Lines Matching defs:calc
30 ;; This file is autoloaded from calc-ext.el.
32 (require 'calc-ext)
33 (require 'calc-macs)
35 ;; The variable calc-keep-selection is declared and set in calc-sel.el.
36 (defvar calc-keep-selection)
38 ;; The variable calc-sel-reselect is local to the methods below,
39 ;; but is used by some functions in calc-sel.el which are called
42 (defun calc-commute-left (arg)
45 (calc-commute-right (- arg))
46 (calc-wrapper
47 (calc-preserve-point)
48 (let ((num (max 1 (calc-locate-cursor-element (point))))
49 (calc-sel-reselect calc-keep-selection))
52 (let* ((entry (calc-top num 'entry))
54 (sel (calc-auto-selection entry))
57 (consp (setq parent (calc-find-assoc-parent-formula
60 (if (and calc-assoc-selections
61 (assq (car parent) calc-assoc-ops))
62 (let ((outer (calc-find-parent-formula parent sel)))
64 (setq new (calc-replace-sub-formula
69 calc-assoc-ops)))
71 (new (calc-build-assoc-term
73 (calc-build-assoc-term
81 (calc-build-assoc-term
86 (calc-build-assoc-term
90 (t (calc-build-assoc-term
92 (let ((next (calc-find-parent-formula parent outer)))
97 (setq new (calc-build-assoc-term
100 (calc-build-assoc-term
103 new (calc-replace-sub-formula
107 (let ((p (nthcdr (1- (calc-find-sub-formula parent sel))
114 (or calc-sel-reselect
115 (calc-pop-push-list 1 (list expr) num '(nil)))
117 (calc-pop-push-record-list
119 (list (calc-replace-sub-formula expr parent new))
121 (list (and (or (not (eq arg 0)) calc-sel-reselect)
124 (defun calc-commute-right (arg)
127 (calc-commute-left (- arg))
128 (calc-wrapper
129 (calc-preserve-point)
130 (let ((num (max 1 (calc-locate-cursor-element (point))))
131 (calc-sel-reselect calc-keep-selection))
134 (let* ((entry (calc-top num 'entry))
136 (sel (calc-auto-selection entry))
139 (consp (setq parent (calc-find-assoc-parent-formula
142 (if (and calc-assoc-selections
143 (assq (car parent) calc-assoc-ops))
144 (let ((outer (calc-find-parent-formula parent sel)))
146 (setq new (calc-replace-sub-formula
150 calc-assoc-ops)))
152 (calc-build-assoc-term
155 (calc-build-assoc-term
161 (calc-build-assoc-term
166 (calc-build-assoc-term
170 (t (calc-build-assoc-term
176 (let ((next (calc-find-parent-formula parent outer)))
180 (setq new (calc-build-assoc-term
182 (calc-build-assoc-term
186 new (calc-replace-sub-formula
190 (let ((p (nthcdr (calc-find-sub-formula parent sel)
197 (or calc-sel-reselect
198 (calc-pop-push-list 1 (list expr) num '(nil)))
200 (calc-pop-push-record-list
202 (list (calc-replace-sub-formula expr parent new))
204 (list (and (or (not (eq arg 0)) calc-sel-reselect)
207 (defun calc-build-assoc-term (op lhs rhs)
228 (defun calc-sel-unpack ()
230 (calc-wrapper
231 (calc-preserve-point)
232 (let* ((num (max 1 (calc-locate-cursor-element (point))))
233 (calc-sel-reselect calc-keep-selection)
234 (entry (calc-top num 'entry))
236 (sel (or (calc-auto-selection entry) expr)))
240 (calc-pop-push-record-list 1 "unpk"
241 (list (calc-replace-sub-formula
244 (list (and calc-sel-reselect (nth 1 sel)))))))
246 (defun calc-sel-isolate ()
248 (calc-slow-wrapper
249 (calc-preserve-point)
250 (let* ((num (max 1 (calc-locate-cursor-element (point))))
251 (calc-sel-reselect calc-keep-selection)
252 (entry (calc-top num 'entry))
254 (sel (or (calc-auto-selection entry) (error "No selection")))
257 (while (and (or (consp (setq eqn (calc-find-parent-formula expr eqn)))
259 (not (assq (car eqn) calc-tweak-eqn-table))))
260 (setq soln (math-solve-eqn eqn sel calc-hyperbolic-flag))
263 (setq soln (calc-encase-atoms
264 (if (eq (not (calc-find-sub-formula (nth 2 eqn) sel))
267 (list (nth 1 (assq (car soln) calc-tweak-eqn-table))
270 (calc-pop-push-record-list 1 "isol"
271 (list (calc-replace-sub-formula
274 (list (and calc-sel-reselect sel)))
275 (calc-handle-whys))))
277 (defun calc-sel-commute (many)
279 (let ((calc-assoc-selections nil))
280 (calc-rewrite-selection "CommuteRules" many "cmut"))
281 (calc-set-mode-line))
283 (defun calc-sel-jump-equals (many)
285 (calc-rewrite-selection "JumpRules" many "jump"))
287 (defun calc-sel-distribute (many)
289 (calc-rewrite-selection "DistribRules" many "dist"))
291 (defun calc-sel-merge (many)
293 (calc-rewrite-selection "MergeRules" many "merg"))
295 (defun calc-sel-negate (many)
297 (calc-rewrite-selection "NegateRules" many "jneg"))
299 (defun calc-sel-invert (many)
301 (calc-rewrite-selection "InvertRules" many "jinv"))