. " |
136211a9 | 344 | (math-compose-expr (nth 3 a) 0) |
018f0ad2 | 345 | (if (memq (nth 1 a) '(0 2)) ")" "]"))) |
136211a9 EZ |
346 | ((eq (car a) 'date) |
347 | (if (eq (car calc-date-format) 'X) | |
348 | (math-format-date a) | |
349 | (concat "<" (math-format-date a) ">"))) | |
018f0ad2 JB |
350 | ((and (eq (car a) 'calcFunc-subscr) |
351 | (setq spfn (get calc-language 'math-compose-subscr))) | |
352 | (funcall spfn a)) | |
136211a9 EZ |
353 | ((and (eq (car a) 'calcFunc-subscr) (= (length a) 3) |
354 | (eq calc-language 'big)) | |
355 | (let* ((a1 (math-compose-expr (nth 1 a) 1000)) | |
356 | (calc-language 'flat) | |
357 | (a2 (math-compose-expr (nth 2 a) 0))) | |
358 | (if (or (eq (car-safe a1) 'subscr) | |
359 | (and (eq (car-safe a1) 'tag) | |
360 | (eq (car-safe (nth 2 a1)) 'subscr) | |
361 | (setq a1 (nth 2 a1)))) | |
362 | (list 'subscr | |
363 | (nth 1 a1) | |
364 | (list 'horiz | |
365 | (nth 2 a1) | |
366 | ", " | |
367 | a2)) | |
368 | (list 'subscr a1 a2)))) | |
136211a9 EZ |
369 | ((and (eq (car a) '^) |
370 | (eq calc-language 'big)) | |
371 | (list 'supscr | |
372 | (if (or (math-looks-negp (nth 1 a)) | |
373 | (memq (car-safe (nth 1 a)) '(^ / frac calcFunc-sqrt)) | |
374 | (and (eq (car-safe (nth 1 a)) 'cplx) | |
375 | (math-negp (nth 1 (nth 1 a))) | |
376 | (eq (nth 2 (nth 1 a)) 0))) | |
377 | (list 'horiz "(" (math-compose-expr (nth 1 a) 0) ")") | |
378 | (math-compose-expr (nth 1 a) 201)) | |
379 | (let ((calc-language 'flat) | |
064cb7e6 JB |
380 | (calc-number-radix 10) |
381 | (calc-twos-complement-mode nil)) | |
136211a9 EZ |
382 | (math-compose-expr (nth 2 a) 0)))) |
383 | ((and (eq (car a) '/) | |
384 | (eq calc-language 'big)) | |
385 | (let ((a1 (let ((calc-language (if (memq (car-safe (nth 1 a)) '(/ frac)) | |
386 | 'flat 'big))) | |
387 | (math-compose-expr (nth 1 a) 0))) | |
388 | (a2 (let ((calc-language (if (memq (car-safe (nth 2 a)) '(/ frac)) | |
389 | 'flat 'big))) | |
390 | (math-compose-expr (nth 2 a) 0)))) | |
391 | (list 'vcent | |
392 | (math-comp-height a1) | |
393 | a1 '(rule ?-) a2))) | |
136211a9 EZ |
394 | ((and (eq (car a) 'calcFunc-lambda) |
395 | (> (length a) 2) | |
396 | (memq calc-language '(nil flat big))) | |
397 | (let ((p (cdr a)) | |
398 | (ap calc-arg-values) | |
399 | (math-compose-hash-args (if (= (length a) 3) 1 t))) | |
400 | (while (and (cdr p) (equal (car p) (car ap))) | |
401 | (setq p (cdr p) ap (cdr ap))) | |
402 | (append '(horiz "<") | |
403 | (if (cdr p) | |
404 | (list (math-compose-vector | |
405 | (nreverse (cdr (reverse (cdr a)))) ", " 0) | |
406 | " : ") | |
407 | nil) | |
408 | (list (math-compose-expr (nth (1- (length a)) a) 0) | |
409 | ">")))) | |
410 | ((and (eq (car a) 'calcFunc-string) | |
411 | (= (length a) 2) | |
412 | (math-vectorp (nth 1 a)) | |
413 | (math-vector-is-string (nth 1 a))) | |
414 | (if (eq calc-language 'unform) | |
415 | (concat "string(" (math-vector-to-string (nth 1 a) t) ")") | |
416 | (math-vector-to-string (nth 1 a) nil))) | |
417 | ((and (eq (car a) 'calcFunc-bstring) | |
418 | (= (length a) 2) | |
419 | (math-vectorp (nth 1 a)) | |
420 | (math-vector-is-string (nth 1 a))) | |
421 | (if (eq calc-language 'unform) | |
422 | (concat "bstring(" (math-vector-to-string (nth 1 a) t) ")") | |
423 | (let ((c nil) | |
424 | (s (math-vector-to-string (nth 1 a) nil)) | |
425 | p) | |
426 | (while (string-match "[^ ] +[^ ]" s) | |
427 | (setq p (1- (match-end 0)) | |
428 | c (cons (list 'break math-compose-level) | |
429 | (cons (substring s 0 p) | |
430 | c)) | |
431 | s (substring s p))) | |
432 | (setq c (nreverse (cons s c))) | |
433 | (or (= prec -123) | |
434 | (setq c (cons (list 'set math-compose-level 2) c))) | |
435 | (cons 'horiz c)))) | |
436 | ((and (eq (car a) 'calcFunc-cprec) | |
437 | (not (eq calc-language 'unform)) | |
438 | (= (length a) 3) | |
439 | (integerp (nth 2 a))) | |
440 | (let ((c (math-compose-expr (nth 1 a) -1))) | |
441 | (if (> prec (nth 2 a)) | |
018f0ad2 JB |
442 | (if (setq spfn (get calc-language 'math-big-parens)) |
443 | (list 'horiz (car spfn) c (cdr spfn)) | |
444 | (list 'horiz "(" c ")")) | |
136211a9 EZ |
445 | c))) |
446 | ((and (eq (car a) 'calcFunc-choriz) | |
447 | (not (eq calc-language 'unform)) | |
448 | (memq (length a) '(2 3 4)) | |
449 | (math-vectorp (nth 1 a)) | |
450 | (if (integerp (nth 2 a)) | |
451 | (or (null (nth 3 a)) | |
452 | (and (math-vectorp (nth 3 a)) | |
453 | (math-vector-is-string (nth 3 a)))) | |
454 | (or (null (nth 2 a)) | |
455 | (and (math-vectorp (nth 2 a)) | |
456 | (math-vector-is-string (nth 2 a)))))) | |
457 | (let* ((cprec (and (integerp (nth 2 a)) (nth 2 a))) | |
458 | (sep (nth (if cprec 3 2) a)) | |
459 | (bprec nil)) | |
460 | (if sep | |
461 | (math-compose-vector (cdr (nth 1 a)) | |
462 | (math-vector-to-string sep nil) | |
463 | (or cprec prec)) | |
464 | (cons 'horiz (mapcar (function | |
465 | (lambda (x) | |
466 | (if (eq (car-safe x) 'calcFunc-bstring) | |
467 | (prog1 | |
468 | (math-compose-expr | |
469 | x (or bprec cprec prec)) | |
470 | (setq bprec -123)) | |
471 | (math-compose-expr x (or cprec prec))))) | |
472 | (cdr (nth 1 a))))))) | |
473 | ((and (memq (car a) '(calcFunc-cvert calcFunc-clvert calcFunc-crvert)) | |
474 | (not (eq calc-language 'unform)) | |
475 | (memq (length a) '(2 3)) | |
476 | (math-vectorp (nth 1 a)) | |
477 | (or (null (nth 2 a)) | |
478 | (integerp (nth 2 a)))) | |
479 | (let* ((base 0) | |
480 | (v 0) | |
481 | (prec (or (nth 2 a) prec)) | |
482 | (c (mapcar (function | |
483 | (lambda (x) | |
484 | (let ((b nil) (cc nil) a d) | |
485 | (if (and (memq (car-safe x) '(calcFunc-cbase | |
486 | calcFunc-ctbase | |
487 | calcFunc-cbbase)) | |
488 | (memq (length x) '(1 2))) | |
489 | (setq b (car x) | |
490 | x (nth 1 x))) | |
491 | (if (and (eq (car-safe x) 'calcFunc-crule) | |
492 | (memq (length x) '(1 2)) | |
493 | (or (null (nth 1 x)) | |
494 | (and (math-vectorp (nth 1 x)) | |
495 | (= (length (nth 1 x)) 2) | |
496 | (math-vector-is-string | |
497 | (nth 1 x))) | |
498 | (and (natnump (nth 1 x)) | |
499 | (<= (nth 1 x) 255)))) | |
500 | (setq cc (list | |
501 | 'rule | |
502 | (if (math-vectorp (nth 1 x)) | |
503 | (aref (math-vector-to-string | |
504 | (nth 1 x) nil) 0) | |
505 | (or (nth 1 x) ?-)))) | |
506 | (or (and (memq (car-safe x) '(calcFunc-cvspace | |
507 | calcFunc-ctspace | |
508 | calcFunc-cbspace)) | |
509 | (memq (length x) '(2 3)) | |
510 | (eq (nth 1 x) 0)) | |
511 | (null x) | |
512 | (setq cc (math-compose-expr x prec)))) | |
513 | (setq a (if cc (math-comp-ascent cc) 0) | |
514 | d (if cc (math-comp-descent cc) 0)) | |
515 | (if (eq b 'calcFunc-cbase) | |
516 | (setq base (+ v a -1)) | |
517 | (if (eq b 'calcFunc-ctbase) | |
518 | (setq base v) | |
519 | (if (eq b 'calcFunc-cbbase) | |
520 | (setq base (+ v a d -1))))) | |
521 | (setq v (+ v a d)) | |
522 | cc))) | |
523 | (cdr (nth 1 a))))) | |
524 | (setq c (delq nil c)) | |
525 | (if c | |
526 | (cons (if (eq (car a) 'calcFunc-cvert) 'vcent | |
527 | (if (eq (car a) 'calcFunc-clvert) 'vleft 'vright)) | |
528 | (cons base c)) | |
529 | " "))) | |
530 | ((and (memq (car a) '(calcFunc-csup calcFunc-csub)) | |
531 | (not (eq calc-language 'unform)) | |
532 | (memq (length a) '(3 4)) | |
533 | (or (null (nth 3 a)) | |
534 | (integerp (nth 3 a)))) | |
535 | (list (if (eq (car a) 'calcFunc-csup) 'supscr 'subscr) | |
536 | (math-compose-expr (nth 1 a) (or (nth 3 a) 0)) | |
537 | (math-compose-expr (nth 2 a) 0))) | |
538 | ((and (eq (car a) 'calcFunc-cflat) | |
539 | (not (eq calc-language 'unform)) | |
540 | (memq (length a) '(2 3)) | |
541 | (or (null (nth 2 a)) | |
542 | (integerp (nth 2 a)))) | |
543 | (let ((calc-language (if (memq calc-language '(nil big)) | |
544 | 'flat calc-language))) | |
545 | (math-compose-expr (nth 1 a) (or (nth 2 a) 0)))) | |
546 | ((and (eq (car a) 'calcFunc-cspace) | |
547 | (memq (length a) '(2 3)) | |
548 | (natnump (nth 1 a))) | |
549 | (if (nth 2 a) | |
550 | (cons 'horiz (make-list (nth 1 a) | |
551 | (if (and (math-vectorp (nth 2 a)) | |
552 | (math-vector-is-string (nth 2 a))) | |
553 | (math-vector-to-string (nth 2 a) nil) | |
554 | (math-compose-expr (nth 2 a) 0)))) | |
555 | (make-string (nth 1 a) ?\ ))) | |
556 | ((and (memq (car a) '(calcFunc-cvspace calcFunc-ctspace calcFunc-cbspace)) | |
557 | (memq (length a) '(2 3)) | |
558 | (natnump (nth 1 a))) | |
559 | (if (= (nth 1 a) 0) | |
560 | "" | |
561 | (let* ((c (if (nth 2 a) | |
562 | (if (and (math-vectorp (nth 2 a)) | |
563 | (math-vector-is-string (nth 2 a))) | |
564 | (math-vector-to-string (nth 2 a) nil) | |
565 | (math-compose-expr (nth 2 a) 0)) | |
566 | " ")) | |
567 | (ca (math-comp-ascent c)) | |
568 | (cd (math-comp-descent c))) | |
569 | (cons 'vleft | |
570 | (cons (if (eq (car a) 'calcFunc-ctspace) | |
571 | (1- ca) | |
572 | (if (eq (car a) 'calcFunc-cbspace) | |
573 | (+ (* (1- (nth 1 a)) (+ ca cd)) (1- ca)) | |
574 | (/ (1- (* (nth 1 a) (+ ca cd))) 2))) | |
575 | (make-list (nth 1 a) c)))))) | |
576 | ((and (eq (car a) 'calcFunc-evalto) | |
577 | (setq calc-any-evaltos t) | |
018f0ad2 | 578 | (setq spfn (get calc-language 'math-evalto)) |
136211a9 EZ |
579 | (= math-compose-level (if math-comp-tagged 2 1)) |
580 | (= (length a) 3)) | |
581 | (list 'horiz | |
018f0ad2 | 582 | (car spfn) |
136211a9 | 583 | (math-compose-expr (nth 1 a) 0) |
018f0ad2 | 584 | (cdr spfn) |
136211a9 EZ |
585 | (math-compose-expr (nth 2 a) 0))) |
586 | (t | |
587 | (let ((op (and (not (eq calc-language 'unform)) | |
588 | (if (and (eq (car a) 'calcFunc-if) (= (length a) 4)) | |
589 | (assoc "?" math-expr-opers) | |
590 | (math-assq2 (car a) math-expr-opers))))) | |
591 | (cond ((and op | |
592 | (or (= (length a) 3) (eq (car a) 'calcFunc-if)) | |
593 | (/= (nth 3 op) -1)) | |
594 | (cond | |
595 | ((> prec (or (nth 4 op) (min (nth 2 op) (nth 3 op)))) | |
ddaad609 | 596 | (if (and (memq calc-language '(tex latex)) |
136211a9 EZ |
597 | (not (math-tex-expr-is-flat a))) |
598 | (if (eq (car-safe a) '/) | |
599 | (list 'horiz "{" (math-compose-expr a -1) "}") | |
600 | (list 'horiz "\\left( " | |
601 | (math-compose-expr a -1) | |
602 | " \\right)")) | |
603 | (if (eq calc-language 'eqn) | |
604 | (if (or (eq (car-safe a) '/) | |
605 | (= (/ prec 100) 9)) | |
606 | (list 'horiz "{" (math-compose-expr a -1) "}") | |
607 | (if (math-tex-expr-is-flat a) | |
608 | (list 'horiz "( " (math-compose-expr a -1) " )") | |
609 | (list 'horiz "{left ( " | |
610 | (math-compose-expr a -1) | |
611 | " right )}"))) | |
612 | (list 'horiz "(" (math-compose-expr a 0) ")")))) | |
ddaad609 | 613 | ((and (memq calc-language '(tex latex)) |
136211a9 EZ |
614 | (memq (car a) '(/ calcFunc-choose calcFunc-evalto)) |
615 | (>= prec 0)) | |
616 | (list 'horiz "{" (math-compose-expr a -1) "}")) | |
617 | ((eq (car a) 'calcFunc-if) | |
618 | (list 'horiz | |
619 | (math-compose-expr (nth 1 a) (nth 2 op)) | |
620 | " ? " | |
621 | (math-compose-expr (nth 2 a) 0) | |
622 | " : " | |
623 | (math-compose-expr (nth 3 a) (nth 3 op)))) | |
624 | (t | |
625 | (let* ((math-comp-tagged (and math-comp-tagged | |
626 | (not (math-primp a)) | |
627 | math-comp-tagged)) | |
628 | (setlev (if (= prec (min (nth 2 op) (nth 3 op))) | |
629 | (progn | |
630 | (setq math-compose-level | |
631 | (1- math-compose-level)) | |
632 | nil) | |
633 | math-compose-level)) | |
634 | (lhs (math-compose-expr (nth 1 a) (nth 2 op))) | |
635 | (rhs (math-compose-expr (nth 2 a) (nth 3 op)))) | |
636 | (and (equal (car op) "^") | |
637 | (eq (math-comp-first-char lhs) ?-) | |
638 | (setq lhs (list 'horiz "(" lhs ")"))) | |
ddaad609 | 639 | (and (memq calc-language '(tex latex)) |
136211a9 EZ |
640 | (or (equal (car op) "^") (equal (car op) "_")) |
641 | (not (and (stringp rhs) (= (length rhs) 1))) | |
642 | (setq rhs (list 'horiz "{" rhs "}"))) | |
643 | (or (and (eq (car a) '*) | |
644 | (or (null calc-language) | |
645 | (assoc "2x" math-expr-opers)) | |
646 | (let* ((prevt (math-prod-last-term (nth 1 a))) | |
647 | (nextt (math-prod-first-term (nth 2 a))) | |
648 | (prevc (or (math-comp-last-char lhs) | |
649 | (and (memq (car-safe prevt) | |
650 | '(^ calcFunc-subscr | |
651 | calcFunc-sqrt | |
652 | frac)) | |
653 | (eq calc-language 'big) | |
654 | ?0))) | |
655 | (nextc (or (math-comp-first-char rhs) | |
656 | (and (memq (car-safe nextt) | |
657 | '(calcFunc-sqrt | |
658 | calcFunc-sum | |
659 | calcFunc-prod | |
660 | calcFunc-integ)) | |
661 | (eq calc-language 'big) | |
662 | ?0)))) | |
663 | (and prevc nextc | |
664 | (or (and (>= nextc ?a) (<= nextc ?z)) | |
665 | (and (>= nextc ?A) (<= nextc ?Z)) | |
ae6bc504 JB |
666 | (and (>= nextc ?α) (<= nextc ?ω)) |
667 | (and (>= nextc ?Α) (<= nextc ?Ω)) | |
136211a9 EZ |
668 | (and (>= nextc ?0) (<= nextc ?9)) |
669 | (memq nextc '(?. ?_ ?# | |
670 | ?\( ?\[ ?\{)) | |
671 | (and (eq nextc ?\\) | |
672 | (not (string-match | |
673 | "\\`\\\\left(" | |
674 | (math-comp-first-string | |
675 | rhs))))) | |
676 | (not (and (eq (car-safe prevt) 'var) | |
677 | (eq nextc ?\())) | |
678 | (list 'horiz | |
679 | (list 'set setlev 1) | |
680 | lhs | |
681 | (list 'break math-compose-level) | |
682 | " " | |
683 | rhs)))) | |
684 | (list 'horiz | |
685 | (list 'set setlev 1) | |
686 | lhs | |
687 | (list 'break math-compose-level) | |
688 | (if (or (equal (car op) "^") | |
689 | (equal (car op) "_") | |
690 | (equal (car op) "**") | |
691 | (and (equal (car op) "*") | |
692 | (math-comp-last-char lhs) | |
693 | (math-comp-first-char rhs)) | |
694 | (and (equal (car op) "/") | |
695 | (math-num-integerp (nth 1 a)) | |
696 | (math-integerp (nth 2 a)))) | |
697 | (car op) | |
698 | (if (and (eq calc-language 'big) | |
699 | (equal (car op) "=>")) | |
700 | " => " | |
701 | (concat " " (car op) " "))) | |
702 | rhs)))))) | |
703 | ((and op (= (length a) 2) (= (nth 3 op) -1)) | |
704 | (cond | |
705 | ((or (> prec (or (nth 4 op) (nth 2 op))) | |
706 | (and (not (eq (assoc (car op) math-expr-opers) op)) | |
707 | (> prec 0))) ; don't write x% + y | |
ddaad609 | 708 | (if (and (memq calc-language '(tex latex)) |
136211a9 EZ |
709 | (not (math-tex-expr-is-flat a))) |
710 | (list 'horiz "\\left( " | |
711 | (math-compose-expr a -1) | |
712 | " \\right)") | |
713 | (if (eq calc-language 'eqn) | |
714 | (if (= (/ prec 100) 9) | |
715 | (list 'horiz "{" (math-compose-expr a -1) "}") | |
716 | (if (math-tex-expr-is-flat a) | |
717 | (list 'horiz "{( " (math-compose-expr a -1) " )}") | |
718 | (list 'horiz "{left ( " | |
719 | (math-compose-expr a -1) | |
720 | " right )}"))) | |
721 | (list 'horiz "(" (math-compose-expr a 0) ")")))) | |
722 | (t | |
723 | (let ((lhs (math-compose-expr (nth 1 a) (nth 2 op)))) | |
724 | (list 'horiz | |
725 | lhs | |
726 | (if (or (> (length (car op)) 1) | |
727 | (not (math-comp-is-flat lhs))) | |
728 | (concat " " (car op)) | |
729 | (car op))))))) | |
730 | ((and op (= (length a) 2) (= (nth 2 op) -1)) | |
731 | (cond | |
732 | ((eq (nth 3 op) 0) | |
ddaad609 | 733 | (let ((lr (and (memq calc-language '(tex latex)) |
136211a9 EZ |
734 | (not (math-tex-expr-is-flat (nth 1 a)))))) |
735 | (list 'horiz | |
736 | (if lr "\\left" "") | |
ae6bc504 | 737 | (if (string-match "\\`u\\([^a-zA-Zα-ωΑ-Ω]\\)\\'" (car op)) |
136211a9 EZ |
738 | (substring (car op) 1) |
739 | (car op)) | |
740 | (if (or lr (> (length (car op)) 2)) " " "") | |
741 | (math-compose-expr (nth 1 a) -1) | |
742 | (if (or lr (> (length (car op)) 2)) " " "") | |
743 | (if lr "\\right" "") | |
744 | (car (nth 1 (memq op math-expr-opers)))))) | |
745 | ((> prec (or (nth 4 op) (nth 3 op))) | |
ddaad609 | 746 | (if (and (memq calc-language '(tex latex)) |
136211a9 EZ |
747 | (not (math-tex-expr-is-flat a))) |
748 | (list 'horiz "\\left( " | |
749 | (math-compose-expr a -1) | |
750 | " \\right)") | |
751 | (if (eq calc-language 'eqn) | |
752 | (if (= (/ prec 100) 9) | |
753 | (list 'horiz "{" (math-compose-expr a -1) "}") | |
754 | (if (math-tex-expr-is-flat a) | |
755 | (list 'horiz "{( " (math-compose-expr a -1) " )}") | |
756 | (list 'horiz "{left ( " | |
757 | (math-compose-expr a -1) | |
758 | " right )}"))) | |
759 | (list 'horiz "(" (math-compose-expr a 0) ")")))) | |
760 | (t | |
761 | (let ((rhs (math-compose-expr (nth 1 a) (nth 3 op)))) | |
762 | (list 'horiz | |
ae6bc504 | 763 | (let ((ops (if (string-match "\\`u\\([^a-zA-Zα-ωΑ-Ω]\\)\\'" |
136211a9 EZ |
764 | (car op)) |
765 | (substring (car op) 1) | |
766 | (car op)))) | |
767 | (if (or (> (length ops) 1) | |
768 | (not (math-comp-is-flat rhs))) | |
769 | (concat ops " ") | |
770 | ops)) | |
771 | rhs))))) | |
772 | ((and (eq calc-language 'big) | |
773 | (setq op (get (car a) 'math-compose-big)) | |
774 | (funcall op a prec))) | |
775 | ((and (setq op (assq calc-language | |
776 | '( ( nil . math-compose-normal ) | |
777 | ( flat . math-compose-normal ) | |
778 | ( big . math-compose-normal ) | |
779 | ( c . math-compose-c ) | |
780 | ( pascal . math-compose-pascal ) | |
781 | ( fortran . math-compose-fortran ) | |
782 | ( tex . math-compose-tex ) | |
ddaad609 | 783 | ( latex . math-compose-latex ) |
136211a9 | 784 | ( eqn . math-compose-eqn ) |
f2007b42 JB |
785 | ( yacas . math-compose-yacas ) |
786 | ( maxima . math-compose-maxima ) | |
787 | ( giac . math-compose-giac ) | |
136211a9 EZ |
788 | ( math . math-compose-math ) |
789 | ( maple . math-compose-maple )))) | |
790 | (setq op (get (car a) (cdr op))) | |
791 | (funcall op a prec))) | |
792 | (t | |
793 | (let* ((func (car a)) | |
794 | (func2 (assq func '(( mod . calcFunc-makemod ) | |
795 | ( sdev . calcFunc-sdev ) | |
796 | ( + . calcFunc-add ) | |
797 | ( - . calcFunc-sub ) | |
798 | ( * . calcFunc-mul ) | |
799 | ( / . calcFunc-div ) | |
800 | ( % . calcFunc-mod ) | |
801 | ( ^ . calcFunc-pow ) | |
802 | ( neg . calcFunc-neg ) | |
803 | ( | . calcFunc-vconcat )))) | |
804 | left right args) | |
805 | (if func2 | |
806 | (setq func (cdr func2))) | |
807 | (if (setq func2 (rassq func math-expr-function-mapping)) | |
808 | (setq func (car func2))) | |
809 | (setq func (math-remove-dashes | |
810 | (if (string-match | |
ae6bc504 | 811 | "\\`calcFunc-\\([a-zA-Zα-ωΑ-Ω0-9']+\\)\\'" |
136211a9 EZ |
812 | (symbol-name func)) |
813 | (math-match-substring (symbol-name func) 1) | |
814 | (symbol-name func)))) | |
28d88201 JB |
815 | (if (memq calc-language calc-lang-allow-percentsigns) |
816 | (setq func (math-to-percentsigns func))) | |
018f0ad2 | 817 | (if (memq calc-language calc-lang-allow-underscores) |
136211a9 | 818 | (setq func (math-to-underscores func))) |
018f0ad2 JB |
819 | (if (setq spfn (get calc-language 'math-func-formatter)) |
820 | (funcall spfn func a) | |
821 | ||
822 | (list 'horiz func calc-function-open | |
823 | (math-compose-vector (cdr a) ", " 0) | |
824 | calc-function-close)))))))))) | |
136211a9 | 825 | |
136211a9 EZ |
826 | |
827 | (defun math-prod-first-term (x) | |
828 | (while (eq (car-safe x) '*) | |
829 | (setq x (nth 1 x))) | |
bf77c646 | 830 | x) |
136211a9 EZ |
831 | |
832 | (defun math-prod-last-term (x) | |
833 | (while (eq (car-safe x) '*) | |
834 | (setq x (nth 2 x))) | |
bf77c646 | 835 | x) |
136211a9 EZ |
836 | |
837 | (defun math-compose-vector (a sep prec) | |
838 | (if a | |
839 | (cons 'horiz | |
840 | (cons (list 'set math-compose-level) | |
841 | (let ((c (list (math-compose-expr (car a) prec)))) | |
842 | (while (setq a (cdr a)) | |
843 | (setq c (cons (if (eq (car-safe (car a)) | |
844 | 'calcFunc-bstring) | |
845 | (let ((math-compose-level | |
846 | (1- math-compose-level))) | |
847 | (math-compose-expr (car a) -123)) | |
848 | (math-compose-expr (car a) prec)) | |
849 | (cons (list 'break math-compose-level) | |
850 | (cons sep c))))) | |
851 | (nreverse c)))) | |
bf77c646 | 852 | "")) |
136211a9 EZ |
853 | |
854 | (defun math-vector-no-parens (a) | |
855 | (or (cdr (cdr a)) | |
bf77c646 | 856 | (not (eq (car-safe (nth 1 a)) '*)))) |
136211a9 EZ |
857 | |
858 | (defun math-compose-matrix (a col cols base) | |
859 | (let ((col 0) | |
860 | (res nil)) | |
861 | (while (<= (setq col (1+ col)) cols) | |
fdcf8e2b | 862 | (setq res (cons (cons math-comp-just |
136211a9 EZ |
863 | (cons base |
864 | (mapcar (function | |
865 | (lambda (r) | |
866 | (list 'horiz | |
867 | (math-compose-expr | |
868 | (nth col r) | |
fdcf8e2b | 869 | math-comp-vector-prec) |
136211a9 EZ |
870 | (if (= col cols) |
871 | "" | |
fdcf8e2b JB |
872 | (concat |
873 | math-comp-comma-spc " "))))) | |
136211a9 EZ |
874 | a))) |
875 | res))) | |
bf77c646 | 876 | (nreverse res))) |
136211a9 EZ |
877 | |
878 | (defun math-compose-rows (a count first) | |
879 | (if (cdr a) | |
880 | (if (<= count 0) | |
881 | (if (< count 0) | |
882 | (math-compose-rows (cdr a) -1 nil) | |
018f0ad2 JB |
883 | (cons (concat |
884 | (let ((mdots (get calc-language 'math-dots))) | |
885 | (if mdots | |
886 | (concat " " mdots) | |
887 | " ...")) | |
888 | math-comp-comma) | |
136211a9 EZ |
889 | (math-compose-rows (cdr a) -1 nil))) |
890 | (cons (list 'horiz | |
fdcf8e2b JB |
891 | (if first (concat math-comp-left-bracket " ") " ") |
892 | (math-compose-expr (car a) math-comp-vector-prec) | |
893 | math-comp-comma) | |
136211a9 EZ |
894 | (math-compose-rows (cdr a) (1- count) nil))) |
895 | (list (list 'horiz | |
fdcf8e2b JB |
896 | (if first (concat math-comp-left-bracket " ") " ") |
897 | (math-compose-expr (car a) math-comp-vector-prec) | |
898 | (concat " " math-comp-right-bracket))))) | |
136211a9 | 899 | |
136211a9 EZ |
900 | (defun math-vector-is-string (a) |
901 | (while (and (setq a (cdr a)) | |
902 | (or (and (natnump (car a)) | |
903 | (<= (car a) 255)) | |
904 | (and (eq (car-safe (car a)) 'cplx) | |
905 | (natnump (nth 1 (car a))) | |
906 | (eq (nth 2 (car a)) 0) | |
907 | (<= (nth 1 (car a)) 255))))) | |
bf77c646 | 908 | (null a)) |
136211a9 | 909 | |
3132f345 CW |
910 | (defconst math-vector-to-string-chars '( ( ?\" . "\\\"" ) |
911 | ( ?\\ . "\\\\" ) | |
912 | ( ?\a . "\\a" ) | |
913 | ( ?\b . "\\b" ) | |
914 | ( ?\e . "\\e" ) | |
915 | ( ?\f . "\\f" ) | |
916 | ( ?\n . "\\n" ) | |
917 | ( ?\r . "\\r" ) | |
918 | ( ?\t . "\\t" ) | |
919 | ( ?\^? . "\\^?" ))) | |
920 | ||
136211a9 EZ |
921 | (defun math-vector-to-string (a &optional quoted) |
922 | (setq a (concat (mapcar (function (lambda (x) (if (consp x) (nth 1 x) x))) | |
923 | (cdr a)))) | |
924 | (if (string-match "[\000-\037\177\\\"]" a) | |
925 | (let ((p 0) | |
926 | (pat (if quoted "[\000-\037\177\\\"]" "[\000-\037\177]")) | |
927 | (codes (if quoted math-vector-to-string-chars '((?\^? . "^?")))) | |
928 | (fmt (if quoted "\\^%c" "^%c")) | |
929 | new) | |
930 | (while (setq p (string-match pat a p)) | |
931 | (if (setq new (assq (aref a p) codes)) | |
932 | (setq a (concat (substring a 0 p) | |
933 | (cdr new) | |
934 | (substring a (1+ p))) | |
935 | p (+ p (length (cdr new)))) | |
936 | (setq a (concat (substring a 0 p) | |
937 | (format fmt (+ (aref a p) 64)) | |
938 | (substring a (1+ p))) | |
939 | p (+ p 2)))))) | |
940 | (if quoted | |
941 | (concat "\"" a "\"") | |
bf77c646 | 942 | a)) |
3132f345 | 943 | |
136211a9 EZ |
944 | |
945 | (defun math-to-underscores (x) | |
946 | (if (string-match "\\`\\(.*\\)#\\(.*\\)\\'" x) | |
947 | (math-to-underscores | |
948 | (concat (math-match-substring x 1) "_" (math-match-substring x 2))) | |
28d88201 JB |
949 | x)) |
950 | ||
951 | (defun math-to-percentsigns (x) | |
88cf3347 JB |
952 | (if (string-match "\\`\\(.*\\)o'o\\(.*\\)\\'" x) |
953 | (math-to-underscores | |
28d88201 | 954 | (concat (math-match-substring x 1) "%" (math-match-substring x 2))) |
bf77c646 | 955 | x)) |
136211a9 EZ |
956 | |
957 | (defun math-tex-expr-is-flat (a) | |
958 | (or (Math-integerp a) | |
959 | (memq (car a) '(float var)) | |
960 | (and (memq (car a) '(+ - * neg)) | |
961 | (progn | |
962 | (while (and (setq a (cdr a)) | |
963 | (math-tex-expr-is-flat (car a)))) | |
964 | (null a))) | |
965 | (and (memq (car a) '(^ calcFunc-subscr)) | |
bf77c646 | 966 | (math-tex-expr-is-flat (nth 1 a))))) |
136211a9 EZ |
967 | |
968 | (put 'calcFunc-log 'math-compose-big 'math-compose-log) | |
969 | (defun math-compose-log (a prec) | |
970 | (and (= (length a) 3) | |
971 | (list 'horiz | |
972 | (list 'subscr "log" | |
973 | (let ((calc-language 'flat)) | |
974 | (math-compose-expr (nth 2 a) 1000))) | |
975 | "(" | |
976 | (math-compose-expr (nth 1 a) 1000) | |
bf77c646 | 977 | ")"))) |
136211a9 EZ |
978 | |
979 | (put 'calcFunc-log10 'math-compose-big 'math-compose-log10) | |
980 | (defun math-compose-log10 (a prec) | |
981 | (and (= (length a) 2) | |
982 | (list 'horiz | |
983 | (list 'subscr "log" "10") | |
984 | "(" | |
985 | (math-compose-expr (nth 1 a) 1000) | |
bf77c646 | 986 | ")"))) |
136211a9 EZ |
987 | |
988 | (put 'calcFunc-deriv 'math-compose-big 'math-compose-deriv) | |
989 | (put 'calcFunc-tderiv 'math-compose-big 'math-compose-deriv) | |
990 | (defun math-compose-deriv (a prec) | |
3132f345 CW |
991 | (when (= (length a) 3) |
992 | (math-compose-expr (list '/ | |
993 | (list 'calcFunc-choriz | |
994 | (list 'vec | |
995 | '(calcFunc-string (vec ?d)) | |
996 | (nth 1 a))) | |
997 | (list 'calcFunc-choriz | |
998 | (list 'vec | |
999 | '(calcFunc-string (vec ?d)) | |
1000 | (nth 2 a)))) | |
1001 | prec))) | |
136211a9 EZ |
1002 | |
1003 | (put 'calcFunc-sqrt 'math-compose-big 'math-compose-sqrt) | |
1004 | (defun math-compose-sqrt (a prec) | |
3132f345 CW |
1005 | (when (= (length a) 2) |
1006 | (let* ((c (math-compose-expr (nth 1 a) 0)) | |
1007 | (a (math-comp-ascent c)) | |
1008 | (d (math-comp-descent c)) | |
1009 | (h (+ a d)) | |
1010 | (w (math-comp-width c))) | |
1011 | (list 'vleft | |
1012 | a | |
1013 | (concat (if (= h 1) " " " ") | |
1014 | (make-string (+ w 2) ?\_)) | |
1015 | (list 'horiz | |
1016 | (if (= h 1) | |
1017 | "V" | |
1018 | (append (list 'vleft (1- a)) | |
1019 | (make-list (1- h) " |") | |
1020 | '("\\|"))) | |
1021 | " " | |
1022 | c))))) | |
136211a9 EZ |
1023 | |
1024 | (put 'calcFunc-choose 'math-compose-big 'math-compose-choose) | |
1025 | (defun math-compose-choose (a prec) | |
1026 | (let ((a1 (math-compose-expr (nth 1 a) 0)) | |
1027 | (a2 (math-compose-expr (nth 2 a) 0))) | |
1028 | (list 'horiz | |
1029 | "(" | |
1030 | (list 'vcent | |
1031 | (math-comp-height a1) | |
1032 | a1 " " a2) | |
bf77c646 | 1033 | ")"))) |
136211a9 EZ |
1034 | |
1035 | (put 'calcFunc-integ 'math-compose-big 'math-compose-integ) | |
1036 | (defun math-compose-integ (a prec) | |
1037 | (and (memq (length a) '(3 5)) | |
1038 | (eq (car-safe (nth 2 a)) 'var) | |
1039 | (let* ((parens (and (>= prec 196) (/= prec 1000))) | |
1040 | (var (math-compose-expr (nth 2 a) 0)) | |
1041 | (over (and (eq (car-safe (nth 2 a)) 'var) | |
1042 | (or (and (eq (car-safe (nth 1 a)) '/) | |
1043 | (math-numberp (nth 1 (nth 1 a)))) | |
1044 | (and (eq (car-safe (nth 1 a)) '^) | |
1045 | (math-looks-negp (nth 2 (nth 1 a))))))) | |
1046 | (expr (math-compose-expr (if over | |
1047 | (math-mul (nth 1 a) | |
1048 | (math-build-var-name | |
1049 | (format | |
1050 | "d%s" | |
1051 | (nth 1 (nth 2 a))))) | |
1052 | (nth 1 a)) 185)) | |
1053 | (calc-language 'flat) | |
1054 | (low (and (nth 3 a) (math-compose-expr (nth 3 a) 0))) | |
1055 | (high (and (nth 4 a) (math-compose-expr (nth 4 a) 0)))) | |
1056 | (list 'horiz | |
1057 | (if parens "(" "") | |
1058 | (append (list 'vcent (if high 3 2)) | |
1059 | (and high (list (list 'horiz " " high))) | |
1060 | '(" /" | |
1061 | " | " | |
1062 | " | " | |
1063 | " | " | |
1064 | "/ ") | |
1065 | (and low (list (list 'horiz low " ")))) | |
1066 | expr | |
1067 | (if over | |
1068 | "" | |
1069 | (list 'horiz " d" var)) | |
bf77c646 | 1070 | (if parens ")" ""))))) |
136211a9 EZ |
1071 | |
1072 | (put 'calcFunc-sum 'math-compose-big 'math-compose-sum) | |
1073 | (defun math-compose-sum (a prec) | |
1074 | (and (memq (length a) '(3 5 6)) | |
1075 | (let* ((expr (math-compose-expr (nth 1 a) 185)) | |
1076 | (calc-language 'flat) | |
1077 | (var (math-compose-expr (nth 2 a) 0)) | |
1078 | (low (and (nth 3 a) (math-compose-expr (nth 3 a) 0))) | |
1079 | (high (and (nth 4 a) (math-compose-vector (nthcdr 4 a) ", " 0)))) | |
1080 | (list 'horiz | |
1081 | (if (memq prec '(180 201)) "(" "") | |
1082 | (append (list 'vcent (if high 3 2)) | |
1083 | (and high (list high)) | |
1084 | '("---- " | |
1085 | "\\ " | |
1086 | " > " | |
1087 | "/ " | |
1088 | "---- ") | |
1089 | (if low | |
1090 | (list (list 'horiz var " = " low)) | |
1091 | (list var))) | |
1092 | (if (memq (car-safe (nth 1 a)) '(calcFunc-sum calcFunc-prod)) | |
1093 | " " "") | |
1094 | expr | |
bf77c646 | 1095 | (if (memq prec '(180 201)) ")" ""))))) |
136211a9 EZ |
1096 | |
1097 | (put 'calcFunc-prod 'math-compose-big 'math-compose-prod) | |
1098 | (defun math-compose-prod (a prec) | |
1099 | (and (memq (length a) '(3 5 6)) | |
1100 | (let* ((expr (math-compose-expr (nth 1 a) 198)) | |
1101 | (calc-language 'flat) | |
1102 | (var (math-compose-expr (nth 2 a) 0)) | |
1103 | (low (and (nth 3 a) (math-compose-expr (nth 3 a) 0))) | |
1104 | (high (and (nth 4 a) (math-compose-vector (nthcdr 4 a) ", " 0)))) | |
1105 | (list 'horiz | |
1106 | (if (memq prec '(196 201)) "(" "") | |
1107 | (append (list 'vcent (if high 3 2)) | |
1108 | (and high (list high)) | |
1109 | '("----- " | |
1110 | " | | " | |
1111 | " | | " | |
1112 | " | | ") | |
1113 | (if low | |
1114 | (list (list 'horiz var " = " low)) | |
1115 | (list var))) | |
1116 | (if (memq (car-safe (nth 1 a)) '(calcFunc-sum calcFunc-prod)) | |
1117 | " " "") | |
1118 | expr | |
bf77c646 | 1119 | (if (memq prec '(196 201)) ")" ""))))) |
136211a9 | 1120 | |
fdcf8e2b JB |
1121 | ;; The variables math-svo-c, math-svo-wid and math-svo-off are local |
1122 | ;; to math-stack-value-offset in calc.el, but are used by | |
1123 | ;; math-stack-value-offset-fancy, which is called by math-stack-value-offset.. | |
1124 | (defvar math-svo-c) | |
1125 | (defvar math-svo-wid) | |
1126 | (defvar math-svo-off) | |
136211a9 EZ |
1127 | |
1128 | (defun math-stack-value-offset-fancy () | |
fdcf8e2b | 1129 | (let ((cwid (+ (math-comp-width math-svo-c)))) |
136211a9 EZ |
1130 | (cond ((eq calc-display-just 'right) |
1131 | (if calc-display-origin | |
fdcf8e2b | 1132 | (setq math-svo-wid (max calc-display-origin 5)) |
136211a9 | 1133 | (if (integerp calc-line-breaking) |
fdcf8e2b JB |
1134 | (setq math-svo-wid calc-line-breaking))) |
1135 | (setq math-svo-off (- math-svo-wid cwid | |
136211a9 EZ |
1136 | (max (- (length calc-right-label) |
1137 | (if (and (integerp calc-line-breaking) | |
1138 | calc-display-origin) | |
1139 | (max (- calc-line-breaking | |
1140 | calc-display-origin) | |
1141 | 0) | |
1142 | 0)) | |
1143 | 0)))) | |
1144 | (t | |
1145 | (if calc-display-origin | |
1146 | (progn | |
fdcf8e2b | 1147 | (setq math-svo-off (- calc-display-origin (/ cwid 2))) |
136211a9 | 1148 | (if (integerp calc-line-breaking) |
fdcf8e2b | 1149 | (setq math-svo-off (min math-svo-off (- calc-line-breaking cwid |
136211a9 | 1150 | (length calc-right-label))))) |
fdcf8e2b JB |
1151 | (if (>= math-svo-off 0) |
1152 | (setq math-svo-wid (max math-svo-wid (+ math-svo-off cwid))))) | |
136211a9 | 1153 | (if (integerp calc-line-breaking) |
fdcf8e2b JB |
1154 | (setq math-svo-wid calc-line-breaking)) |
1155 | (setq math-svo-off (/ (- math-svo-wid cwid) 2))))) | |
136211a9 | 1156 | (and (integerp calc-line-breaking) |
fdcf8e2b | 1157 | (or (< math-svo-off 0) |
136211a9 EZ |
1158 | (and calc-display-origin |
1159 | (> calc-line-breaking calc-display-origin))) | |
fdcf8e2b | 1160 | (setq math-svo-wid calc-line-breaking)))) |
136211a9 EZ |
1161 | |
1162 | ||
1163 | ;;; Convert a composition to string form, with embedded \n's if necessary. | |
1164 | ||
1165 | (defun math-composition-to-string (c &optional width) | |
1166 | (or width (setq width (calc-window-width))) | |
1167 | (if calc-display-raw | |
1168 | (math-comp-to-string-raw c 0) | |
1169 | (if (math-comp-is-flat c) | |
1170 | (math-comp-to-string-flat c width) | |
1171 | (math-vert-comp-to-string | |
bf77c646 | 1172 | (math-comp-simplify c width))))) |
136211a9 | 1173 | |
3132f345 CW |
1174 | (defvar math-comp-buf-string (make-vector 10 "")) |
1175 | (defvar math-comp-buf-margin (make-vector 10 0)) | |
1176 | (defvar math-comp-buf-level (make-vector 10 0)) | |
136211a9 EZ |
1177 | (defun math-comp-is-flat (c) ; check if c's height is 1. |
1178 | (cond ((not (consp c)) t) | |
1179 | ((memq (car c) '(set break)) t) | |
1180 | ((eq (car c) 'horiz) | |
1181 | (while (and (setq c (cdr c)) | |
1182 | (math-comp-is-flat (car c)))) | |
1183 | (null c)) | |
1184 | ((memq (car c) '(vleft vcent vright)) | |
1185 | (and (= (length c) 3) | |
1186 | (= (nth 1 c) 0) | |
1187 | (math-comp-is-flat (nth 2 c)))) | |
1188 | ((eq (car c) 'tag) | |
1189 | (math-comp-is-flat (nth 2 c))) | |
bf77c646 | 1190 | (t nil))) |
136211a9 EZ |
1191 | |
1192 | ||
1193 | ;;; Convert a one-line composition to a string. Break into multiple | |
1194 | ;;; lines if necessary, choosing break points according to the structure | |
1195 | ;;; of the formula. | |
1196 | ||
fdcf8e2b JB |
1197 | ;; The variables math-comp-full-width, math-comp-highlight, math-comp-word, |
1198 | ;; math-comp-level, math-comp-margin and math-comp-buf are local to | |
1199 | ;; math-comp-to-string-flat, but are used by math-comp-to-string-flat-term, | |
1200 | ;; which is called by math-comp-to-string-flat. | |
1201 | ;; math-comp-highlight and math-comp-buf are also local to | |
1202 | ;; math-comp-simplify-term and math-comp-simplify respectively, but are used | |
1203 | ;; by math-comp-add-string. | |
1204 | (defvar math-comp-full-width) | |
1205 | (defvar math-comp-highlight) | |
1206 | (defvar math-comp-word) | |
1207 | (defvar math-comp-level) | |
1208 | (defvar math-comp-margin) | |
1209 | (defvar math-comp-buf) | |
1210 | ;; The variable math-comp-pos is local to math-comp-to-string-flat, but | |
1211 | ;; is used by math-comp-to-string-flat-term and math-comp-sel-first-term, | |
1212 | ;; which are called by math-comp-to-string-flat. | |
1213 | (defvar math-comp-pos) | |
1214 | ||
1215 | (defun math-comp-to-string-flat (c math-comp-full-width) | |
136211a9 | 1216 | (if math-comp-sel-hpos |
fdcf8e2b | 1217 | (let ((math-comp-pos 0)) |
136211a9 | 1218 | (math-comp-sel-flat-term c)) |
fdcf8e2b JB |
1219 | (let ((math-comp-buf "") |
1220 | (math-comp-word "") | |
1221 | (math-comp-pos 0) | |
1222 | (math-comp-margin 0) | |
1223 | (math-comp-highlight (and math-comp-selected calc-show-selections)) | |
1224 | (math-comp-level -1)) | |
136211a9 EZ |
1225 | (math-comp-to-string-flat-term '(set -1 0)) |
1226 | (math-comp-to-string-flat-term c) | |
1227 | (math-comp-to-string-flat-term '(break -1)) | |
1228 | (let ((str (aref math-comp-buf-string 0)) | |
1229 | (prefix "")) | |
1230 | (and (> (length str) 0) (= (aref str 0) ? ) | |
fdcf8e2b JB |
1231 | (> (length math-comp-buf) 0) |
1232 | (let ((k (length math-comp-buf))) | |
1233 | (while (not (= (aref math-comp-buf (setq k (1- k))) ?\n))) | |
1234 | (aset math-comp-buf k ? ) | |
1235 | (if (and (< (1+ k) (length math-comp-buf)) | |
1236 | (= (aref math-comp-buf (1+ k)) ? )) | |
136211a9 | 1237 | (progn |
fdcf8e2b | 1238 | (aset math-comp-buf (1+ k) ?\n) |
136211a9 EZ |
1239 | (setq prefix " ")) |
1240 | (setq prefix "\n")))) | |
fdcf8e2b | 1241 | (concat math-comp-buf prefix str))))) |
136211a9 EZ |
1242 | |
1243 | (defun math-comp-to-string-flat-term (c) | |
1244 | (cond ((not (consp c)) | |
fdcf8e2b | 1245 | (if math-comp-highlight |
136211a9 | 1246 | (setq c (math-comp-highlight-string c))) |
fdcf8e2b JB |
1247 | (setq math-comp-word (if (= (length math-comp-word) 0) c |
1248 | (concat math-comp-word c)) | |
1249 | math-comp-pos (+ math-comp-pos (length c)))) | |
136211a9 EZ |
1250 | |
1251 | ((eq (car c) 'horiz) | |
1252 | (while (setq c (cdr c)) | |
1253 | (math-comp-to-string-flat-term (car c)))) | |
1254 | ||
1255 | ((eq (car c) 'set) | |
1256 | (if (nth 1 c) | |
1257 | (progn | |
fdcf8e2b JB |
1258 | (setq math-comp-level (1+ math-comp-level)) |
1259 | (if (>= math-comp-level (length math-comp-buf-string)) | |
136211a9 EZ |
1260 | (setq math-comp-buf-string (vconcat math-comp-buf-string |
1261 | math-comp-buf-string) | |
1262 | math-comp-buf-margin (vconcat math-comp-buf-margin | |
1263 | math-comp-buf-margin) | |
1264 | math-comp-buf-level (vconcat math-comp-buf-level | |
1265 | math-comp-buf-level))) | |
fdcf8e2b JB |
1266 | (aset math-comp-buf-string math-comp-level "") |
1267 | (aset math-comp-buf-margin math-comp-level (+ math-comp-pos | |
136211a9 | 1268 | (or (nth 2 c) 0))) |
fdcf8e2b | 1269 | (aset math-comp-buf-level math-comp-level (nth 1 c))))) |
136211a9 EZ |
1270 | |
1271 | ((eq (car c) 'break) | |
1272 | (if (not calc-line-breaking) | |
fdcf8e2b JB |
1273 | (setq math-comp-buf (concat math-comp-buf math-comp-word) |
1274 | math-comp-word "") | |
136211a9 | 1275 | (let ((i 0) str) |
fdcf8e2b | 1276 | (if (and (> math-comp-pos math-comp-full-width) |
136211a9 EZ |
1277 | (progn |
1278 | (while (progn | |
1279 | (setq str (aref math-comp-buf-string i)) | |
fdcf8e2b | 1280 | (and (= (length str) 0) (< i math-comp-level))) |
136211a9 | 1281 | (setq i (1+ i))) |
fdcf8e2b | 1282 | (or (> (length str) 0) (> (length math-comp-buf) 0)))) |
136211a9 EZ |
1283 | (let ((prefix "") mrg wid) |
1284 | (setq mrg (aref math-comp-buf-margin i)) | |
1285 | (if (> mrg 12) ; indenting too far, go back to far left | |
1286 | (let ((j i) (new (if calc-line-numbering 5 1))) | |
fdcf8e2b | 1287 | '(while (<= j math-comp-level) |
136211a9 EZ |
1288 | (aset math-comp-buf-margin j |
1289 | (+ (aref math-comp-buf-margin j) (- new mrg))) | |
1290 | (setq j (1+ j))) | |
1291 | (setq mrg new))) | |
fdcf8e2b | 1292 | (setq wid (+ (length str) math-comp-margin)) |
136211a9 | 1293 | (and (> (length str) 0) (= (aref str 0) ? ) |
fdcf8e2b JB |
1294 | (> (length math-comp-buf) 0) |
1295 | (let ((k (length math-comp-buf))) | |
1296 | (while (not (= (aref math-comp-buf (setq k (1- k))) ?\n))) | |
1297 | (aset math-comp-buf k ? ) | |
1298 | (if (and (< (1+ k) (length math-comp-buf)) | |
1299 | (= (aref math-comp-buf (1+ k)) ? )) | |
136211a9 | 1300 | (progn |
fdcf8e2b | 1301 | (aset math-comp-buf (1+ k) ?\n) |
136211a9 EZ |
1302 | (setq prefix " ")) |
1303 | (setq prefix "\n")))) | |
fdcf8e2b | 1304 | (setq math-comp-buf (concat math-comp-buf prefix str "\n" |
136211a9 | 1305 | (make-string mrg ? )) |
fdcf8e2b JB |
1306 | math-comp-pos (+ math-comp-pos (- mrg wid)) |
1307 | math-comp-margin mrg) | |
136211a9 | 1308 | (aset math-comp-buf-string i "") |
fdcf8e2b | 1309 | (while (<= (setq i (1+ i)) math-comp-level) |
136211a9 EZ |
1310 | (if (> (aref math-comp-buf-margin i) wid) |
1311 | (aset math-comp-buf-margin i | |
1312 | (+ (aref math-comp-buf-margin i) | |
1313 | (- mrg wid)))))))) | |
fdcf8e2b JB |
1314 | (if (and (= (nth 1 c) (aref math-comp-buf-level math-comp-level)) |
1315 | (< math-comp-pos (+ (aref math-comp-buf-margin math-comp-level) 2))) | |
136211a9 | 1316 | () ; avoid stupid breaks, e.g., "1 +\n really_long_expr" |
fdcf8e2b | 1317 | (let ((str (aref math-comp-buf-string math-comp-level))) |
136211a9 | 1318 | (setq str (if (= (length str) 0) |
fdcf8e2b JB |
1319 | math-comp-word |
1320 | (concat str math-comp-word)) | |
1321 | math-comp-word "") | |
1322 | (while (< (nth 1 c) (aref math-comp-buf-level math-comp-level)) | |
1323 | (setq math-comp-level (1- math-comp-level)) | |
1324 | (or (= (length (aref math-comp-buf-string math-comp-level)) 0) | |
1325 | (setq str (concat (aref math-comp-buf-string math-comp-level) | |
136211a9 | 1326 | str)))) |
fdcf8e2b | 1327 | (aset math-comp-buf-string math-comp-level str))))) |
136211a9 EZ |
1328 | |
1329 | ((eq (car c) 'tag) | |
1330 | (cond ((eq (nth 1 c) math-comp-selected) | |
fdcf8e2b | 1331 | (let ((math-comp-highlight (not calc-show-selections))) |
136211a9 EZ |
1332 | (math-comp-to-string-flat-term (nth 2 c)))) |
1333 | ((eq (nth 1 c) t) | |
fdcf8e2b | 1334 | (let ((math-comp-highlight nil)) |
136211a9 EZ |
1335 | (math-comp-to-string-flat-term (nth 2 c)))) |
1336 | (t (math-comp-to-string-flat-term (nth 2 c))))) | |
1337 | ||
bf77c646 | 1338 | (t (math-comp-to-string-flat-term (nth 2 c))))) |
136211a9 EZ |
1339 | |
1340 | (defun math-comp-highlight-string (s) | |
1341 | (setq s (copy-sequence s)) | |
1342 | (let ((i (length s))) | |
1343 | (while (>= (setq i (1- i)) 0) | |
1344 | (or (memq (aref s i) '(32 ?\n)) | |
1345 | (aset s i (if calc-show-selections ?\. ?\#))))) | |
bf77c646 | 1346 | s) |
136211a9 | 1347 | |
fdcf8e2b JB |
1348 | |
1349 | ;; The variable math-comp-sel-tag is local to calc-find-selected-part | |
1350 | ;; in calc-sel.el, but is used by math-comp-sel-flat-term and | |
1351 | ;; math-comp-add-string-sel, which are called (indirectly) by | |
1352 | ;; calc-find-selected-part. | |
1353 | (defvar math-comp-sel-tag) | |
1354 | ||
136211a9 EZ |
1355 | (defun math-comp-sel-flat-term (c) |
1356 | (cond ((not (consp c)) | |
fdcf8e2b | 1357 | (setq math-comp-pos (+ math-comp-pos (length c)))) |
136211a9 EZ |
1358 | ((memq (car c) '(set break))) |
1359 | ((eq (car c) 'horiz) | |
1360 | (while (and (setq c (cdr c)) (< math-comp-sel-cpos 1000000)) | |
1361 | (math-comp-sel-flat-term (car c)))) | |
1362 | ((eq (car c) 'tag) | |
fdcf8e2b | 1363 | (if (<= math-comp-pos math-comp-sel-cpos) |
136211a9 EZ |
1364 | (progn |
1365 | (math-comp-sel-flat-term (nth 2 c)) | |
fdcf8e2b | 1366 | (if (> math-comp-pos math-comp-sel-cpos) |
136211a9 EZ |
1367 | (setq math-comp-sel-tag c |
1368 | math-comp-sel-cpos 1000000))) | |
1369 | (math-comp-sel-flat-term (nth 2 c)))) | |
bf77c646 | 1370 | (t (math-comp-sel-flat-term (nth 2 c))))) |
136211a9 EZ |
1371 | |
1372 | ||
1373 | ;;; Simplify a composition to a canonical form consisting of | |
1374 | ;;; (vleft n "string" "string" "string" ...) | |
1375 | ;;; where 0 <= n < number-of-strings. | |
1376 | ||
fdcf8e2b JB |
1377 | ;; The variables math-comp-base, math-comp-hgt, math-comp-tag, |
1378 | ;; math-comp-hpos and math-comp-vpos are local to math-comp-simplify, | |
1379 | ;; but are used by math-comp-add-string (math-comp-base, math-comp-hgt), | |
1380 | ;; math-comp-add-string-sel (math-comp-tag) and math-comp-simplify-term | |
1381 | ;; (math-comp-tag, math-comp-vpos, math-comp-hpos), which are called by | |
1382 | ;; math-comp-simplify. | |
1383 | (defvar math-comp-base) | |
1384 | (defvar math-comp-hgt) | |
1385 | (defvar math-comp-tag) | |
1386 | (defvar math-comp-hpos) | |
1387 | (defvar math-comp-vpos) | |
1388 | ||
136211a9 | 1389 | (defun math-comp-simplify (c full-width) |
fdcf8e2b JB |
1390 | (let ((math-comp-buf (list "")) |
1391 | (math-comp-base 0) | |
1392 | (math-comp-hgt 1) | |
1393 | (math-comp-hpos 0) | |
1394 | (math-comp-vpos 0) | |
1395 | (math-comp-highlight (and math-comp-selected calc-show-selections)) | |
1396 | (math-comp-tag nil)) | |
136211a9 | 1397 | (math-comp-simplify-term c) |
fdcf8e2b | 1398 | (cons 'vleft (cons math-comp-base math-comp-buf)))) |
136211a9 EZ |
1399 | |
1400 | (defun math-comp-add-string (s h v) | |
1401 | (and (> (length s) 0) | |
fdcf8e2b | 1402 | (let ((vv (+ v math-comp-base))) |
136211a9 EZ |
1403 | (if math-comp-sel-hpos |
1404 | (math-comp-add-string-sel h vv (length s) 1) | |
1405 | (if (< vv 0) | |
fdcf8e2b JB |
1406 | (setq math-comp-buf (nconc (make-list (- vv) "") math-comp-buf) |
1407 | math-comp-base (- v) | |
1408 | math-comp-hgt (- math-comp-hgt vv) | |
136211a9 | 1409 | vv 0) |
fdcf8e2b JB |
1410 | (if (>= vv math-comp-hgt) |
1411 | (setq math-comp-buf (nconc math-comp-buf | |
1412 | (make-list (1+ (- vv math-comp-hgt)) "")) | |
1413 | math-comp-hgt (1+ vv)))) | |
1414 | (let ((str (nthcdr vv math-comp-buf))) | |
136211a9 EZ |
1415 | (setcar str (concat (car str) |
1416 | (make-string (- h (length (car str))) 32) | |
fdcf8e2b | 1417 | (if math-comp-highlight |
136211a9 | 1418 | (math-comp-highlight-string s) |
bf77c646 | 1419 | s)))))))) |
136211a9 EZ |
1420 | |
1421 | (defun math-comp-add-string-sel (x y w h) | |
1422 | (if (and (<= y math-comp-sel-vpos) | |
1423 | (> (+ y h) math-comp-sel-vpos) | |
1424 | (<= x math-comp-sel-hpos) | |
1425 | (> (+ x w) math-comp-sel-hpos)) | |
fdcf8e2b | 1426 | (setq math-comp-sel-tag math-comp-tag |
bf77c646 | 1427 | math-comp-sel-vpos 10000))) |
136211a9 EZ |
1428 | |
1429 | (defun math-comp-simplify-term (c) | |
1430 | (cond ((stringp c) | |
fdcf8e2b JB |
1431 | (math-comp-add-string c math-comp-hpos math-comp-vpos) |
1432 | (setq math-comp-hpos (+ math-comp-hpos (length c)))) | |
136211a9 EZ |
1433 | ((memq (car c) '(set break)) |
1434 | nil) | |
1435 | ((eq (car c) 'horiz) | |
1436 | (while (setq c (cdr c)) | |
1437 | (math-comp-simplify-term (car c)))) | |
1438 | ((memq (car c) '(vleft vcent vright)) | |
fdcf8e2b | 1439 | (let* ((math-comp-vpos (+ (- math-comp-vpos (nth 1 c)) |
136211a9 EZ |
1440 | (1- (math-comp-ascent (nth 2 c))))) |
1441 | (widths (mapcar 'math-comp-width (cdr (cdr c)))) | |
1442 | (maxwid (apply 'max widths)) | |
1443 | (bias (cond ((eq (car c) 'vleft) 0) | |
1444 | ((eq (car c) 'vcent) 1) | |
1445 | (t 2)))) | |
1446 | (setq c (cdr c)) | |
1447 | (while (setq c (cdr c)) | |
1448 | (if (eq (car-safe (car c)) 'rule) | |
1449 | (math-comp-add-string (make-string maxwid (nth 1 (car c))) | |
fdcf8e2b JB |
1450 | math-comp-hpos math-comp-vpos) |
1451 | (let ((math-comp-hpos (+ math-comp-hpos (/ (* bias (- maxwid | |
136211a9 EZ |
1452 | (car widths))) |
1453 | 2)))) | |
1454 | (math-comp-simplify-term (car c)))) | |
1455 | (and (cdr c) | |
fdcf8e2b | 1456 | (setq math-comp-vpos (+ math-comp-vpos |
136211a9 EZ |
1457 | (+ (math-comp-descent (car c)) |
1458 | (math-comp-ascent (nth 1 c)))) | |
1459 | widths (cdr widths)))) | |
fdcf8e2b | 1460 | (setq math-comp-hpos (+ math-comp-hpos maxwid)))) |
136211a9 EZ |
1461 | ((eq (car c) 'supscr) |
1462 | (let* ((asc (or 1 (math-comp-ascent (nth 1 c)))) | |
1463 | (desc (math-comp-descent (nth 2 c))) | |
1464 | (oldh (prog1 | |
fdcf8e2b | 1465 | math-comp-hpos |
136211a9 | 1466 | (math-comp-simplify-term (nth 1 c)))) |
fdcf8e2b | 1467 | (math-comp-vpos (- math-comp-vpos (+ asc desc)))) |
136211a9 EZ |
1468 | (math-comp-simplify-term (nth 2 c)) |
1469 | (if math-comp-sel-hpos | |
1470 | (math-comp-add-string-sel oldh | |
fdcf8e2b | 1471 | (- math-comp-vpos |
136211a9 EZ |
1472 | -1 |
1473 | (math-comp-ascent (nth 2 c))) | |
fdcf8e2b | 1474 | (- math-comp-hpos oldh) |
136211a9 EZ |
1475 | (math-comp-height c))))) |
1476 | ((eq (car c) 'subscr) | |
1477 | (let* ((asc (math-comp-ascent (nth 2 c))) | |
1478 | (desc (math-comp-descent (nth 1 c))) | |
fdcf8e2b | 1479 | (oldv math-comp-vpos) |
136211a9 | 1480 | (oldh (prog1 |
fdcf8e2b | 1481 | math-comp-hpos |
136211a9 | 1482 | (math-comp-simplify-term (nth 1 c)))) |
fdcf8e2b | 1483 | (math-comp-vpos (+ math-comp-vpos (+ asc desc)))) |
136211a9 EZ |
1484 | (math-comp-simplify-term (nth 2 c)) |
1485 | (if math-comp-sel-hpos | |
1486 | (math-comp-add-string-sel oldh oldv | |
fdcf8e2b | 1487 | (- math-comp-hpos oldh) |
136211a9 EZ |
1488 | (math-comp-height c))))) |
1489 | ((eq (car c) 'tag) | |
1490 | (cond ((eq (nth 1 c) math-comp-selected) | |
fdcf8e2b | 1491 | (let ((math-comp-highlight (not calc-show-selections))) |
136211a9 EZ |
1492 | (math-comp-simplify-term (nth 2 c)))) |
1493 | ((eq (nth 1 c) t) | |
fdcf8e2b | 1494 | (let ((math-comp-highlight nil)) |
136211a9 | 1495 | (math-comp-simplify-term (nth 2 c)))) |
fdcf8e2b | 1496 | (t (let ((math-comp-tag c)) |
bf77c646 | 1497 | (math-comp-simplify-term (nth 2 c)))))))) |
136211a9 EZ |
1498 | |
1499 | ||
1500 | ;;; Measuring a composition. | |
1501 | ||
1502 | (defun math-comp-first-char (c) | |
1503 | (cond ((stringp c) | |
1504 | (and (> (length c) 0) | |
1505 | (elt c 0))) | |
1506 | ((memq (car c) '(horiz subscr supscr)) | |
1507 | (while (and (setq c (cdr c)) | |
1508 | (math-comp-is-null (car c)))) | |
1509 | (and c (math-comp-first-char (car c)))) | |
1510 | ((eq (car c) 'tag) | |
bf77c646 | 1511 | (math-comp-first-char (nth 2 c))))) |
136211a9 EZ |
1512 | |
1513 | (defun math-comp-first-string (c) | |
1514 | (cond ((stringp c) | |
1515 | (and (> (length c) 0) | |
1516 | c)) | |
1517 | ((eq (car c) 'horiz) | |
1518 | (while (and (setq c (cdr c)) | |
1519 | (math-comp-is-null (car c)))) | |
1520 | (and c (math-comp-first-string (car c)))) | |
1521 | ((eq (car c) 'tag) | |
bf77c646 | 1522 | (math-comp-first-string (nth 2 c))))) |
136211a9 EZ |
1523 | |
1524 | (defun math-comp-last-char (c) | |
1525 | (cond ((stringp c) | |
1526 | (and (> (length c) 0) | |
1527 | (elt c (1- (length c))))) | |
1528 | ((eq (car c) 'horiz) | |
1529 | (let ((c (reverse (cdr c)))) | |
1530 | (while (and c (math-comp-is-null (car c))) | |
1531 | (setq c (cdr c))) | |
1532 | (and c (math-comp-last-char (car c))))) | |
1533 | ((eq (car c) 'tag) | |
bf77c646 | 1534 | (math-comp-last-char (nth 2 c))))) |
136211a9 EZ |
1535 | |
1536 | (defun math-comp-is-null (c) | |
1537 | (cond ((stringp c) (= (length c) 0)) | |
1538 | ((memq (car c) '(horiz subscr supscr)) | |
1539 | (while (and (setq c (cdr c)) | |
1540 | (math-comp-is-null (car c)))) | |
1541 | (null c)) | |
1542 | ((eq (car c) 'tag) | |
1543 | (math-comp-is-null (nth 2 c))) | |
bf77c646 | 1544 | ((memq (car c) '(set break)) t))) |
136211a9 EZ |
1545 | |
1546 | (defun math-comp-width (c) | |
1547 | (cond ((not (consp c)) (length c)) | |
1548 | ((memq (car c) '(horiz subscr supscr)) | |
1549 | (let ((accum 0)) | |
1550 | (while (setq c (cdr c)) | |
1551 | (setq accum (+ accum (math-comp-width (car c))))) | |
1552 | accum)) | |
1553 | ((memq (car c) '(vcent vleft vright)) | |
1554 | (setq c (cdr c)) | |
1555 | (let ((accum 0)) | |
1556 | (while (setq c (cdr c)) | |
1557 | (setq accum (max accum (math-comp-width (car c))))) | |
1558 | accum)) | |
1559 | ((eq (car c) 'tag) | |
1560 | (math-comp-width (nth 2 c))) | |
bf77c646 | 1561 | (t 0))) |
136211a9 EZ |
1562 | |
1563 | (defun math-comp-height (c) | |
1564 | (if (stringp c) | |
1565 | 1 | |
bf77c646 | 1566 | (+ (math-comp-ascent c) (math-comp-descent c)))) |
136211a9 EZ |
1567 | |
1568 | (defun math-comp-ascent (c) | |
1569 | (cond ((not (consp c)) 1) | |
1570 | ((eq (car c) 'horiz) | |
1571 | (let ((accum 0)) | |
1572 | (while (setq c (cdr c)) | |
1573 | (setq accum (max accum (math-comp-ascent (car c))))) | |
1574 | accum)) | |
1575 | ((memq (car c) '(vcent vleft vright)) | |
1576 | (if (> (nth 1 c) 0) (1+ (nth 1 c)) 1)) | |
1577 | ((eq (car c) 'supscr) | |
1578 | (max (math-comp-ascent (nth 1 c)) (1+ (math-comp-height (nth 2 c))))) | |
1579 | ((eq (car c) 'subscr) | |
1580 | (math-comp-ascent (nth 1 c))) | |
1581 | ((eq (car c) 'tag) | |
1582 | (math-comp-ascent (nth 2 c))) | |
bf77c646 | 1583 | (t 1))) |
136211a9 EZ |
1584 | |
1585 | (defun math-comp-descent (c) | |
1586 | (cond ((not (consp c)) 0) | |
1587 | ((eq (car c) 'horiz) | |
1588 | (let ((accum 0)) | |
1589 | (while (setq c (cdr c)) | |
1590 | (setq accum (max accum (math-comp-descent (car c))))) | |
1591 | accum)) | |
1592 | ((memq (car c) '(vcent vleft vright)) | |
1593 | (let ((accum (- (nth 1 c)))) | |
1594 | (setq c (cdr c)) | |
1595 | (while (setq c (cdr c)) | |
1596 | (setq accum (+ accum (math-comp-height (car c))))) | |
1597 | (max (1- accum) 0))) | |
1598 | ((eq (car c) 'supscr) | |
1599 | (math-comp-descent (nth 1 c))) | |
1600 | ((eq (car c) 'subscr) | |
1601 | (+ (math-comp-descent (nth 1 c)) (math-comp-height (nth 2 c)))) | |
1602 | ((eq (car c) 'tag) | |
1603 | (math-comp-descent (nth 2 c))) | |
bf77c646 | 1604 | (t 0))) |
136211a9 EZ |
1605 | |
1606 | (defun calcFunc-cwidth (a &optional prec) | |
1607 | (if (and prec (not (integerp prec))) (math-reject-arg prec 'fixnump)) | |
bf77c646 | 1608 | (math-comp-width (math-compose-expr a (or prec 0)))) |
136211a9 EZ |
1609 | |
1610 | (defun calcFunc-cheight (a &optional prec) | |
1611 | (if (and prec (not (integerp prec))) (math-reject-arg prec 'fixnump)) | |
1612 | (if (and (memq (car a) '(calcFunc-cvspace calcFunc-ctspace calcFunc-cbspace)) | |
1613 | (memq (length a) '(2 3)) | |
1614 | (eq (nth 1 a) 0)) | |
1615 | 0 | |
bf77c646 | 1616 | (math-comp-height (math-compose-expr a (or prec 0))))) |
136211a9 EZ |
1617 | |
1618 | (defun calcFunc-cascent (a &optional prec) | |
1619 | (if (and prec (not (integerp prec))) (math-reject-arg prec 'fixnump)) | |
1620 | (if (and (memq (car a) '(calcFunc-cvspace calcFunc-ctspace calcFunc-cbspace)) | |
1621 | (memq (length a) '(2 3)) | |
1622 | (eq (nth 1 a) 0)) | |
1623 | 0 | |
bf77c646 | 1624 | (math-comp-ascent (math-compose-expr a (or prec 0))))) |
136211a9 EZ |
1625 | |
1626 | (defun calcFunc-cdescent (a &optional prec) | |
1627 | (if (and prec (not (integerp prec))) (math-reject-arg prec 'fixnump)) | |
bf77c646 | 1628 | (math-comp-descent (math-compose-expr a (or prec 0)))) |
136211a9 EZ |
1629 | |
1630 | ||
1631 | ;;; Convert a simplified composition into string form. | |
1632 | ||
1633 | (defun math-vert-comp-to-string (c) | |
1634 | (if (stringp c) | |
1635 | c | |
bf77c646 | 1636 | (math-vert-comp-to-string-step (cdr (cdr c))))) |
136211a9 EZ |
1637 | |
1638 | (defun math-vert-comp-to-string-step (c) | |
1639 | (if (cdr c) | |
1640 | (concat (car c) "\n" (math-vert-comp-to-string-step (cdr c))) | |
bf77c646 | 1641 | (car c))) |
136211a9 EZ |
1642 | |
1643 | ||
1644 | ;;; Convert a composition to a string in "raw" form (for debugging). | |
1645 | ||
1646 | (defun math-comp-to-string-raw (c indent) | |
1647 | (cond ((or (not (consp c)) (eq (car c) 'set)) | |
1648 | (prin1-to-string c)) | |
1649 | ((null (cdr c)) | |
1650 | (concat "(" (symbol-name (car c)) ")")) | |
1651 | (t | |
1652 | (let ((next-indent (+ indent 2 (length (symbol-name (car c)))))) | |
1653 | (concat "(" | |
1654 | (symbol-name (car c)) | |
1655 | " " | |
1656 | (math-comp-to-string-raw (nth 1 c) next-indent) | |
1657 | (math-comp-to-string-raw-step (cdr (cdr c)) | |
1658 | next-indent) | |
bf77c646 | 1659 | ")"))))) |
136211a9 EZ |
1660 | |
1661 | (defun math-comp-to-string-raw-step (cl indent) | |
1662 | (if cl | |
1663 | (concat "\n" | |
1664 | (make-string indent 32) | |
1665 | (math-comp-to-string-raw (car cl) indent) | |
1666 | (math-comp-to-string-raw-step (cdr cl) indent)) | |
bf77c646 | 1667 | "")) |
136211a9 | 1668 | |
cfd31ee4 JB |
1669 | (provide 'calccomp) |
1670 | ||
cbee283d | 1671 | ;; arch-tag: 7c45d10a-a286-4dab-af49-7ae8989fbf78 |
bf77c646 | 1672 | ;;; calccomp.el ends here |