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- ;; Calculator for GNU Emacs, part II [calc-prog.el]
- ;; Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
- ;; Written by Dave Gillespie, daveg@synaptics.com.
-
- ;; This file is part of GNU Emacs.
-
- ;; GNU Emacs is distributed in the hope that it will be useful,
- ;; but WITHOUT ANY WARRANTY. No author or distributor
- ;; accepts responsibility to anyone for the consequences of using it
- ;; or for whether it serves any particular purpose or works at all,
- ;; unless he says so in writing. Refer to the GNU Emacs General Public
- ;; License for full details.
-
- ;; Everyone is granted permission to copy, modify and redistribute
- ;; GNU Emacs, but only under the conditions described in the
- ;; GNU Emacs General Public License. A copy of this license is
- ;; supposed to have been given to you along with GNU Emacs so you
- ;; can know your rights and responsibilities. It should be in a
- ;; file named COPYING. Among other things, the copyright notice
- ;; and this notice must be preserved on all copies.
-
-
-
- ;; This file is autoloaded from calc-ext.el.
- (require 'calc-ext)
-
- (require 'calc-macs)
-
- (defun calc-Need-calc-prog () nil)
-
-
- (defun calc-equal-to (arg)
- (interactive "P")
- (calc-wrapper
- (if (and (integerp arg) (> arg 2))
- (calc-enter-result arg "eq" (cons 'calcFunc-eq (calc-top-list-n arg)))
- (calc-binary-op "eq" 'calcFunc-eq arg)))
- )
-
- (defun calc-remove-equal (arg)
- (interactive "P")
- (calc-wrapper
- (calc-unary-op "rmeq" 'calcFunc-rmeq arg))
- )
-
- (defun calc-not-equal-to (arg)
- (interactive "P")
- (calc-wrapper
- (if (and (integerp arg) (> arg 2))
- (calc-enter-result arg "neq" (cons 'calcFunc-neq (calc-top-list-n arg)))
- (calc-binary-op "neq" 'calcFunc-neq arg)))
- )
-
- (defun calc-less-than (arg)
- (interactive "P")
- (calc-wrapper
- (calc-binary-op "lt" 'calcFunc-lt arg))
- )
-
- (defun calc-greater-than (arg)
- (interactive "P")
- (calc-wrapper
- (calc-binary-op "gt" 'calcFunc-gt arg))
- )
-
- (defun calc-less-equal (arg)
- (interactive "P")
- (calc-wrapper
- (calc-binary-op "leq" 'calcFunc-leq arg))
- )
-
- (defun calc-greater-equal (arg)
- (interactive "P")
- (calc-wrapper
- (calc-binary-op "geq" 'calcFunc-geq arg))
- )
-
- (defun calc-in-set (arg)
- (interactive "P")
- (calc-wrapper
- (calc-binary-op "in" 'calcFunc-in arg))
- )
-
- (defun calc-logical-and (arg)
- (interactive "P")
- (calc-wrapper
- (calc-binary-op "land" 'calcFunc-land arg 1))
- )
-
- (defun calc-logical-or (arg)
- (interactive "P")
- (calc-wrapper
- (calc-binary-op "lor" 'calcFunc-lor arg 0))
- )
-
- (defun calc-logical-not (arg)
- (interactive "P")
- (calc-wrapper
- (calc-unary-op "lnot" 'calcFunc-lnot arg))
- )
-
- (defun calc-logical-if ()
- (interactive)
- (calc-wrapper
- (calc-enter-result 3 "if" (cons 'calcFunc-if (calc-top-list-n 3))))
- )
-
-
-
-
-
- (defun calc-timing (n)
- (interactive "P")
- (calc-wrapper
- (calc-change-mode 'calc-timing n nil t)
- (message (if calc-timing
- "Reporting timing of slow commands in Trail."
- "Not reporting timing of commands.")))
- )
-
- (defun calc-pass-errors ()
- (interactive)
- ;; The following two cases are for the new, optimizing byte compiler
- ;; or the standard 18.57 byte compiler, respectively.
- (condition-case err
- (let ((place (aref (nth 2 (nth 2 (symbol-function 'calc-do))) 15)))
- (or (memq (car-safe (car-safe place)) '(error xxxerror))
- (setq place (aref (nth 2 (nth 2 (symbol-function 'calc-do))) 27)))
- (or (memq (car (car place)) '(error xxxerror))
- (error "foo"))
- (setcar (car place) 'xxxerror))
- (error (error "The calc-do function has been modified; unable to patch.")))
- )
-
- (defun calc-user-define ()
- (interactive)
- (message "Define user key: z-")
- (let ((key (read-char)))
- (if (= (calc-user-function-classify key) 0)
- (error "Can't redefine \"?\" key"))
- (let ((func (intern (completing-read (concat "Set key z "
- (char-to-string key)
- " to command: ")
- obarray
- 'commandp
- t
- "calc-"))))
- (let* ((kmap (calc-user-key-map))
- (old (assq key kmap)))
- (if old
- (setcdr old func)
- (setcdr kmap (cons (cons key func) (cdr kmap)))))))
- )
-
- (defun calc-user-undefine ()
- (interactive)
- (message "Undefine user key: z-")
- (let ((key (read-char)))
- (if (= (calc-user-function-classify key) 0)
- (error "Can't undefine \"?\" key"))
- (let* ((kmap (calc-user-key-map)))
- (delq (or (assq key kmap)
- (assq (upcase key) kmap)
- (assq (downcase key) kmap)
- (error "No such user key is defined"))
- kmap)))
- )
-
- (defun calc-user-define-formula ()
- (interactive)
- (calc-wrapper
- (let* ((form (calc-top 1))
- (arglist nil)
- (is-lambda (and (eq (car-safe form) 'calcFunc-lambda)
- (>= (length form) 2)))
- odef key keyname cmd cmd-base func alist is-symb)
- (if is-lambda
- (setq arglist (mapcar (function (lambda (x) (nth 1 x)))
- (nreverse (cdr (reverse (cdr form)))))
- form (nth (1- (length form)) form))
- (calc-default-formula-arglist form)
- (setq arglist (sort arglist 'string-lessp)))
- (message "Define user key: z-")
- (setq key (read-char))
- (if (= (calc-user-function-classify key) 0)
- (error "Can't redefine \"?\" key"))
- (setq key (and (not (memq key '(13 32))) key)
- keyname (and key
- (if (or (and (<= ?0 key) (<= key ?9))
- (and (<= ?a key) (<= key ?z))
- (and (<= ?A key) (<= key ?Z)))
- (char-to-string key)
- (format "%03d" key)))
- odef (assq key (calc-user-key-map)))
- (while
- (progn
- (setq cmd (completing-read "Define M-x command name: "
- obarray 'commandp nil
- (if (and odef (symbolp (cdr odef)))
- (symbol-name (cdr odef))
- "calc-"))
- cmd-base (and (string-match "\\`calc-\\(.+\\)\\'" cmd)
- (math-match-substring cmd 1))
- cmd (and (not (or (string-equal cmd "")
- (string-equal cmd "calc-")))
- (intern cmd)))
- (and cmd
- (fboundp cmd)
- odef
- (not
- (y-or-n-p
- (if (get cmd 'calc-user-defn)
- (concat "Replace previous definition for "
- (symbol-name cmd) "? ")
- "That name conflicts with a built-in Emacs function. Replace this function? "))))))
- (if (and key (not cmd))
- (setq cmd (intern (concat "calc-User-" keyname))))
- (while
- (progn
- (setq func (completing-read "Define algebraic function name: "
- obarray 'fboundp nil
- (concat "calcFunc-"
- (if cmd-base
- (if (string-match
- "\\`User-.+" cmd-base)
- (concat
- "User"
- (substring cmd-base 5))
- cmd-base)
- "")))
- func (and (not (or (string-equal func "")
- (string-equal func "calcFunc-")))
- (intern func)))
- (and func
- (fboundp func)
- (not (fboundp cmd))
- odef
- (not
- (y-or-n-p
- (if (get func 'calc-user-defn)
- (concat "Replace previous definition for "
- (symbol-name func) "? ")
- "That name conflicts with a built-in Emacs function. Replace this function? "))))))
- (if (not func)
- (setq func (intern (concat "calcFunc-User"
- (or keyname
- (and cmd (symbol-name cmd))
- (format "%05d" (% (random) 10000)))))))
- (if is-lambda
- (setq alist arglist)
- (while
- (progn
- (setq alist (read-from-minibuffer "Function argument list: "
- (if arglist
- (prin1-to-string arglist)
- "()")
- minibuffer-local-map
- t))
- (and (not (calc-subsetp alist arglist))
- (not (y-or-n-p
- "Okay for arguments that don't appear in formula to be ignored? "))))))
- (setq is-symb (and alist
- func
- (y-or-n-p
- "Leave it symbolic for non-constant arguments? ")))
- (setq alist (mapcar (function (lambda (x)
- (or (cdr (assq x '((nil . arg-nil)
- (t . arg-t))))
- x))) alist))
- (if cmd
- (progn
- (calc-need-macros)
- (fset cmd
- (list 'lambda
- '()
- '(interactive)
- (list 'calc-wrapper
- (list 'calc-enter-result
- (length alist)
- (let ((name (symbol-name (or func cmd))))
- (and (string-match
- "\\([^-][^-]?[^-]?[^-]?\\)[^-]*\\'"
- name)
- (math-match-substring name 1)))
- (list 'cons
- (list 'quote func)
- (list 'calc-top-list-n
- (length alist)))))))
- (put cmd 'calc-user-defn t)))
- (let ((body (list 'math-normalize (calc-fix-user-formula form))))
- (fset func
- (append
- (list 'lambda alist)
- (and is-symb
- (mapcar (function (lambda (v)
- (list 'math-check-const v t)))
- alist))
- (list body))))
- (put func 'calc-user-defn form)
- (setq math-integral-cache-state nil)
- (if key
- (let* ((kmap (calc-user-key-map))
- (old (assq key kmap)))
- (if old
- (setcdr old cmd)
- (setcdr kmap (cons (cons key cmd) (cdr kmap)))))))
- (message ""))
- )
-
- (defun calc-default-formula-arglist (form)
- (if (consp form)
- (if (eq (car form) 'var)
- (if (or (memq (nth 1 form) arglist)
- (math-const-var form))
- ()
- (setq arglist (cons (nth 1 form) arglist)))
- (calc-default-formula-arglist-step (cdr form))))
- )
-
- (defun calc-default-formula-arglist-step (l)
- (and l
- (progn
- (calc-default-formula-arglist (car l))
- (calc-default-formula-arglist-step (cdr l))))
- )
-
- (defun calc-subsetp (a b)
- (or (null a)
- (and (memq (car a) b)
- (calc-subsetp (cdr a) b)))
- )
-
- (defun calc-fix-user-formula (f)
- (if (consp f)
- (let (temp)
- (cond ((and (eq (car f) 'var)
- (memq (setq temp (or (cdr (assq (nth 1 f) '((nil . arg-nil)
- (t . arg-t))))
- (nth 1 f)))
- alist))
- temp)
- ((or (math-constp f) (eq (car f) 'var))
- (list 'quote f))
- ((and (eq (car f) 'calcFunc-eval)
- (= (length f) 2))
- (list 'let '((calc-simplify-mode nil))
- (list 'math-normalize (calc-fix-user-formula (nth 1 f)))))
- ((and (eq (car f) 'calcFunc-evalsimp)
- (= (length f) 2))
- (list 'math-simplify (calc-fix-user-formula (nth 1 f))))
- ((and (eq (car f) 'calcFunc-evalextsimp)
- (= (length f) 2))
- (list 'math-simplify-extended
- (calc-fix-user-formula (nth 1 f))))
- (t
- (cons 'list
- (cons (list 'quote (car f))
- (mapcar 'calc-fix-user-formula (cdr f)))))))
- f)
- )
-
- (defun calc-user-define-composition ()
- (interactive)
- (calc-wrapper
- (if (eq calc-language 'unform)
- (error "Can't define formats for unformatted mode"))
- (let* ((comp (calc-top 1))
- (func (intern (completing-read "Define format for which function: "
- obarray 'fboundp nil "calcFunc-")))
- (comps (get func 'math-compose-forms))
- entry entry2
- (arglist nil)
- (alist nil))
- (if (math-zerop comp)
- (if (setq entry (assq calc-language comps))
- (put func 'math-compose-forms (delq entry comps)))
- (calc-default-formula-arglist comp)
- (setq arglist (sort arglist 'string-lessp))
- (while
- (progn
- (setq alist (read-from-minibuffer "Composition argument list: "
- (if arglist
- (prin1-to-string arglist)
- "()")
- minibuffer-local-map
- t))
- (and (not (calc-subsetp alist arglist))
- (y-or-n-p
- "Okay for arguments that don't appear in formula to be invisible? "))))
- (or (setq entry (assq calc-language comps))
- (put func 'math-compose-forms
- (cons (setq entry (list calc-language)) comps)))
- (or (setq entry2 (assq (length alist) (cdr entry)))
- (setcdr entry
- (cons (setq entry2 (list (length alist))) (cdr entry))))
- (setcdr entry2 (list 'lambda alist (calc-fix-user-formula comp))))
- (calc-pop-stack 1)
- (calc-do-refresh)))
- )
-
-
- (defun calc-user-define-kbd-macro (arg)
- (interactive "P")
- (or last-kbd-macro
- (error "No keyboard macro defined"))
- (message "Define last kbd macro on user key: z-")
- (let ((key (read-char)))
- (if (= (calc-user-function-classify key) 0)
- (error "Can't redefine \"?\" key"))
- (let ((cmd (intern (completing-read "Full name for new command: "
- obarray
- 'commandp
- nil
- (concat "calc-User-"
- (if (or (and (>= key ?a)
- (<= key ?z))
- (and (>= key ?A)
- (<= key ?Z))
- (and (>= key ?0)
- (<= key ?9)))
- (char-to-string key)
- (format "%03d" key)))))))
- (and (fboundp cmd)
- (not (let ((f (symbol-function cmd)))
- (or (stringp f)
- (and (consp f)
- (eq (car-safe (nth 3 f))
- 'calc-execute-kbd-macro)))))
- (error "Function %s is already defined and not a keyboard macro"
- cmd))
- (put cmd 'calc-user-defn t)
- (fset cmd (if (< (prefix-numeric-value arg) 0)
- last-kbd-macro
- (list 'lambda
- '(arg)
- '(interactive "P")
- (list 'calc-execute-kbd-macro
- (vector (key-description last-kbd-macro)
- last-kbd-macro)
- 'arg
- (format "z%c" key)))))
- (let* ((kmap (calc-user-key-map))
- (old (assq key kmap)))
- (if old
- (setcdr old cmd)
- (setcdr kmap (cons (cons key cmd) (cdr kmap)))))))
- )
-
-
- (defun calc-edit-user-syntax ()
- (interactive)
- (calc-wrapper
- (let ((lang calc-language))
- (calc-edit-mode (list 'calc-finish-user-syntax-edit (list 'quote lang))
- t
- (format "Editing %s-Mode Syntax Table"
- (cond ((null lang) "Normal")
- ((eq lang 'tex) "TeX")
- (t (capitalize (symbol-name lang))))))
- (calc-write-parse-table (cdr (assq lang calc-user-parse-tables))
- lang)))
- (calc-show-edit-buffer)
- )
-
- (defun calc-finish-user-syntax-edit (lang)
- (let ((tab (calc-read-parse-table calc-original-buffer lang))
- (entry (assq lang calc-user-parse-tables)))
- (if tab
- (setcdr (or entry
- (car (setq calc-user-parse-tables
- (cons (list lang) calc-user-parse-tables))))
- tab)
- (if entry
- (setq calc-user-parse-tables
- (delq entry calc-user-parse-tables)))))
- (switch-to-buffer calc-original-buffer)
- )
-
- (defun calc-write-parse-table (tab calc-lang)
- (let ((p tab))
- (while p
- (calc-write-parse-table-part (car (car p)))
- (insert ":= "
- (let ((math-format-hash-args t))
- (math-format-flat-expr (cdr (car p)) 0))
- "\n")
- (setq p (cdr p))))
- )
-
- (defun calc-write-parse-table-part (p)
- (while p
- (cond ((stringp (car p))
- (let ((s (car p)))
- (if (and (string-match "\\`\\\\dots\\>" s)
- (not (eq calc-lang 'tex)))
- (setq s (concat ".." (substring s 5))))
- (if (or (and (string-match
- "[a-zA-Z0-9\"{}]\\|\\`:=\\'\\|\\`#\\|\\`%%" s)
- (string-match "[^a-zA-Z0-9\\]" s))
- (and (assoc s '((")") ("]") (">")))
- (not (cdr p))))
- (insert (prin1-to-string s) " ")
- (insert s " "))))
- ((integerp (car p))
- (insert "#")
- (or (= (car p) 0)
- (insert "/" (int-to-string (car p))))
- (insert " "))
- ((and (eq (car (car p)) '\?) (equal (car (nth 2 (car p))) "$$"))
- (insert (car (nth 1 (car p))) " "))
- (t
- (insert "{ ")
- (calc-write-parse-table-part (nth 1 (car p)))
- (insert "}" (symbol-name (car (car p))))
- (if (nth 2 (car p))
- (calc-write-parse-table-part (list (car (nth 2 (car p)))))
- (insert " "))))
- (setq p (cdr p)))
- )
-
- (defun calc-read-parse-table (calc-buf calc-lang)
- (let ((tab nil))
- (while (progn
- (skip-chars-forward "\n\t ")
- (not (eobp)))
- (if (looking-at "%%")
- (end-of-line)
- (let ((pt (point))
- (p (calc-read-parse-table-part ":=[\n\t ]+" ":=")))
- (or (stringp (car p))
- (and (integerp (car p))
- (stringp (nth 1 p)))
- (progn
- (goto-char pt)
- (error "Malformed syntax rule")))
- (let ((pos (point)))
- (end-of-line)
- (let* ((str (buffer-substring pos (point)))
- (exp (save-excursion
- (set-buffer calc-buf)
- (let ((calc-user-parse-tables nil)
- (calc-language nil)
- (math-expr-opers math-standard-opers)
- (calc-hashes-used 0))
- (math-read-expr
- (if (string-match ",[ \t]*\\'" str)
- (substring str 0 (match-beginning 0))
- str))))))
- (if (eq (car-safe exp) 'error)
- (progn
- (goto-char (+ pos (nth 1 exp)))
- (error (nth 2 exp))))
- (setq tab (nconc tab (list (cons p exp)))))))))
- tab)
- )
-
- (defun calc-fix-token-name (name &optional unquoted)
- (cond ((string-match "\\`\\.\\." name)
- (concat "\\dots" (substring name 2)))
- ((and (equal name "{") (memq calc-lang '(tex eqn)))
- "(")
- ((and (equal name "}") (memq calc-lang '(tex eqn)))
- ")")
- ((and (equal name "&") (eq calc-lang 'tex))
- ",")
- ((equal name "#")
- (search-backward "#")
- (error "Token '#' is reserved"))
- ((and unquoted (string-match "#" name))
- (error "Tokens containing '#' must be quoted"))
- ((not (string-match "[^ ]" name))
- (search-backward "\"" nil t)
- (error "Blank tokens are not allowed"))
- (t name))
- )
-
- (defun calc-read-parse-table-part (term eterm)
- (let ((part nil)
- (quoted nil))
- (while (progn
- (skip-chars-forward "\n\t ")
- (if (eobp) (error "Expected '%s'" eterm))
- (not (looking-at term)))
- (cond ((looking-at "%%")
- (end-of-line))
- ((looking-at "{[\n\t ]")
- (forward-char 2)
- (let ((p (calc-read-parse-table-part "}" "}")))
- (or (looking-at "[+*?]")
- (error "Expected '+', '*', or '?'"))
- (let ((sym (intern (buffer-substring (point) (1+ (point))))))
- (forward-char 1)
- (looking-at "[^\n\t ]*")
- (let ((sep (buffer-substring (point) (match-end 0))))
- (goto-char (match-end 0))
- (and (eq sym '\?) (> (length sep) 0)
- (not (equal sep "$")) (not (equal sep "."))
- (error "Separator not allowed with { ... }?"))
- (if (string-match "\\`\"" sep)
- (setq sep (read-from-string sep)))
- (setq sep (calc-fix-token-name sep))
- (setq part (nconc part
- (list (list sym p
- (and (> (length sep) 0)
- (cons sep p))))))))))
- ((looking-at "}")
- (error "Too many }'s"))
- ((looking-at "\"")
- (setq quoted (calc-fix-token-name (read (current-buffer)))
- part (nconc part (list quoted))))
- ((looking-at "#\\(\\(/[0-9]+\\)?\\)[\n\t ]")
- (setq part (nconc part (list (if (= (match-beginning 1)
- (match-end 1))
- 0
- (string-to-int
- (buffer-substring
- (1+ (match-beginning 1))
- (match-end 1)))))))
- (goto-char (match-end 0)))
- ((looking-at ":=[\n\t ]")
- (error "Misplaced ':='"))
- (t
- (looking-at "[^\n\t ]*")
- (let ((end (match-end 0)))
- (setq part (nconc part (list (calc-fix-token-name
- (buffer-substring
- (point) end) t))))
- (goto-char end)))))
- (goto-char (match-end 0))
- (let ((len (length part)))
- (while (and (> len 1)
- (let ((last (nthcdr (setq len (1- len)) part)))
- (and (assoc (car last) '((")") ("]") (">")))
- (not (eq (car last) quoted))
- (setcar last
- (list '\? (list (car last)) '("$$"))))))))
- part)
- )
-
-
- (defun calc-user-define-invocation ()
- (interactive)
- (or last-kbd-macro
- (error "No keyboard macro defined"))
- (setq calc-invocation-macro last-kbd-macro)
- (message "Use `M-# Z' to invoke this macro")
- )
-
-
- (defun calc-user-define-edit (prefix)
- (interactive "P") ; but no calc-wrapper!
- (message "Edit definition of command: z-")
- (let* ((key (read-char))
- (def (or (assq key (calc-user-key-map))
- (assq (upcase key) (calc-user-key-map))
- (assq (downcase key) (calc-user-key-map))
- (error "No command defined for that key")))
- (cmd (cdr def)))
- (if (symbolp cmd)
- (setq cmd (symbol-function cmd)))
- (cond ((or (stringp cmd)
- (and (consp cmd)
- (eq (car-safe (nth 3 cmd)) 'calc-execute-kbd-macro)))
- (if (and (>= (prefix-numeric-value prefix) 0)
- (fboundp 'edit-kbd-macro)
- (symbolp (cdr def))
- (eq major-mode 'calc-mode))
- (progn
- (if (and (< (window-width) (screen-width))
- calc-display-trail)
- (let ((win (get-buffer-window (calc-trail-buffer))))
- (if win
- (delete-window win))))
- (edit-kbd-macro (cdr def) prefix nil
- (function
- (lambda (x)
- (and calc-display-trail
- (calc-wrapper
- (calc-trail-display 1 t)))))
- (function
- (lambda (cmd)
- (if (stringp (symbol-function cmd))
- (symbol-function cmd)
- (let ((mac (nth 1 (nth 3 (symbol-function
- cmd)))))
- (if (vectorp mac)
- (aref mac 1)
- mac)))))
- (function
- (lambda (new cmd)
- (if (stringp (symbol-function cmd))
- (fset cmd new)
- (let ((mac (cdr (nth 3 (symbol-function
- cmd)))))
- (if (vectorp (car mac))
- (progn
- (aset (car mac) 0
- (key-description new))
- (aset (car mac) 1 new))
- (setcar mac new))))))))
- (let ((keys (progn (and (fboundp 'edit-kbd-macro)
- (edit-kbd-macro nil))
- (fboundp 'MacEdit-parse-keys))))
- (calc-wrapper
- (calc-edit-mode (list 'calc-finish-macro-edit
- (list 'quote def)
- keys)
- t)
- (if keys
- (let (top
- (fill-column 70)
- (fill-prefix nil))
- (insert "Notations: RET, SPC, TAB, DEL, LFD, NUL"
- ", C-xxx, M-xxx.\n\n")
- (setq top (point))
- (insert (if (stringp cmd)
- (key-description cmd)
- (if (vectorp (nth 1 (nth 3 cmd)))
- (aref (nth 1 (nth 3 cmd)) 0)
- (key-description (nth 1 (nth 3 cmd)))))
- "\n")
- (if (>= (prog2 (forward-char -1)
- (current-column)
- (forward-char 1))
- (screen-width))
- (fill-region top (point))))
- (insert "Press C-q to quote control characters like RET"
- " and TAB.\n"
- (if (stringp cmd)
- cmd
- (if (vectorp (nth 1 (nth 3 cmd)))
- (aref (nth 1 (nth 3 cmd)) 1)
- (nth 1 (nth 3 cmd)))))))
- (calc-show-edit-buffer)
- (forward-line (if keys 2 1)))))
- (t (let* ((func (calc-stack-command-p cmd))
- (defn (and func
- (symbolp func)
- (get func 'calc-user-defn))))
- (if (and defn (calc-valid-formula-func func))
- (progn
- (calc-wrapper
- (calc-edit-mode (list 'calc-finish-formula-edit
- (list 'quote func)))
- (insert (math-showing-full-precision
- (math-format-nice-expr defn (screen-width)))
- "\n"))
- (calc-show-edit-buffer))
- (error "That command's definition cannot be edited"))))))
- )
-
- (defun calc-finish-macro-edit (def keys)
- (forward-line 1)
- (if (and keys (looking-at "\n")) (forward-line 1))
- (let* ((true-str (buffer-substring (point) (point-max)))
- (str true-str))
- (if keys (setq str (MacEdit-parse-keys str)))
- (if (symbolp (cdr def))
- (if (stringp (symbol-function (cdr def)))
- (fset (cdr def) str)
- (let ((mac (cdr (nth 3 (symbol-function (cdr def))))))
- (if (vectorp (car mac))
- (progn
- (aset (car mac) 0 (if keys true-str (key-description str)))
- (aset (car mac) 1 str))
- (setcar mac str))))
- (setcdr def str)))
- )
-
- ;;; The following are hooks into the MacEdit package from macedit.el.
- (put 'calc-execute-extended-command 'MacEdit-print
- (function (lambda ()
- (setq macro-str (concat "\excalc-" macro-str))))
- )
-
- (put 'calcDigit-start 'MacEdit-print
- (function (lambda ()
- (if calc-algebraic-mode
- (calc-macro-edit-algebraic)
- (MacEdit-unread-chars key-last)
- (let ((str "")
- (min-bsp 0)
- ch last)
- (while (and (setq ch (MacEdit-read-char))
- (or (and (>= ch ?0) (<= ch ?9))
- (memq ch '(?\. ?e ?\_ ?n ?\: ?\# ?M
- ?o ?h ?\@ ?\"))
- (and (memq ch '(?\' ?m ?s))
- (string-match "[@oh]" str))
- (and (or (and (>= ch ?a) (<= ch ?z))
- (and (>= ch ?A) (<= ch ?Z)))
- (string-match
- "^[-+]?\\(1[1-9]\\|[2-9][0-9]\\)#"
- str))
- (and (memq ch '(?\177 ?\C-h))
- (> (length str) 0))
- (and (memq ch '(?+ ?-))
- (> (length str) 0)
- (eq (aref str (1- (length str)))
- ?e))))
- (if (or (and (>= ch ?0) (<= ch ?9))
- (and (or (not (memq ch '(?\177 ?\C-h)))
- (<= (length str) min-bsp))
- (setq min-bsp (1+ (length str)))))
- (setq str (concat str (char-to-string ch)))
- (setq str (substring str 0 -1))))
- (if (memq ch '(32 10 13))
- (setq str (concat str (char-to-string ch)))
- (MacEdit-unread-chars ch))
- (insert "type \"")
- (MacEdit-insert-string str)
- (insert "\"\n")))))
- )
-
- (defun calc-macro-edit-algebraic ()
- (MacEdit-unread-chars key-last)
- (let ((str "")
- (min-bsp 0))
- (while (progn
- (MacEdit-lookup-key calc-alg-ent-map)
- (or (and (memq key-symbol '(self-insert-command
- calcAlg-previous))
- (< (length str) 60))
- (memq key-symbol
- '(backward-delete-char
- delete-backward-char
- backward-delete-char-untabify))
- (eq key-last 9)))
- (setq macro-str (substring macro-str (length key-str)))
- (if (or (eq key-symbol 'self-insert-command)
- (and (or (not (memq key-symbol '(backward-delete-char
- delete-backward-char
- backward-delete-char-untabify)))
- (<= (length str) min-bsp))
- (setq min-bsp (+ (length str) (length key-str)))))
- (setq str (concat str key-str))
- (setq str (substring str 0 -1))))
- (if (memq key-last '(10 13))
- (setq str (concat str key-str)
- macro-str (substring macro-str (length key-str))))
- (if (> (length str) 0)
- (progn
- (insert "type \"")
- (MacEdit-insert-string str)
- (insert "\"\n"))))
- )
- (put 'calc-algebraic-entry 'MacEdit-print 'calc-macro-edit-algebraic)
- (put 'calc-auto-algebraic-entry 'MacEdit-print 'calc-macro-edit-algebraic)
-
- (defun calc-macro-edit-variable (&optional no-cmd)
- (let ((str "") ch)
- (or no-cmd (insert (symbol-name key-symbol) "\n"))
- (if (memq (MacEdit-peek-char) '(?\+ ?\- ?\* ?\/ ?\^ ?\|))
- (setq str (char-to-string (MacEdit-read-char))))
- (if (and (setq ch (MacEdit-peek-char))
- (>= ch ?0) (<= ch ?9))
- (insert "type \"" str
- (char-to-string (MacEdit-read-char)) "\"\n")
- (if (> (length str) 0)
- (insert "type \"" str "\"\n"))
- (MacEdit-read-argument)))
- )
- (put 'calc-store 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-store-into 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-store-neg 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-store-plus 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-store-minus 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-store-times 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-store-div 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-store-power 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-store-concat 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-store-inv 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-store-decr 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-store-incr 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-store-exchange 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-unstore 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-recall 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-let 'MacEdit-print 'calc-macro-edit-variable)
- (put 'calc-permanent-variable 'MacEdit-print 'calc-macro-edit-variable)
-
- (defun calc-macro-edit-variable-2 ()
- (calc-macro-edit-variable)
- (calc-macro-edit-variable t)
- )
- (put 'calc-copy-variable 'MacEdit-print 'calc-macro-edit-variable-2)
- (put 'calc-declare-variable 'MacEdit-print 'calc-macro-edit-variable-2)
-
- (defun calc-macro-edit-quick-digit ()
- (insert "type \"" key-str "\" # " (symbol-name key-symbol) "\n")
- )
- (put 'calc-store-quick 'MacEdit-print 'calc-macro-edit-quick-digit)
- (put 'calc-store-into-quick 'MacEdit-print 'calc-macro-edit-quick-digit)
- (put 'calc-recall-quick 'MacEdit-print 'calc-macro-edit-quick-digit)
- (put 'calc-select-part 'MacEdit-print 'calc-macro-edit-quick-digit)
- (put 'calc-clean-num 'MacEdit-print 'calc-macro-edit-quick-digit)
-
-
- (defun calc-finish-formula-edit (func)
- (let ((buf (current-buffer))
- (str (buffer-substring (point) (point-max)))
- (start (point))
- (body (calc-valid-formula-func func)))
- (set-buffer calc-original-buffer)
- (let ((val (math-read-expr str)))
- (if (eq (car-safe val) 'error)
- (progn
- (set-buffer buf)
- (goto-char (+ start (nth 1 val)))
- (error (nth 2 val))))
- (setcar (cdr body)
- (let ((alist (nth 1 (symbol-function func))))
- (calc-fix-user-formula val)))
- (put func 'calc-user-defn val)))
- )
-
- (defun calc-valid-formula-func (func)
- (let ((def (symbol-function func)))
- (and (consp def)
- (eq (car def) 'lambda)
- (progn
- (setq def (cdr (cdr def)))
- (while (and def
- (not (eq (car (car def)) 'math-normalize)))
- (setq def (cdr def)))
- (car def))))
- )
-
-
- (defun calc-get-user-defn ()
- (interactive)
- (calc-wrapper
- (message "Get definition of command: z-")
- (let* ((key (read-char))
- (def (or (assq key (calc-user-key-map))
- (assq (upcase key) (calc-user-key-map))
- (assq (downcase key) (calc-user-key-map))
- (error "No command defined for that key")))
- (cmd (cdr def)))
- (if (symbolp cmd)
- (setq cmd (symbol-function cmd)))
- (cond ((stringp cmd)
- (message "Keyboard macro: %s" cmd))
- (t (let* ((func (calc-stack-command-p cmd))
- (defn (and func
- (symbolp func)
- (get func 'calc-user-defn))))
- (if defn
- (progn
- (and (calc-valid-formula-func func)
- (setq defn (append '(calcFunc-lambda)
- (mapcar 'math-build-var-name
- (nth 1 (symbol-function
- func)))
- (list defn))))
- (calc-enter-result 0 "gdef" defn))
- (error "That command is not defined by a formula")))))))
- )
-
-
- (defun calc-user-define-permanent ()
- (interactive)
- (calc-wrapper
- (message "Record in %s the command: z-" calc-settings-file)
- (let* ((key (read-char))
- (def (or (assq key (calc-user-key-map))
- (assq (upcase key) (calc-user-key-map))
- (assq (downcase key) (calc-user-key-map))
- (and (eq key ?\')
- (cons nil
- (intern (completing-read
- (format "Record in %s the function: "
- calc-settings-file)
- obarray 'fboundp nil "calcFunc-"))))
- (error "No command defined for that key"))))
- (set-buffer (find-file-noselect (substitute-in-file-name
- calc-settings-file)))
- (goto-char (point-max))
- (let* ((cmd (cdr def))
- (fcmd (and cmd (symbolp cmd) (symbol-function cmd)))
- (func nil)
- (pt (point))
- (fill-column 70)
- (fill-prefix nil)
- str q-ok)
- (insert "\n;;; Definition stored by Calc on " (current-time-string)
- "\n(put 'calc-define '"
- (if (symbolp cmd) (symbol-name cmd) (format "key%d" key))
- " '(progn\n")
- (if (and fcmd
- (eq (car-safe fcmd) 'lambda)
- (get cmd 'calc-user-defn))
- (let ((pt (point)))
- (and (eq (car-safe (nth 3 fcmd)) 'calc-execute-kbd-macro)
- (vectorp (nth 1 (nth 3 fcmd)))
- (progn (and (fboundp 'edit-kbd-macro)
- (edit-kbd-macro nil))
- (fboundp 'MacEdit-parse-keys))
- (setq q-ok t)
- (aset (nth 1 (nth 3 fcmd)) 1 nil))
- (insert (setq str (prin1-to-string
- (cons 'defun (cons cmd (cdr fcmd)))))
- "\n")
- (or (and (string-match "\"" str) (not q-ok))
- (fill-region pt (point)))
- (indent-rigidly pt (point) 2)
- (delete-region pt (1+ pt))
- (insert " (put '" (symbol-name cmd)
- " 'calc-user-defn '"
- (prin1-to-string (get cmd 'calc-user-defn))
- ")\n")
- (setq func (calc-stack-command-p cmd))
- (let ((ffunc (and func (symbolp func) (symbol-function func)))
- (pt (point)))
- (and ffunc
- (eq (car-safe ffunc) 'lambda)
- (get func 'calc-user-defn)
- (progn
- (insert (setq str (prin1-to-string
- (cons 'defun (cons func
- (cdr ffunc)))))
- "\n")
- (or (and (string-match "\"" str) (not q-ok))
- (fill-region pt (point)))
- (indent-rigidly pt (point) 2)
- (delete-region pt (1+ pt))
- (setq pt (point))
- (insert "(put '" (symbol-name func)
- " 'calc-user-defn '"
- (prin1-to-string (get func 'calc-user-defn))
- ")\n")
- (fill-region pt (point))
- (indent-rigidly pt (point) 2)
- (delete-region pt (1+ pt))))))
- (and (stringp fcmd)
- (insert " (fset '" (prin1-to-string cmd)
- " " (prin1-to-string fcmd) ")\n")))
- (or func (setq func (and cmd (symbolp cmd) (fboundp cmd) cmd)))
- (if (get func 'math-compose-forms)
- (let ((pt (point)))
- (insert "(put '" (symbol-name cmd)
- " 'math-compose-forms '"
- (prin1-to-string (get func 'math-compose-forms))
- ")\n")
- (fill-region pt (point))
- (indent-rigidly pt (point) 2)
- (delete-region pt (1+ pt))))
- (if (car def)
- (insert " (define-key calc-mode-map "
- (prin1-to-string (concat "z" (char-to-string key)))
- " '"
- (prin1-to-string cmd)
- ")\n")))
- (insert "))\n")
- (save-buffer)))
- )
-
- (defun calc-stack-command-p (cmd)
- (if (and cmd (symbolp cmd))
- (and (fboundp cmd)
- (calc-stack-command-p (symbol-function cmd)))
- (and (consp cmd)
- (eq (car cmd) 'lambda)
- (setq cmd (or (assq 'calc-wrapper cmd)
- (assq 'calc-slow-wrapper cmd)))
- (setq cmd (assq 'calc-enter-result cmd))
- (memq (car (nth 3 cmd)) '(cons list))
- (eq (car (nth 1 (nth 3 cmd))) 'quote)
- (nth 1 (nth 1 (nth 3 cmd)))))
- )
-
-
- (defun calc-call-last-kbd-macro (arg)
- (interactive "P")
- (and defining-kbd-macro
- (error "Can't execute anonymous macro while defining one"))
- (or last-kbd-macro
- (error "No kbd macro has been defined"))
- (calc-execute-kbd-macro last-kbd-macro arg)
- )
-
- (defun calc-execute-kbd-macro (mac arg &rest prefix)
- (if (and (vectorp mac) (> (length mac) 0) (stringp (aref mac 0)))
- (setq mac (or (aref mac 1)
- (aset mac 1 (progn (and (fboundp 'edit-kbd-macro)
- (edit-kbd-macro nil))
- (MacEdit-parse-keys (aref mac 0)))))))
- (if (< (prefix-numeric-value arg) 0)
- (execute-kbd-macro mac (- (prefix-numeric-value arg)))
- (if calc-executing-macro
- (execute-kbd-macro mac arg)
- (calc-slow-wrapper
- (let ((old-stack-whole (copy-sequence calc-stack))
- (old-stack-top calc-stack-top)
- (old-buffer-size (buffer-size))
- (old-refresh-count calc-refresh-count))
- (unwind-protect
- (let ((calc-executing-macro mac))
- (execute-kbd-macro mac arg))
- (calc-select-buffer)
- (let ((new-stack (reverse calc-stack))
- (old-stack (reverse old-stack-whole)))
- (while (and new-stack old-stack
- (equal (car new-stack) (car old-stack)))
- (setq new-stack (cdr new-stack)
- old-stack (cdr old-stack)))
- (or (equal prefix '(nil))
- (calc-record-list (if (> (length new-stack) 1)
- (mapcar 'car new-stack)
- '(""))
- (or (car prefix) "kmac")))
- (calc-record-undo (list 'set 'saved-stack-top old-stack-top))
- (and old-stack
- (calc-record-undo (list 'pop 1 (mapcar 'car old-stack))))
- (let ((calc-stack old-stack-whole)
- (calc-stack-top 0))
- (calc-cursor-stack-index (length old-stack)))
- (if (and (= old-buffer-size (buffer-size))
- (= old-refresh-count calc-refresh-count))
- (let ((buffer-read-only nil))
- (delete-region (point) (point-max))
- (while new-stack
- (calc-record-undo (list 'push 1))
- (insert (math-format-stack-value (car new-stack)) "\n")
- (setq new-stack (cdr new-stack)))
- (calc-renumber-stack))
- (while new-stack
- (calc-record-undo (list 'push 1))
- (setq new-stack (cdr new-stack)))
- (calc-refresh))
- (calc-record-undo (list 'set 'saved-stack-top 0))))))))
- )
-
- (defun calc-push-list-in-macro (vals m sels)
- (let ((entry (list (car vals) 1 (car sels)))
- (mm (+ (or m 1) calc-stack-top)))
- (if (> mm 1)
- (setcdr (nthcdr (- mm 2) calc-stack)
- (cons entry (nthcdr (1- mm) calc-stack)))
- (setq calc-stack (cons entry calc-stack))))
- )
-
- (defun calc-pop-stack-in-macro (n mm)
- (if (> mm 1)
- (setcdr (nthcdr (- mm 2) calc-stack)
- (nthcdr (+ n mm -1) calc-stack))
- (setq calc-stack (nthcdr n calc-stack)))
- )
-
-
- (defun calc-kbd-if ()
- (interactive)
- (calc-wrapper
- (let ((cond (calc-top-n 1)))
- (calc-pop-stack 1)
- (if (math-is-true cond)
- (if defining-kbd-macro
- (message "If true..."))
- (if defining-kbd-macro
- (message "Condition is false; skipping to Z: or Z] ..."))
- (calc-kbd-skip-to-else-if t))))
- )
-
- (defun calc-kbd-else-if ()
- (interactive)
- (calc-kbd-if)
- )
-
- (defun calc-kbd-skip-to-else-if (else-okay)
- (let ((count 0)
- ch)
- (while (>= count 0)
- (setq ch (read-char))
- (if (= ch -1)
- (error "Unterminated Z[ in keyboard macro"))
- (if (= ch ?Z)
- (progn
- (setq ch (read-char))
- (cond ((= ch ?\[)
- (setq count (1+ count)))
- ((= ch ?\])
- (setq count (1- count)))
- ((= ch ?\:)
- (and (= count 0)
- else-okay
- (setq count -1)))
- ((eq ch 7)
- (keyboard-quit))))))
- (and defining-kbd-macro
- (if (= ch ?\:)
- (message "Else...")
- (message "End-if..."))))
- )
-
- (defun calc-kbd-end-if ()
- (interactive)
- (if defining-kbd-macro
- (message "End-if..."))
- )
-
- (defun calc-kbd-else ()
- (interactive)
- (if defining-kbd-macro
- (message "Else; skipping to Z] ..."))
- (calc-kbd-skip-to-else-if nil)
- )
-
-
- (defun calc-kbd-repeat ()
- (interactive)
- (let (count)
- (calc-wrapper
- (setq count (math-trunc (calc-top-n 1)))
- (or (Math-integerp count)
- (error "Count must be an integer"))
- (if (Math-integer-negp count)
- (setq count 0))
- (or (integerp count)
- (setq count 1000000))
- (calc-pop-stack 1))
- (calc-kbd-loop count))
- )
-
- (defun calc-kbd-for (dir)
- (interactive "P")
- (let (init final)
- (calc-wrapper
- (setq init (calc-top-n 2)
- final (calc-top-n 1))
- (or (and (math-anglep init) (math-anglep final))
- (error "Initial and final values must be real numbers"))
- (calc-pop-stack 2))
- (calc-kbd-loop nil init final (and dir (prefix-numeric-value dir))))
- )
-
- (defun calc-kbd-loop (rpt-count &optional initial final dir)
- (interactive "P")
- (setq rpt-count (if rpt-count (prefix-numeric-value rpt-count) 1000000))
- (let* ((count 0)
- (parts nil)
- (body "")
- (open last-command-char)
- (counter initial)
- ch)
- (or executing-macro
- (message "Reading loop body..."))
- (while (>= count 0)
- (setq ch (read-char))
- (if (= ch -1)
- (error "Unterminated Z%c in keyboard macro" open))
- (if (= ch ?Z)
- (progn
- (setq ch (read-char)
- body (concat body "Z" (char-to-string ch)))
- (cond ((memq ch '(?\< ?\( ?\{))
- (setq count (1+ count)))
- ((memq ch '(?\> ?\) ?\}))
- (setq count (1- count)))
- ((and (= ch ?/)
- (= count 0))
- (setq parts (nconc parts (list (concat (substring body 0 -2)
- "Z]")))
- body ""))
- ((eq ch 7)
- (keyboard-quit))))
- (setq body (concat body (char-to-string ch)))))
- (if (/= ch (cdr (assq open '( (?\< . ?\>) (?\( . ?\)) (?\{ . ?\}) ))))
- (error "Mismatched Z%c and Z%c in keyboard macro" open ch))
- (or executing-macro
- (message "Looping..."))
- (setq body (concat (substring body 0 -2) "Z]"))
- (and (not executing-macro)
- (= rpt-count 1000000)
- (null parts)
- (null counter)
- (progn
- (message "Warning: Infinite loop! Not executing.")
- (setq rpt-count 0)))
- (or (not initial) dir
- (setq dir (math-compare final initial)))
- (calc-wrapper
- (while (> rpt-count 0)
- (let ((part parts))
- (if counter
- (if (cond ((eq dir 0) (Math-equal final counter))
- ((eq dir 1) (Math-lessp final counter))
- ((eq dir -1) (Math-lessp counter final)))
- (setq rpt-count 0)
- (calc-push counter)))
- (while (and part (> rpt-count 0))
- (execute-kbd-macro (car part))
- (if (math-is-true (calc-top-n 1))
- (setq rpt-count 0)
- (setq part (cdr part)))
- (calc-pop-stack 1))
- (if (> rpt-count 0)
- (progn
- (execute-kbd-macro body)
- (if counter
- (let ((step (calc-top-n 1)))
- (calc-pop-stack 1)
- (setq counter (calcFunc-add counter step)))
- (setq rpt-count (1- rpt-count))))))))
- (or executing-macro
- (message "Looping...done")))
- )
-
- (defun calc-kbd-end-repeat ()
- (interactive)
- (error "Unbalanced Z> in keyboard macro")
- )
-
- (defun calc-kbd-end-for ()
- (interactive)
- (error "Unbalanced Z) in keyboard macro")
- )
-
- (defun calc-kbd-end-loop ()
- (interactive)
- (error "Unbalanced Z} in keyboard macro")
- )
-
- (defun calc-kbd-break ()
- (interactive)
- (calc-wrapper
- (let ((cond (calc-top-n 1)))
- (calc-pop-stack 1)
- (if (math-is-true cond)
- (error "Keyboard macro aborted."))))
- )
-
-
- (defun calc-kbd-push (arg)
- (interactive "P")
- (calc-wrapper
- (let* ((defs (and arg (> (prefix-numeric-value arg) 0)))
- (var-q0 (and (boundp 'var-q0) var-q0))
- (var-q1 (and (boundp 'var-q1) var-q1))
- (var-q2 (and (boundp 'var-q2) var-q2))
- (var-q3 (and (boundp 'var-q3) var-q3))
- (var-q4 (and (boundp 'var-q4) var-q4))
- (var-q5 (and (boundp 'var-q5) var-q5))
- (var-q6 (and (boundp 'var-q6) var-q6))
- (var-q7 (and (boundp 'var-q7) var-q7))
- (var-q8 (and (boundp 'var-q8) var-q8))
- (var-q9 (and (boundp 'var-q9) var-q9))
- (calc-internal-prec (if defs 12 calc-internal-prec))
- (calc-word-size (if defs 32 calc-word-size))
- (calc-angle-mode (if defs 'deg calc-angle-mode))
- (calc-simplify-mode (if defs nil calc-simplify-mode))
- (calc-algebraic-mode (if arg nil calc-algebraic-mode))
- (calc-incomplete-algebraic-mode (if arg nil
- calc-incomplete-algebraic-mode))
- (calc-symbolic-mode (if defs nil calc-symbolic-mode))
- (calc-matrix-mode (if defs nil calc-matrix-mode))
- (calc-prefer-frac (if defs nil calc-prefer-frac))
- (calc-complex-mode (if defs nil calc-complex-mode))
- (calc-infinite-mode (if defs nil calc-infinite-mode))
- (count 0)
- (body "")
- ch)
- (if (or executing-macro defining-kbd-macro)
- (progn
- (if defining-kbd-macro
- (message "Reading body..."))
- (while (>= count 0)
- (setq ch (read-char))
- (if (= ch -1)
- (error "Unterminated Z` in keyboard macro"))
- (if (= ch ?Z)
- (progn
- (setq ch (read-char)
- body (concat body "Z" (char-to-string ch)))
- (cond ((eq ch ?\`)
- (setq count (1+ count)))
- ((eq ch ?\')
- (setq count (1- count)))
- ((eq ch 7)
- (keyboard-quit))))
- (setq body (concat body (char-to-string ch)))))
- (if defining-kbd-macro
- (message "Reading body...done"))
- (let ((calc-kbd-push-level 0))
- (execute-kbd-macro (substring body 0 -2))))
- (let ((calc-kbd-push-level (1+ calc-kbd-push-level)))
- (message "Saving modes; type Z' to restore")
- (recursive-edit)))))
- )
- (setq calc-kbd-push-level 0)
-
- (defun calc-kbd-pop ()
- (interactive)
- (if (> calc-kbd-push-level 0)
- (progn
- (message "Mode settings restored")
- (exit-recursive-edit))
- (error "Unbalanced Z' in keyboard macro"))
- )
-
-
- (defun calc-kbd-report (msg)
- (interactive "sMessage: ")
- (calc-wrapper
- (let ((executing-macro nil)
- (defining-kbd-macro nil))
- (math-working msg (calc-top-n 1))))
- )
-
- (defun calc-kbd-query (msg)
- (interactive "sPrompt: ")
- (calc-wrapper
- (let ((executing-macro nil)
- (defining-kbd-macro nil))
- (calc-alg-entry nil (and (not (equal msg "")) msg))))
- )
-
-
-
-
-
-
-
- ;;;; Logical operations.
-
- (defun calcFunc-eq (a b &rest more)
- (if more
- (let* ((args (cons a (cons b (copy-sequence more))))
- (res 1)
- (p args)
- p2)
- (while (and (cdr p) (not (eq res 0)))
- (setq p2 p)
- (while (and (setq p2 (cdr p2)) (not (eq res 0)))
- (setq res (math-two-eq (car p) (car p2)))
- (if (eq res 1)
- (setcdr p (delq (car p2) (cdr p)))))
- (setq p (cdr p)))
- (if (eq res 0)
- 0
- (if (cdr args)
- (cons 'calcFunc-eq args)
- 1)))
- (or (math-two-eq a b)
- (if (and (or (math-looks-negp a) (math-zerop a))
- (or (math-looks-negp b) (math-zerop b)))
- (list 'calcFunc-eq (math-neg a) (math-neg b))
- (list 'calcFunc-eq a b))))
- )
-
- (defun calcFunc-neq (a b &rest more)
- (if more
- (let* ((args (cons a (cons b more)))
- (res 0)
- (all t)
- (p args)
- p2)
- (while (and (cdr p) (not (eq res 1)))
- (setq p2 p)
- (while (and (setq p2 (cdr p2)) (not (eq res 1)))
- (setq res (math-two-eq (car p) (car p2)))
- (or res (setq all nil)))
- (setq p (cdr p)))
- (if (eq res 1)
- 0
- (if all
- 1
- (cons 'calcFunc-neq args))))
- (or (cdr (assq (math-two-eq a b) '((0 . 1) (1 . 0))))
- (if (and (or (math-looks-negp a) (math-zerop a))
- (or (math-looks-negp b) (math-zerop b)))
- (list 'calcFunc-neq (math-neg a) (math-neg b))
- (list 'calcFunc-neq a b))))
- )
-
- (defun math-two-eq (a b)
- (if (eq (car-safe a) 'vec)
- (if (eq (car-safe b) 'vec)
- (if (= (length a) (length b))
- (let ((res 1))
- (while (and (setq a (cdr a) b (cdr b)) (not (eq res 0)))
- (if res
- (setq res (math-two-eq (car a) (car b)))
- (if (eq (math-two-eq (car a) (car b)) 0)
- (setq res 0))))
- res)
- 0)
- (if (Math-objectp b)
- 0
- nil))
- (if (eq (car-safe b) 'vec)
- (if (Math-objectp a)
- 0
- nil)
- (let ((res (math-compare a b)))
- (if (= res 0)
- 1
- (if (and (= res 2) (not (and (Math-scalarp a) (Math-scalarp b))))
- nil
- 0)))))
- )
-
- (defun calcFunc-lt (a b)
- (let ((res (math-compare a b)))
- (if (= res -1)
- 1
- (if (= res 2)
- (if (and (or (math-looks-negp a) (math-zerop a))
- (or (math-looks-negp b) (math-zerop b)))
- (list 'calcFunc-gt (math-neg a) (math-neg b))
- (list 'calcFunc-lt a b))
- 0)))
- )
-
- (defun calcFunc-gt (a b)
- (let ((res (math-compare a b)))
- (if (= res 1)
- 1
- (if (= res 2)
- (if (and (or (math-looks-negp a) (math-zerop a))
- (or (math-looks-negp b) (math-zerop b)))
- (list 'calcFunc-lt (math-neg a) (math-neg b))
- (list 'calcFunc-gt a b))
- 0)))
- )
-
- (defun calcFunc-leq (a b)
- (let ((res (math-compare a b)))
- (if (= res 1)
- 0
- (if (= res 2)
- (if (and (or (math-looks-negp a) (math-zerop a))
- (or (math-looks-negp b) (math-zerop b)))
- (list 'calcFunc-geq (math-neg a) (math-neg b))
- (list 'calcFunc-leq a b))
- 1)))
- )
-
- (defun calcFunc-geq (a b)
- (let ((res (math-compare a b)))
- (if (= res -1)
- 0
- (if (= res 2)
- (if (and (or (math-looks-negp a) (math-zerop a))
- (or (math-looks-negp b) (math-zerop b)))
- (list 'calcFunc-leq (math-neg a) (math-neg b))
- (list 'calcFunc-geq a b))
- 1)))
- )
-
- (defun calcFunc-rmeq (a)
- (if (math-vectorp a)
- (math-map-vec 'calcFunc-rmeq a)
- (if (assq (car-safe a) calc-tweak-eqn-table)
- (if (and (eq (car-safe (nth 2 a)) 'var)
- (math-objectp (nth 1 a)))
- (nth 1 a)
- (nth 2 a))
- (if (eq (car-safe a) 'calcFunc-assign)
- (nth 2 a)
- (if (eq (car-safe a) 'calcFunc-evalto)
- (nth 1 a)
- (list 'calcFunc-rmeq a)))))
- )
-
- (defun calcFunc-land (a b)
- (cond ((Math-zerop a)
- a)
- ((Math-zerop b)
- b)
- ((math-is-true a)
- b)
- ((math-is-true b)
- a)
- (t (list 'calcFunc-land a b)))
- )
-
- (defun calcFunc-lor (a b)
- (cond ((Math-zerop a)
- b)
- ((Math-zerop b)
- a)
- ((math-is-true a)
- a)
- ((math-is-true b)
- b)
- (t (list 'calcFunc-lor a b)))
- )
-
- (defun calcFunc-lnot (a)
- (if (Math-zerop a)
- 1
- (if (math-is-true a)
- 0
- (let ((op (and (= (length a) 3)
- (assq (car a) calc-tweak-eqn-table))))
- (if op
- (cons (nth 2 op) (cdr a))
- (list 'calcFunc-lnot a)))))
- )
-
- (defun calcFunc-if (c e1 e2)
- (if (Math-zerop c)
- e2
- (if (and (math-is-true c) (not (Math-vectorp c)))
- e1
- (or (and (Math-vectorp c)
- (math-constp c)
- (let ((ee1 (if (Math-vectorp e1)
- (if (= (length c) (length e1))
- (cdr e1)
- (calc-record-why "*Dimension error" e1))
- (list e1)))
- (ee2 (if (Math-vectorp e2)
- (if (= (length c) (length e2))
- (cdr e2)
- (calc-record-why "*Dimension error" e2))
- (list e2))))
- (and ee1 ee2
- (cons 'vec (math-if-vector (cdr c) ee1 ee2)))))
- (list 'calcFunc-if c e1 e2))))
- )
-
- (defun math-if-vector (c e1 e2)
- (and c
- (cons (if (Math-zerop (car c)) (car e2) (car e1))
- (math-if-vector (cdr c)
- (or (cdr e1) e1)
- (or (cdr e2) e2))))
- )
-
- (defun math-normalize-logical-op (a)
- (or (and (eq (car a) 'calcFunc-if)
- (= (length a) 4)
- (let ((a1 (math-normalize (nth 1 a))))
- (if (Math-zerop a1)
- (math-normalize (nth 3 a))
- (if (Math-numberp a1)
- (math-normalize (nth 2 a))
- (if (and (Math-vectorp (nth 1 a))
- (math-constp (nth 1 a)))
- (calcFunc-if (nth 1 a)
- (math-normalize (nth 2 a))
- (math-normalize (nth 3 a)))
- (let ((calc-simplify-mode 'none))
- (list 'calcFunc-if a1
- (math-normalize (nth 2 a))
- (math-normalize (nth 3 a)))))))))
- a)
- )
-
- (defun calcFunc-in (a b)
- (or (and (eq (car-safe b) 'vec)
- (let ((bb b))
- (while (and (setq bb (cdr bb))
- (not (if (memq (car-safe (car bb)) '(vec intv))
- (eq (calcFunc-in a (car bb)) 1)
- (Math-equal a (car bb))))))
- (if bb 1 (and (math-constp a) (math-constp bb) 0))))
- (and (eq (car-safe b) 'intv)
- (let ((res (math-compare a (nth 2 b))) res2)
- (cond ((= res -1)
- 0)
- ((and (= res 0)
- (or (/= (nth 1 b) 2)
- (Math-lessp (nth 2 b) (nth 3 b))))
- (if (memq (nth 1 b) '(2 3)) 1 0))
- ((= (setq res2 (math-compare a (nth 3 b))) 1)
- 0)
- ((and (= res2 0)
- (or (/= (nth 1 b) 1)
- (Math-lessp (nth 2 b) (nth 3 b))))
- (if (memq (nth 1 b) '(1 3)) 1 0))
- ((/= res 1)
- nil)
- ((/= res2 -1)
- nil)
- (t 1))))
- (and (Math-equal a b)
- 1)
- (and (math-constp a) (math-constp b)
- 0)
- (list 'calcFunc-in a b))
- )
-
- (defun calcFunc-typeof (a)
- (cond ((Math-integerp a) 1)
- ((eq (car a) 'frac) 2)
- ((eq (car a) 'float) 3)
- ((eq (car a) 'hms) 4)
- ((eq (car a) 'cplx) 5)
- ((eq (car a) 'polar) 6)
- ((eq (car a) 'sdev) 7)
- ((eq (car a) 'intv) 8)
- ((eq (car a) 'mod) 9)
- ((eq (car a) 'date) (if (Math-integerp (nth 1 a)) 10 11))
- ((eq (car a) 'var)
- (if (memq (nth 2 a) '(var-inf var-uinf var-nan)) 12 100))
- ((eq (car a) 'vec) (if (math-matrixp a) 102 101))
- (t (math-calcFunc-to-var func)))
- )
-
- (defun calcFunc-integer (a)
- (if (Math-integerp a)
- 1
- (if (Math-objvecp a)
- 0
- (list 'calcFunc-integer a)))
- )
-
- (defun calcFunc-real (a)
- (if (Math-realp a)
- 1
- (if (Math-objvecp a)
- 0
- (list 'calcFunc-real a)))
- )
-
- (defun calcFunc-constant (a)
- (if (math-constp a)
- 1
- (if (Math-objvecp a)
- 0
- (list 'calcFunc-constant a)))
- )
-
- (defun calcFunc-refers (a b)
- (if (math-expr-contains a b)
- 1
- (if (eq (car-safe a) 'var)
- (list 'calcFunc-refers a b)
- 0))
- )
-
- (defun calcFunc-negative (a)
- (if (math-looks-negp a)
- 1
- (if (or (math-zerop a)
- (math-posp a))
- 0
- (list 'calcFunc-negative a)))
- )
-
- (defun calcFunc-variable (a)
- (if (eq (car-safe a) 'var)
- 1
- (if (Math-objvecp a)
- 0
- (list 'calcFunc-variable a)))
- )
-
- (defun calcFunc-nonvar (a)
- (if (eq (car-safe a) 'var)
- (list 'calcFunc-nonvar a)
- 1)
- )
-
- (defun calcFunc-istrue (a)
- (if (math-is-true a)
- 1
- 0)
- )
-
-
-
-
- ;;;; User-programmability.
-
- ;;; Compiling Lisp-like forms to use the math library.
-
- (defun math-do-defmath (func args body)
- (calc-need-macros)
- (let* ((fname (intern (concat "calcFunc-" (symbol-name func))))
- (doc (if (stringp (car body)) (list (car body))))
- (clargs (mapcar 'math-clean-arg args))
- (body (math-define-function-body
- (if (stringp (car body)) (cdr body) body)
- clargs)))
- (list 'progn
- (if (and (consp (car body))
- (eq (car (car body)) 'interactive))
- (let ((inter (car body)))
- (setq body (cdr body))
- (if (or (> (length inter) 2)
- (integerp (nth 1 inter)))
- (let ((hasprefix nil) (hasmulti nil))
- (if (stringp (nth 1 inter))
- (progn
- (cond ((equal (nth 1 inter) "p")
- (setq hasprefix t))
- ((equal (nth 1 inter) "m")
- (setq hasmulti t))
- (t (error
- "Can't handle interactive code string \"%s\""
- (nth 1 inter))))
- (setq inter (cdr inter))))
- (if (not (integerp (nth 1 inter)))
- (error
- "Expected an integer in interactive specification"))
- (append (list 'defun
- (intern (concat "calc-"
- (symbol-name func)))
- (if (or hasprefix hasmulti)
- '(&optional n)
- ()))
- doc
- (if (or hasprefix hasmulti)
- '((interactive "P"))
- '((interactive)))
- (list
- (append
- '(calc-slow-wrapper)
- (and hasmulti
- (list
- (list 'setq
- 'n
- (list 'if
- 'n
- (list 'prefix-numeric-value
- 'n)
- (nth 1 inter)))))
- (list
- (list 'calc-enter-result
- (if hasmulti 'n (nth 1 inter))
- (nth 2 inter)
- (if hasprefix
- (list 'append
- (list 'quote (list fname))
- (list 'calc-top-list-n
- (nth 1 inter))
- (list 'and
- 'n
- (list
- 'list
- (list
- 'math-normalize
- (list
- 'prefix-numeric-value
- 'n)))))
- (list 'cons
- (list 'quote fname)
- (list 'calc-top-list-n
- (if hasmulti
- 'n
- (nth 1 inter)))))))))))
- (append (list 'defun
- (intern (concat "calc-" (symbol-name func)))
- args)
- doc
- (list
- inter
- (cons 'calc-wrapper body))))))
- (append (list 'defun fname clargs)
- doc
- (math-do-arg-list-check args nil nil)
- body)))
- )
-
- (defun math-clean-arg (arg)
- (if (consp arg)
- (math-clean-arg (nth 1 arg))
- arg)
- )
-
- (defun math-do-arg-check (arg var is-opt is-rest)
- (if is-opt
- (let ((chk (math-do-arg-check arg var nil nil)))
- (list (cons 'and
- (cons var
- (if (cdr chk)
- (setq chk (list (cons 'progn chk)))
- chk)))))
- (and (consp arg)
- (let* ((rest (math-do-arg-check (nth 1 arg) var is-opt is-rest))
- (qual (car arg))
- (qqual (list 'quote qual))
- (qual-name (symbol-name qual))
- (chk (intern (concat "math-check-" qual-name))))
- (if (fboundp chk)
- (append rest
- (list
- (if is-rest
- (list 'setq var
- (list 'mapcar (list 'quote chk) var))
- (list 'setq var (list chk var)))))
- (if (fboundp (setq chk (intern (concat "math-" qual-name))))
- (append rest
- (list
- (if is-rest
- (list 'mapcar
- (list 'function
- (list 'lambda '(x)
- (list 'or
- (list chk 'x)
- (list 'math-reject-arg
- 'x qqual))))
- var)
- (list 'or
- (list chk var)
- (list 'math-reject-arg var qqual)))))
- (if (and (string-match "\\`not-\\(.*\\)\\'" qual-name)
- (fboundp (setq chk (intern
- (concat "math-"
- (math-match-substring
- qual-name 1))))))
- (append rest
- (list
- (if is-rest
- (list 'mapcar
- (list 'function
- (list 'lambda '(x)
- (list 'and
- (list chk 'x)
- (list 'math-reject-arg
- 'x qqual))))
- var)
- (list 'and
- (list chk var)
- (list 'math-reject-arg var qqual)))))
- (error "Unknown qualifier `%s'" qual-name)))))))
- )
-
- (defun math-do-arg-list-check (args is-opt is-rest)
- (cond ((null args) nil)
- ((consp (car args))
- (append (math-do-arg-check (car args)
- (math-clean-arg (car args))
- is-opt is-rest)
- (math-do-arg-list-check (cdr args) is-opt is-rest)))
- ((eq (car args) '&optional)
- (math-do-arg-list-check (cdr args) t nil))
- ((eq (car args) '&rest)
- (math-do-arg-list-check (cdr args) nil t))
- (t (math-do-arg-list-check (cdr args) is-opt is-rest)))
- )
-
- (defconst math-prim-funcs
- '( (~= . math-nearly-equal)
- (% . math-mod)
- (lsh . calcFunc-lsh)
- (ash . calcFunc-ash)
- (logand . calcFunc-and)
- (logandc2 . calcFunc-diff)
- (logior . calcFunc-or)
- (logxor . calcFunc-xor)
- (lognot . calcFunc-not)
- (equal . equal) ; need to leave these ones alone!
- (eq . eq)
- (and . and)
- (or . or)
- (if . if)
- (^ . math-pow)
- (expt . math-pow)
- )
- )
-
- (defconst math-prim-vars
- '( (nil . nil)
- (t . t)
- (&optional . &optional)
- (&rest . &rest)
- )
- )
-
- (defun math-define-function-body (body env)
- (let ((body (math-define-body body env)))
- (if (math-body-refers-to body 'math-return)
- (list (cons 'catch (cons '(quote math-return) body)))
- body))
- )
-
- (defun math-define-body (body exp-env)
- (math-define-list body)
- )
-
- (defun math-define-list (body &optional quote)
- (cond ((null body)
- nil)
- ((and (eq (car body) ':)
- (stringp (nth 1 body)))
- (cons (let* ((math-read-expr-quotes t)
- (exp (math-read-plain-expr (nth 1 body) t)))
- (math-define-exp exp))
- (math-define-list (cdr (cdr body)))))
- (quote
- (cons (cond ((consp (car body))
- (math-define-list (cdr body) t))
- (t
- (car body)))
- (math-define-list (cdr body))))
- (t
- (cons (math-define-exp (car body))
- (math-define-list (cdr body)))))
- )
-
- (defun math-define-exp (exp)
- (cond ((consp exp)
- (let ((func (car exp)))
- (cond ((memq func '(quote function))
- (if (and (consp (nth 1 exp))
- (eq (car (nth 1 exp)) 'lambda))
- (cons 'quote
- (math-define-lambda (nth 1 exp) exp-env))
- exp))
- ((memq func '(let let* for foreach))
- (let ((head (nth 1 exp))
- (body (cdr (cdr exp))))
- (if (memq func '(let let*))
- ()
- (setq func (cdr (assq func '((for . math-for)
- (foreach . math-foreach)))))
- (if (not (listp (car head)))
- (setq head (list head))))
- (macroexpand
- (cons func
- (cons (math-define-let head)
- (math-define-body body
- (nconc
- (math-define-let-env head)
- exp-env)))))))
- ((and (memq func '(setq setf))
- (math-complicated-lhs (cdr exp)))
- (if (> (length exp) 3)
- (cons 'progn (math-define-setf-list (cdr exp)))
- (math-define-setf (nth 1 exp) (nth 2 exp))))
- ((eq func 'condition-case)
- (cons func
- (cons (nth 1 exp)
- (math-define-body (cdr (cdr exp))
- (cons (nth 1 exp)
- exp-env)))))
- ((eq func 'cond)
- (cons func
- (math-define-cond (cdr exp))))
- ((and (consp func) ; ('spam a b) == force use of plain spam
- (eq (car func) 'quote))
- (cons func (math-define-list (cdr exp))))
- ((symbolp func)
- (let ((args (math-define-list (cdr exp)))
- (prim (assq func math-prim-funcs)))
- (cond (prim
- (cons (cdr prim) args))
- ((eq func 'floatp)
- (list 'eq (car args) '(quote float)))
- ((eq func '+)
- (math-define-binop 'math-add 0
- (car args) (cdr args)))
- ((eq func '-)
- (if (= (length args) 1)
- (cons 'math-neg args)
- (math-define-binop 'math-sub 0
- (car args) (cdr args))))
- ((eq func '*)
- (math-define-binop 'math-mul 1
- (car args) (cdr args)))
- ((eq func '/)
- (math-define-binop 'math-div 1
- (car args) (cdr args)))
- ((eq func 'min)
- (math-define-binop 'math-min 0
- (car args) (cdr args)))
- ((eq func 'max)
- (math-define-binop 'math-max 0
- (car args) (cdr args)))
- ((eq func '<)
- (if (and (math-numberp (nth 1 args))
- (math-zerop (nth 1 args)))
- (list 'math-negp (car args))
- (cons 'math-lessp args)))
- ((eq func '>)
- (if (and (math-numberp (nth 1 args))
- (math-zerop (nth 1 args)))
- (list 'math-posp (car args))
- (list 'math-lessp (nth 1 args) (nth 0 args))))
- ((eq func '<=)
- (list 'not
- (if (and (math-numberp (nth 1 args))
- (math-zerop (nth 1 args)))
- (list 'math-posp (car args))
- (list 'math-lessp
- (nth 1 args) (nth 0 args)))))
- ((eq func '>=)
- (list 'not
- (if (and (math-numberp (nth 1 args))
- (math-zerop (nth 1 args)))
- (list 'math-negp (car args))
- (cons 'math-lessp args))))
- ((eq func '=)
- (if (and (math-numberp (nth 1 args))
- (math-zerop (nth 1 args)))
- (list 'math-zerop (nth 0 args))
- (if (and (integerp (nth 1 args))
- (/= (% (nth 1 args) 10) 0))
- (cons 'math-equal-int args)
- (cons 'math-equal args))))
- ((eq func '/=)
- (list 'not
- (if (and (math-numberp (nth 1 args))
- (math-zerop (nth 1 args)))
- (list 'math-zerop (nth 0 args))
- (if (and (integerp (nth 1 args))
- (/= (% (nth 1 args) 10) 0))
- (cons 'math-equal-int args)
- (cons 'math-equal args)))))
- ((eq func '1+)
- (list 'math-add (car args) 1))
- ((eq func '1-)
- (list 'math-add (car args) -1))
- ((eq func 'not) ; optimize (not (not x)) => x
- (if (eq (car-safe args) func)
- (car (nth 1 args))
- (cons func args)))
- ((and (eq func 'elt) (cdr (cdr args)))
- (math-define-elt (car args) (cdr args)))
- (t
- (macroexpand
- (let* ((name (symbol-name func))
- (cfunc (intern (concat "calcFunc-" name)))
- (mfunc (intern (concat "math-" name))))
- (cond ((fboundp cfunc)
- (cons cfunc args))
- ((fboundp mfunc)
- (cons mfunc args))
- ((or (fboundp func)
- (string-match "\\`calcFunc-.*" name))
- (cons func args))
- (t
- (cons cfunc args)))))))))
- (t (cons func args)))))
- ((symbolp exp)
- (let ((prim (assq exp math-prim-vars))
- (name (symbol-name exp)))
- (cond (prim
- (cdr prim))
- ((memq exp exp-env)
- exp)
- ((string-match "-" name)
- exp)
- (t
- (intern (concat "var-" name))))))
- ((integerp exp)
- (if (or (<= exp -1000000) (>= exp 1000000))
- (list 'quote (math-normalize exp))
- exp))
- (t exp))
- )
-
- (defun math-define-cond (forms)
- (and forms
- (cons (math-define-list (car forms))
- (math-define-cond (cdr forms))))
- )
-
- (defun math-complicated-lhs (body)
- (and body
- (or (not (symbolp (car body)))
- (math-complicated-lhs (cdr (cdr body)))))
- )
-
- (defun math-define-setf-list (body)
- (and body
- (cons (math-define-setf (nth 0 body) (nth 1 body))
- (math-define-setf-list (cdr (cdr body)))))
- )
-
- (defun math-define-setf (place value)
- (setq place (math-define-exp place)
- value (math-define-exp value))
- (cond ((symbolp place)
- (list 'setq place value))
- ((eq (car-safe place) 'nth)
- (list 'setcar (list 'nthcdr (nth 1 place) (nth 2 place)) value))
- ((eq (car-safe place) 'elt)
- (list 'setcar (list 'nthcdr (nth 2 place) (nth 1 place)) value))
- ((eq (car-safe place) 'car)
- (list 'setcar (nth 1 place) value))
- ((eq (car-safe place) 'cdr)
- (list 'setcdr (nth 1 place) value))
- (t
- (error "Bad place form for setf: %s" place)))
- )
-
- (defun math-define-binop (op ident arg1 rest)
- (if rest
- (math-define-binop op ident
- (list op arg1 (car rest))
- (cdr rest))
- (or arg1 ident))
- )
-
- (defun math-define-let (vlist)
- (and vlist
- (cons (if (consp (car vlist))
- (cons (car (car vlist))
- (math-define-list (cdr (car vlist))))
- (car vlist))
- (math-define-let (cdr vlist))))
- )
-
- (defun math-define-let-env (vlist)
- (and vlist
- (cons (if (consp (car vlist))
- (car (car vlist))
- (car vlist))
- (math-define-let-env (cdr vlist))))
- )
-
- (defun math-define-lambda (exp exp-env)
- (nconc (list (nth 0 exp) ; 'lambda
- (nth 1 exp)) ; arg list
- (math-define-function-body (cdr (cdr exp))
- (append (nth 1 exp) exp-env)))
- )
-
- (defun math-define-elt (seq idx)
- (if idx
- (math-define-elt (list 'elt seq (car idx)) (cdr idx))
- seq)
- )
-
-
-
- ;;; Useful programming macros.
-
- (defmacro math-while (head &rest body)
- (let ((body (cons 'while (cons head body))))
- (if (math-body-refers-to body 'math-break)
- (cons 'catch (cons '(quote math-break) (list body)))
- body))
- )
-
-
- (defmacro math-for (head &rest body)
- (let ((body (if head
- (math-handle-for head body)
- (cons 'while (cons t body)))))
- (if (math-body-refers-to body 'math-break)
- (cons 'catch (cons '(quote math-break) (list body)))
- body))
- )
-
- (defun math-handle-for (head body)
- (let* ((var (nth 0 (car head)))
- (init (nth 1 (car head)))
- (limit (nth 2 (car head)))
- (step (or (nth 3 (car head)) 1))
- (body (if (cdr head)
- (list (math-handle-for (cdr head) body))
- body))
- (all-ints (and (integerp init) (integerp limit) (integerp step)))
- (const-limit (or (integerp limit)
- (and (eq (car-safe limit) 'quote)
- (math-realp (nth 1 limit)))))
- (const-step (or (integerp step)
- (and (eq (car-safe step) 'quote)
- (math-realp (nth 1 step)))))
- (save-limit (if const-limit limit (make-symbol "<limit>")))
- (save-step (if const-step step (make-symbol "<step>"))))
- (cons 'let
- (cons (append (if const-limit nil (list (list save-limit limit)))
- (if const-step nil (list (list save-step step)))
- (list (list var init)))
- (list
- (cons 'while
- (cons (if all-ints
- (if (> step 0)
- (list '<= var save-limit)
- (list '>= var save-limit))
- (list 'not
- (if const-step
- (if (or (math-posp step)
- (math-posp
- (cdr-safe step)))
- (list 'math-lessp
- save-limit
- var)
- (list 'math-lessp
- var
- save-limit))
- (list 'if
- (list 'math-posp
- save-step)
- (list 'math-lessp
- save-limit
- var)
- (list 'math-lessp
- var
- save-limit)))))
- (append body
- (list (list 'setq
- var
- (list (if all-ints
- '+
- 'math-add)
- var
- save-step))))))))))
- )
-
-
- (defmacro math-foreach (head &rest body)
- (let ((body (math-handle-foreach head body)))
- (if (math-body-refers-to body 'math-break)
- (cons 'catch (cons '(quote math-break) (list body)))
- body))
- )
-
-
- (defun math-handle-foreach (head body)
- (let ((var (nth 0 (car head)))
- (data (nth 1 (car head)))
- (body (if (cdr head)
- (list (math-handle-foreach (cdr head) body))
- body)))
- (cons 'let
- (cons (list (list var data))
- (list
- (cons 'while
- (cons var
- (append body
- (list (list 'setq
- var
- (list 'cdr var))))))))))
- )
-
-
- (defun math-body-refers-to (body thing)
- (or (equal body thing)
- (and (consp body)
- (or (math-body-refers-to (car body) thing)
- (math-body-refers-to (cdr body) thing))))
- )
-
- (defun math-break (&optional value)
- (throw 'math-break value)
- )
-
- (defun math-return (&optional value)
- (throw 'math-return value)
- )
-
-
-
-
-
- (defun math-composite-inequalities (x op)
- (if (memq (nth 1 op) '(calcFunc-eq calcFunc-neq))
- (if (eq (car x) (nth 1 op))
- (append x (list (math-read-expr-level (nth 3 op))))
- (throw 'syntax "Syntax error"))
- (list 'calcFunc-in
- (nth 2 x)
- (if (memq (nth 1 op) '(calcFunc-lt calcFunc-leq))
- (if (memq (car x) '(calcFunc-lt calcFunc-leq))
- (math-make-intv
- (+ (if (eq (car x) 'calcFunc-leq) 2 0)
- (if (eq (nth 1 op) 'calcFunc-leq) 1 0))
- (nth 1 x) (math-read-expr-level (nth 3 op)))
- (throw 'syntax "Syntax error"))
- (if (memq (car x) '(calcFunc-gt calcFunc-geq))
- (math-make-intv
- (+ (if (eq (nth 1 op) 'calcFunc-geq) 2 0)
- (if (eq (car x) 'calcFunc-geq) 1 0))
- (math-read-expr-level (nth 3 op)) (nth 1 x))
- (throw 'syntax "Syntax error")))))
- )
-
-