1290 lines
43 KiB
EmacsLisp
1290 lines
43 KiB
EmacsLisp
;;; calc-aent.el --- algebraic entry functions for Calc -*- lexical-binding:t -*-
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;; Copyright (C) 1990-1993, 2001-2024 Free Software Foundation, Inc.
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;; Author: Dave Gillespie <daveg@synaptics.com>
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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;; This file is autoloaded from calc.el.
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(require 'calc)
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(require 'calc-macs)
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;; Declare functions which are defined elsewhere.
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(declare-function calc-digit-start-entry "calc" ())
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(declare-function calc-refresh-evaltos "calc-ext" (&optional which-var))
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(declare-function calc-execute-kbd-macro "calc-prog" (mac arg &rest prefix))
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(declare-function math-is-true "calc-ext" (expr))
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(declare-function calc-explain-why "calc-stuff" (why &optional more))
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(declare-function calc-alg-edit "calc-yank" (str))
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(declare-function math-composite-inequalities "calc-prog" (x op))
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(declare-function math-flatten-lands "calc-rewr" (expr))
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(declare-function math-multi-subst "calc-map" (expr olds news))
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(declare-function calcFunc-vmatches "calc-rewr" (expr pat))
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(declare-function math-simplify "calc-alg" (top-expr))
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(declare-function math-known-matrixp "calc-arith" (a))
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(declare-function math-parse-fortran-subscr "calc-lang" (sym args))
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(declare-function math-to-radians-2 "calc-math" (a &optional force-symbolic))
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(declare-function math-read-string "calc-ext" ())
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(declare-function math-read-brackets "calc-vec" (space-sep math-rb-close))
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(declare-function math-read-angle-brackets "calc-forms" ())
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(declare-function math-to-percentsigns "calccomp" (x))
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(defvar calc-quick-calc-history nil
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"The history list for `quick-calc'.")
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;;;###autoload
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(defun calc-do-quick-calc (&optional insert)
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(require 'calc-ext)
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(calc-check-defines)
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(if (eq major-mode 'calc-mode)
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(calc-algebraic-entry t)
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(let (buf shortbuf)
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(save-excursion
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(calc-create-buffer)
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(let* ((calc-command-flags nil)
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(calc-dollar-values calc-quick-prev-results)
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(calc-dollar-used 0)
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(enable-recursive-minibuffers t)
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(calc-language (if (memq calc-language '(nil big))
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'flat calc-language))
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(entry (calc-do-alg-entry "" "Quick calc: " t 'calc-quick-calc-history))
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(alg-exp (mapcar 'math-evaluate-expr entry)))
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(when (and (= (length alg-exp) 1)
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(eq (car-safe (car alg-exp)) 'calcFunc-assign)
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(= (length (car alg-exp)) 3)
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(eq (car-safe (nth 1 (car alg-exp))) 'var))
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(set (nth 2 (nth 1 (car alg-exp))) (nth 2 (car alg-exp)))
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(calc-refresh-evaltos (nth 2 (nth 1 (car alg-exp))))
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(setq alg-exp (list (nth 2 (car alg-exp)))))
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(setq calc-quick-prev-results alg-exp
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buf (mapconcat (lambda (x)
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(math-format-value x 1000))
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alg-exp
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" ")
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shortbuf buf)
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(if (and (= (length alg-exp) 1)
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(memq (car-safe (car alg-exp)) '(nil))
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(< (length buf) 20)
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(= calc-number-radix 10))
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(setq buf (concat buf " ("
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(let ((calc-number-radix 16))
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(math-format-value (car alg-exp) 1000))
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", "
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(let ((calc-number-radix 8))
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(math-format-value (car alg-exp) 1000))
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", "
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(let ((calc-number-radix 2))
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(math-format-value (car alg-exp) 1000))
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(if (and (integerp (car alg-exp))
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(> (car alg-exp) 0)
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(< (car alg-exp) 127))
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(format ", \"%c\"" (car alg-exp))
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"")
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")")))
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(if (and (< (length buf) (frame-width)) (= (length entry) 1)
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(featurep 'calc-ext))
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(let ((long (concat (math-format-value (car entry) 1000)
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" => " buf)))
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(if (<= (length long) (- (frame-width) 8))
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(setq buf long))))
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(calc-handle-whys)
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(message "Result: %s" buf)))
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(if (or insert
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(eq last-command-event 10))
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(insert shortbuf)
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(kill-new shortbuf)))))
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;;;###autoload
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(defun calc-do-calc-eval (str separator args)
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(calc-check-defines)
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(catch 'calc-error
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(save-excursion
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(calc-create-buffer)
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(cond
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((and (consp str) (not (symbolp (car str))))
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(let ((calc-language nil)
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(math-expr-opers (math-standard-ops))
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(calc-internal-prec 12)
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(calc-word-size 32)
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(calc-symbolic-mode nil)
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(calc-matrix-mode nil)
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(calc-angle-mode 'deg)
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(calc-number-radix 10)
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(calc-twos-complement-mode nil)
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(calc-leading-zeros nil)
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(calc-group-digits nil)
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(calc-point-char ".")
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(calc-frac-format '(":" nil))
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(calc-prefer-frac nil)
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(calc-hms-format "%s@ %s' %s\"")
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(calc-date-format '((H ":" mm C SS pp " ")
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Www " " Mmm " " D ", " YYYY))
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(calc-float-format '(float 0))
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(calc-full-float-format '(float 0))
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(calc-complex-format nil)
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(calc-matrix-just nil)
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(calc-full-vectors t)
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(calc-break-vectors nil)
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(calc-vector-commas ",")
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(calc-vector-brackets "[]")
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(calc-matrix-brackets '(R O))
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(calc-complex-mode 'cplx)
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(calc-infinite-mode nil)
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(calc-display-strings nil)
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(calc-simplify-mode nil)
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(calc-display-working-message 'lots)
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(strp (cdr str)))
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(while strp
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(set (car strp) (nth 1 strp))
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(setq strp (cdr (cdr strp))))
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(calc-do-calc-eval (car str) separator args)))
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((eq separator 'eval)
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(eval str t))
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((eq separator 'macro)
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(require 'calc-ext)
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(let* ((calc-buffer (current-buffer))
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(calc-window (get-buffer-window calc-buffer))
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(save-window (selected-window)))
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(if calc-window
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(unwind-protect
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(progn
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(select-window calc-window)
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(calc-execute-kbd-macro str nil (car args)))
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(and (window-point save-window)
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(select-window save-window)))
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(save-window-excursion
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(select-window (get-largest-window))
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(switch-to-buffer calc-buffer)
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(calc-execute-kbd-macro str nil (car args)))))
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nil)
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((eq separator 'pop)
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(or (not (integerp str))
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(= str 0)
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(calc-pop (min str (calc-stack-size))))
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(calc-stack-size))
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((eq separator 'top)
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(and (integerp str)
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(> str 0)
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(<= str (calc-stack-size))
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(math-format-value (calc-top-n str (car args)) 1000)))
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((eq separator 'rawtop)
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(and (integerp str)
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(> str 0)
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(<= str (calc-stack-size))
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(calc-top-n str (car args))))
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(t
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(let* ((calc-command-flags nil)
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(calc-next-why nil)
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(calc-language (if (memq calc-language '(nil big))
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'flat calc-language))
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(calc-dollar-values (mapcar
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(lambda (x)
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(if (stringp x)
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(progn
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(setq x (math-read-exprs x))
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(if (eq (car-safe x)
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'error)
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(throw 'calc-error
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(calc-eval-error
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(cdr x)))
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(car x)))
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x))
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args))
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(calc-dollar-used 0)
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(res (if (stringp str)
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(math-read-exprs str)
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(list str)))
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buf)
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(if (eq (car res) 'error)
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(calc-eval-error (cdr res))
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(setq res (mapcar 'calc-normalize res))
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(and (memq 'clear-message calc-command-flags)
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(message ""))
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(cond ((eq separator 'pred)
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(require 'calc-ext)
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(if (= (length res) 1)
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(math-is-true (car res))
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(calc-eval-error '(0 "Single value expected"))))
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((eq separator 'raw)
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(if (= (length res) 1)
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(car res)
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(calc-eval-error '(0 "Single value expected"))))
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((eq separator 'list)
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res)
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((memq separator '(num rawnum))
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(if (= (length res) 1)
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(if (math-constp (car res))
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(if (eq separator 'num)
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(math-format-value (car res) 1000)
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(car res))
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(calc-eval-error
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(list 0
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(if calc-next-why
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(calc-explain-why (car calc-next-why))
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"Number expected"))))
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(calc-eval-error '(0 "Single value expected"))))
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((eq separator 'push)
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(calc-push-list res)
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nil)
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(t (while res
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(setq buf (concat buf
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(and buf (or separator ", "))
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(math-format-value (car res) 1000))
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res (cdr res)))
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buf)))))))))
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(defvar calc-eval-error nil
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"Determines how calc handles errors.
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If nil, return a list containing the character position of error.
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STRING means return error message as string rather than list.
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The value t means abort and give an error message.")
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(defun calc-eval-error (msg)
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(if calc-eval-error
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(if (eq calc-eval-error 'string)
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(nth 1 msg)
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(error "%s" (nth 1 msg)))
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msg))
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;;;; Reading an expression in algebraic form.
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;;;###autoload
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(defun calc-auto-algebraic-entry (&optional prefix)
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(interactive "P")
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(calc-algebraic-entry prefix t))
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;;;###autoload
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(defun calc-algebraic-entry (&optional prefix auto)
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(interactive "P")
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(calc-wrapper
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(let ((calc-language (if prefix nil calc-language))
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(math-expr-opers (if prefix (math-standard-ops) (math-expr-ops))))
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(calc-alg-entry (and auto (char-to-string last-command-event))))))
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(defvar calc-alg-entry-history nil
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"History for algebraic entry.")
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(defvar calc-plain-entry nil)
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;;;###autoload
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(defun calc-alg-entry (&optional initial prompt)
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(let* ((calc-dollar-values (mapcar #'calc-get-stack-element
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(nthcdr calc-stack-top calc-stack)))
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(calc-dollar-used 0)
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(calc-plain-entry t)
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(alg-exp (calc-do-alg-entry initial prompt t 'calc-alg-entry-history)))
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(if (stringp alg-exp)
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(progn
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(require 'calc-ext)
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(calc-alg-edit alg-exp))
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(let* ((calc-simplify-mode (if (eq last-command-event ?\C-j)
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'none
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calc-simplify-mode))
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(nvals (mapcar 'calc-normalize alg-exp)))
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(while alg-exp
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(calc-record (if (featurep 'calc-ext) (car alg-exp) (car nvals))
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"alg'")
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(calc-pop-push-record-list calc-dollar-used
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(and (not (equal (car alg-exp)
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(car nvals)))
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(featurep 'calc-ext)
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"")
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(list (car nvals)))
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(setq alg-exp (cdr alg-exp)
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nvals (cdr nvals)
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calc-dollar-used 0)))
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(calc-handle-whys))))
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(defvar calc-alg-ent-map
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent map minibuffer-local-map)
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(define-key map "'" 'calcAlg-previous)
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(define-key map "`" 'calcAlg-edit)
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(define-key map "\C-m" 'calcAlg-enter)
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(define-key map "\C-j" 'calcAlg-enter)
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map)
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"The keymap used for algebraic entry.")
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(defvar calc-alg-ent-esc-map
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(let ((map (make-keymap))
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(i 33))
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(set-keymap-parent map esc-map)
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(while (< i 127)
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(define-key map (vector i) 'calcAlg-escape)
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(setq i (1+ i)))
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map)
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"The keymap used for escapes in algebraic entry.")
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(defvar calc-alg-exp)
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;;;###autoload
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(defun calc-do-alg-entry (&optional initial prompt no-normalize history)
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(let* ((calc-buffer (current-buffer))
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(blink-matching-check-function 'calcAlg-blink-matching-check)
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(calc-alg-exp 'error))
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(define-key calc-alg-ent-map "\e" nil)
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(if (eq calc-algebraic-mode 'total)
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(define-key calc-alg-ent-map "\e" calc-alg-ent-esc-map)
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(define-key calc-alg-ent-map "\e+" 'calcAlg-plus-minus)
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(define-key calc-alg-ent-map "\em" 'calcAlg-mod)
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(define-key calc-alg-ent-map "\e=" 'calcAlg-equals)
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(define-key calc-alg-ent-map "\e\r" 'calcAlg-equals)
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(define-key calc-alg-ent-map "\ep" 'previous-history-element)
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(define-key calc-alg-ent-map "\en" 'next-history-element)
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(define-key calc-alg-ent-map "\e%" 'self-insert-command))
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(setq calc-aborted-prefix nil)
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(let ((buf (read-from-minibuffer (or prompt "Algebraic: ")
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(or initial "")
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calc-alg-ent-map nil history)))
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(when (eq calc-alg-exp 'error)
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(when (eq (car-safe (setq calc-alg-exp (math-read-exprs buf))) 'error)
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(setq calc-alg-exp nil)))
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(setq calc-aborted-prefix "alg'")
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(or no-normalize
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(and calc-alg-exp (setq calc-alg-exp (mapcar 'calc-normalize calc-alg-exp))))
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calc-alg-exp)))
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(defun calcAlg-plus-minus ()
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(interactive)
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(if (calc-minibuffer-contains ".* \\'")
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(insert "+/- ")
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(insert " +/- ")))
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(defun calcAlg-mod ()
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(interactive)
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(if (not (calc-minibuffer-contains ".* \\'"))
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(insert " "))
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(if (calc-minibuffer-contains ".* mod +\\'")
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(if calc-previous-modulo
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(insert (math-format-flat-expr calc-previous-modulo 0))
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(beep))
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(insert "mod ")))
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(defun calcAlg-previous ()
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(interactive)
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(if (calc-minibuffer-contains "\\'")
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(previous-history-element 1)
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(insert "'")))
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(defun calcAlg-equals ()
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(interactive)
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(unwind-protect
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(calcAlg-enter)
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(if (consp calc-alg-exp)
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(progn (setq prefix-arg (length calc-alg-exp))
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(calc-unread-command ?=)))))
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(defun calcAlg-escape ()
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(interactive)
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(calc-unread-command)
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(save-excursion
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(calc-select-buffer)
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(use-local-map calc-mode-map))
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(calcAlg-enter))
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(defun calcAlg-edit ()
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(interactive)
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(if (or (not calc-plain-entry)
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(calc-minibuffer-contains
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"\\`\\([^\"]*\"[^\"]*\"\\)*[^\"]*\"[^\"]*\\'"))
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(insert "`")
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(setq calc-alg-exp (minibuffer-contents))
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(exit-minibuffer)))
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(defvar calc-buffer)
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||
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(defun calcAlg-enter ()
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(interactive)
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(let* ((str (minibuffer-contents))
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(exp (and (> (length str) 0)
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(with-current-buffer calc-buffer
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(math-read-exprs str)))))
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(if (eq (car-safe exp) 'error)
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(progn
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(goto-char (minibuffer-prompt-end))
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||
(forward-char (nth 1 exp))
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||
(beep)
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||
(calc-temp-minibuffer-message
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||
(concat " [" (or (nth 2 exp) "Error") "]"))
|
||
(calc-clear-unread-commands))
|
||
(setq calc-alg-exp (if (calc-minibuffer-contains "\\` *\\[ *\\'")
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'((incomplete vec))
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exp))
|
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(exit-minibuffer))))
|
||
|
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(defun calcAlg-blink-matching-check (leftpt rightpt)
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||
(let ((rightchar (char-before rightpt))
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(leftchar (if leftpt (char-after leftpt))))
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||
(if (and leftpt
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(or (and (= rightchar ?\))
|
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(= leftchar ?\[))
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||
(and (= rightchar ?\])
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||
(= leftchar ?\()))
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||
(save-excursion
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||
(goto-char leftpt)
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||
(looking-at ".+\\(\\.\\.\\|\\\\dots\\|\\\\ldots\\)")))
|
||
;; [2..5) perfectly valid!
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nil
|
||
(blink-matching-check-mismatch leftpt rightpt))))
|
||
|
||
;;;###autoload
|
||
(defun calc-alg-digit-entry ()
|
||
(calc-alg-entry
|
||
(calc-digit-start-entry)))
|
||
|
||
;; The variable calc-digit-value is initially declared in calc.el,
|
||
;; but can be set by calcDigit-algebraic and calcDigit-edit.
|
||
(defvar calc-digit-value)
|
||
|
||
;;;###autoload
|
||
(defun calcDigit-algebraic ()
|
||
(interactive)
|
||
(if (calc-minibuffer-contains ".*[@oh] *[^'m ]+[^'m]*\\'")
|
||
(calcDigit-key)
|
||
(setq calc-digit-value (minibuffer-contents))
|
||
(exit-minibuffer)))
|
||
|
||
;;;###autoload
|
||
(defun calcDigit-edit ()
|
||
(interactive)
|
||
(calc-unread-command)
|
||
(setq calc-digit-value (minibuffer-contents))
|
||
(exit-minibuffer))
|
||
|
||
|
||
;;; Algebraic expression parsing. [Public]
|
||
|
||
(defvar math-read-replacement-list
|
||
'(;; Misc symbols
|
||
("±" "+/-") ; plus or minus
|
||
("×" "*") ; multiplication sign
|
||
("÷" ":") ; division sign
|
||
("−" "-") ; subtraction sign
|
||
("∕" "/") ; division sign
|
||
("∗" "*") ; asterisk multiplication
|
||
("∞" "inf") ; infinity symbol
|
||
("≤" "<=")
|
||
("≥" ">=")
|
||
("≦" "<=")
|
||
("≧" ">=")
|
||
("µ" "μ")
|
||
;; fractions
|
||
("¼" "(1:4)") ; 1/4
|
||
("½" "(1:2)") ; 1/2
|
||
("¾" "(3:4)") ; 3/4
|
||
("⅓" "(1:3)") ; 1/3
|
||
("⅔" "(2:3)") ; 2/3
|
||
("⅕" "(1:5)") ; 1/5
|
||
("⅖" "(2:5)") ; 2/5
|
||
("⅗" "(3:5)") ; 3/5
|
||
("⅘" "(4:5)") ; 4/5
|
||
("⅙" "(1:6)") ; 1/6
|
||
("⅚" "(5:6)") ; 5/6
|
||
("⅛" "(1:8)") ; 1/8
|
||
("⅜" "(3:8)") ; 3/8
|
||
("⅝" "(5:8)") ; 5/8
|
||
("⅞" "(7:8)") ; 7/8
|
||
("⅟" "1:") ; 1/...
|
||
("⁄" ":") ; arbitrary fractions of the form 123⁄456
|
||
;; superscripts
|
||
("⁰" "0") ; 0
|
||
("¹" "1") ; 1
|
||
("²" "2") ; 2
|
||
("³" "3") ; 3
|
||
("⁴" "4") ; 4
|
||
("⁵" "5") ; 5
|
||
("⁶" "6") ; 6
|
||
("⁷" "7") ; 7
|
||
("⁸" "8") ; 8
|
||
("⁹" "9") ; 9
|
||
("⁺" "+") ; +
|
||
("⁻" "-") ; -
|
||
("⁽" "(") ; (
|
||
("⁾" ")") ; )
|
||
("ⁿ" "n") ; n
|
||
("ⁱ" "i") ; i
|
||
;; subscripts
|
||
("₀" "0") ; 0
|
||
("₁" "1") ; 1
|
||
("₂" "2") ; 2
|
||
("₃" "3") ; 3
|
||
("₄" "4") ; 4
|
||
("₅" "5") ; 5
|
||
("₆" "6") ; 6
|
||
("₇" "7") ; 7
|
||
("₈" "8") ; 8
|
||
("₉" "9") ; 9
|
||
("₊" "+") ; +
|
||
("₋" "-") ; -
|
||
("₍" "(") ; (
|
||
("₎" ")")) ; )
|
||
"A list indicating replacements to make in Calc algebraic input.")
|
||
|
||
(defvar math-read-superscripts
|
||
"⁰¹²³⁴⁵⁶⁷⁸⁹⁺⁻⁽⁾ⁿⁱ" ; 0123456789+-()ni
|
||
"A string consisting of the superscripts allowed by Calc.")
|
||
|
||
(defvar math-read-subscripts
|
||
"₀₁₂₃₄₅₆₇₈₉₊₋₍₎" ; 0123456789+-()
|
||
"A string consisting of the subscripts allowed by Calc.")
|
||
|
||
(defvar math--read-preprocess-re-cache nil
|
||
"Cached regexp and tag: (REGEXP REPLACEMENTS SUPERSCRIPTS SUBSCRIPTS)")
|
||
|
||
;;;###autoload
|
||
(defun math-read-preprocess-string (str)
|
||
"Replace some substrings of STR by Calc equivalents."
|
||
(unless (and (eq (nth 1 math--read-preprocess-re-cache)
|
||
math-read-replacement-list)
|
||
(eq (nth 2 math--read-preprocess-re-cache)
|
||
math-read-superscripts)
|
||
(eq (nth 3 math--read-preprocess-re-cache)
|
||
math-read-subscripts))
|
||
;; Cache invalid, recompute.
|
||
(setq math--read-preprocess-re-cache
|
||
(list (rx-to-string
|
||
`(or (or (+ (in ,math-read-superscripts))
|
||
(group (+ (in ,math-read-subscripts))))
|
||
(group (or ,@(mapcar #'car math-read-replacement-list))))
|
||
t)
|
||
math-read-replacement-list
|
||
math-read-superscripts
|
||
math-read-subscripts)))
|
||
(replace-regexp-in-string
|
||
(nth 0 math--read-preprocess-re-cache)
|
||
(lambda (s)
|
||
(if (match-beginning 2)
|
||
(cadr (assoc s math-read-replacement-list)) ; not super/subscript
|
||
(concat (if (match-beginning 1) "_" "^")
|
||
"("
|
||
(mapconcat (lambda (c)
|
||
(cadr (assoc (char-to-string c)
|
||
math-read-replacement-list)))
|
||
s)
|
||
")")))
|
||
str t))
|
||
|
||
;; The next few variables are local to math-read-exprs (and math-read-expr
|
||
;; in calc-ext.el), but are set in functions they call.
|
||
|
||
(defvar math-exp-pos)
|
||
(defvar math-exp-str)
|
||
(defvar math-exp-old-pos)
|
||
(defvar math-exp-token)
|
||
(defvar math-exp-keep-spaces)
|
||
(defvar math-expr-data)
|
||
|
||
;;;###autoload
|
||
(defun math-read-exprs (str)
|
||
(let ((math-exp-str str)
|
||
(math-exp-pos 0)
|
||
(math-exp-old-pos 0)
|
||
(math-exp-keep-spaces nil)
|
||
math-exp-token math-expr-data)
|
||
(setq math-exp-str (math-read-preprocess-string math-exp-str))
|
||
(if (memq calc-language calc-lang-allow-percentsigns)
|
||
(setq math-exp-str (math-remove-percentsigns math-exp-str)))
|
||
(if calc-language-input-filter
|
||
(setq math-exp-str (funcall calc-language-input-filter math-exp-str)))
|
||
(while (setq math-exp-token
|
||
(string-match "\\.\\.\\([^.]\\|.[^.]\\)" math-exp-str))
|
||
(setq math-exp-str
|
||
(concat (substring math-exp-str 0 math-exp-token) "\\dots"
|
||
(substring math-exp-str (+ math-exp-token 2)))))
|
||
(math-build-parse-table)
|
||
(math-read-token)
|
||
(let ((val (catch 'syntax (math-read-expr-list))))
|
||
(if (stringp val)
|
||
(list 'error math-exp-old-pos val)
|
||
(if (equal math-exp-token 'end)
|
||
val
|
||
(list 'error math-exp-old-pos "Syntax error"))))))
|
||
|
||
;;;###autoload
|
||
(defun math-read-expr-list ()
|
||
(let* ((math-exp-keep-spaces nil)
|
||
(val (list (math-read-expr-level 0)))
|
||
(last val))
|
||
(while (equal math-expr-data ",")
|
||
(math-read-token)
|
||
(let ((rest (list (math-read-expr-level 0))))
|
||
(setcdr last rest)
|
||
(setq last rest)))
|
||
val))
|
||
|
||
(defvar calc-user-parse-table nil)
|
||
(defvar calc-last-main-parse-table nil)
|
||
(defvar calc-last-user-lang-parse-table nil)
|
||
(defvar calc-last-lang-parse-table nil)
|
||
(defvar calc-user-tokens nil)
|
||
(defvar calc-user-token-chars nil)
|
||
|
||
(defvar math-toks nil
|
||
"Tokens to pass between math-build-parse-table and math-find-user-tokens.")
|
||
|
||
;;;###autoload
|
||
(defun math-build-parse-table ()
|
||
(let ((mtab (cdr (assq nil calc-user-parse-tables)))
|
||
(ltab (cdr (assq calc-language calc-user-parse-tables)))
|
||
(lltab (get calc-language 'math-parse-table)))
|
||
(or (and (eq mtab calc-last-main-parse-table)
|
||
(eq ltab calc-last-user-lang-parse-table)
|
||
(eq lltab calc-last-lang-parse-table))
|
||
(let ((p (append mtab ltab lltab))
|
||
(math-toks nil))
|
||
(setq calc-user-parse-table p)
|
||
(setq calc-user-token-chars nil)
|
||
(while p
|
||
(math-find-user-tokens (car (car p)))
|
||
(setq p (cdr p)))
|
||
(setq calc-user-tokens (mapconcat 'identity
|
||
(sort (mapcar #'car math-toks)
|
||
(lambda (x y)
|
||
(> (length x)
|
||
(length y))))
|
||
"\\|")
|
||
calc-last-main-parse-table mtab
|
||
calc-last-user-lang-parse-table ltab
|
||
calc-last-lang-parse-table lltab)))))
|
||
|
||
;;;###autoload
|
||
(defun math-find-user-tokens (p)
|
||
(while p
|
||
(cond ((and (stringp (car p))
|
||
(or (> (length (car p)) 1) (equal (car p) "$")
|
||
(equal (car p) "\""))
|
||
(string-match "[^a-zA-Zα-ωΑ-Ω0-9]" (car p)))
|
||
(let ((s (regexp-quote (car p))))
|
||
(if (string-match "\\`[a-zA-Zα-ωΑ-Ω0-9]" s)
|
||
(setq s (concat "\\<" s)))
|
||
(if (string-match "[a-zA-Zα-ωΑ-Ω0-9]\\'" s)
|
||
(setq s (concat s "\\>")))
|
||
(or (assoc s math-toks)
|
||
(progn
|
||
(setq math-toks (cons (list s) math-toks))
|
||
(or (memq (aref (car p) 0) calc-user-token-chars)
|
||
(setq calc-user-token-chars
|
||
(cons (aref (car p) 0)
|
||
calc-user-token-chars)))))))
|
||
((consp (car p))
|
||
(math-find-user-tokens (nth 1 (car p)))
|
||
(or (eq (car (car p)) '\?)
|
||
(math-find-user-tokens (nth 2 (car p))))))
|
||
(setq p (cdr p))))
|
||
|
||
;;;###autoload
|
||
(defun math-read-token ()
|
||
(if (>= math-exp-pos (length math-exp-str))
|
||
(setq math-exp-old-pos math-exp-pos
|
||
math-exp-token 'end
|
||
math-expr-data "\000")
|
||
(let (adfn
|
||
(ch (aref math-exp-str math-exp-pos)))
|
||
(setq math-exp-old-pos math-exp-pos)
|
||
(cond ((memq ch '(32 10 9))
|
||
(setq math-exp-pos (1+ math-exp-pos))
|
||
(if math-exp-keep-spaces
|
||
(setq math-exp-token 'space
|
||
math-expr-data " ")
|
||
(math-read-token)))
|
||
((and (memq ch calc-user-token-chars)
|
||
(let ((case-fold-search nil))
|
||
(eq (string-match
|
||
calc-user-tokens math-exp-str math-exp-pos)
|
||
math-exp-pos)))
|
||
(setq math-exp-token 'punc
|
||
math-expr-data (math-match-substring math-exp-str 0)
|
||
math-exp-pos (match-end 0)))
|
||
((or (and (>= ch ?a) (<= ch ?z))
|
||
(and (>= ch ?A) (<= ch ?Z))
|
||
(and (>= ch ?α) (<= ch ?ω))
|
||
(and (>= ch ?Α) (<= ch ?Ω)))
|
||
(string-match
|
||
(cond
|
||
((and (memq calc-language calc-lang-allow-underscores)
|
||
(memq calc-language calc-lang-allow-percentsigns))
|
||
"[a-zA-Zα-ωΑ-Ω0-9_'#]*")
|
||
((memq calc-language calc-lang-allow-underscores)
|
||
"[a-zA-Zα-ωΑ-Ω0-9_#]*")
|
||
(t "[a-zA-Zα-ωΑ-Ω0-9'#]*"))
|
||
math-exp-str math-exp-pos)
|
||
(setq math-exp-token 'symbol
|
||
math-exp-pos (match-end 0)
|
||
math-expr-data (math-restore-dashes
|
||
(math-match-substring math-exp-str 0)))
|
||
(if (setq adfn (get calc-language 'math-lang-adjust-words))
|
||
(funcall adfn)))
|
||
((or (and (>= ch ?0) (<= ch ?9))
|
||
(and (eq ch '?\.)
|
||
(eq (string-match "\\.[0-9]" math-exp-str math-exp-pos)
|
||
math-exp-pos))
|
||
(and (eq ch '?_)
|
||
(eq (string-match "_\\.?[0-9]" math-exp-str math-exp-pos)
|
||
math-exp-pos)
|
||
(or (eq math-exp-pos 0)
|
||
(and (not (memq calc-language
|
||
calc-lang-allow-underscores))
|
||
(eq (string-match "[^])}\"a-zA-Zα-ωΑ-Ω0-9'$]_"
|
||
math-exp-str (1- math-exp-pos))
|
||
(1- math-exp-pos))))))
|
||
(or (and (memq calc-language calc-lang-c-type-hex)
|
||
(eq (string-match "0[xX][[:xdigit:]]+" math-exp-str
|
||
math-exp-pos)
|
||
math-exp-pos))
|
||
(string-match "_?\\([0-9]+.?0*@ *\\)?\\([0-9]+.?0*' *\\)?\\(0*\\([2-9]\\|1[0-4]\\)\\(#[#]?\\|\\^\\^\\)[0-9a-dA-D.]+[eE][-+_]?[0-9]+\\|0*\\([2-9]\\|[0-2][0-9]\\|3[0-6]\\)\\(#[#]?\\|\\^\\^\\)[0-9a-zA-Zα-ωΑ-Ω:.]+\\|[0-9]+:[0-9:]+\\|[0-9.]+\\([eE][-+_]?[0-9]+\\)?\"?\\)?"
|
||
math-exp-str math-exp-pos))
|
||
(setq math-exp-token 'number
|
||
math-expr-data (math-match-substring math-exp-str 0)
|
||
math-exp-pos (match-end 0)))
|
||
((and (setq adfn
|
||
(assq ch (get calc-language 'math-lang-read-symbol)))
|
||
(eval (nth 1 adfn) t))
|
||
(eval (nth 2 adfn) t))
|
||
((eq ch ?\$)
|
||
(if (eq (string-match "\\$\\([1-9][0-9]*\\)" math-exp-str math-exp-pos)
|
||
math-exp-pos)
|
||
(setq math-expr-data (- (string-to-number (math-match-substring
|
||
math-exp-str 1))))
|
||
(string-match "\\$+" math-exp-str math-exp-pos)
|
||
(setq math-expr-data (- (match-end 0) (match-beginning 0))))
|
||
(setq math-exp-token 'dollar
|
||
math-exp-pos (match-end 0)))
|
||
((eq ch ?\#)
|
||
(if (eq (string-match "#\\([1-9][0-9]*\\)" math-exp-str math-exp-pos)
|
||
math-exp-pos)
|
||
(setq math-expr-data (string-to-number
|
||
(math-match-substring math-exp-str 1))
|
||
math-exp-pos (match-end 0))
|
||
(setq math-expr-data 1
|
||
math-exp-pos (1+ math-exp-pos)))
|
||
(setq math-exp-token 'hash))
|
||
((eq (string-match "~=\\|<=\\|>=\\|<>\\|/=\\|\\+/-\\|\\\\dots\\|\\\\ldots\\|\\*\\*\\|<<\\|>>\\|==\\|!=\\|&&&\\||||\\|!!!\\|&&\\|||\\|!!\\|:=\\|::\\|=>"
|
||
math-exp-str math-exp-pos)
|
||
math-exp-pos)
|
||
(setq math-exp-token 'punc
|
||
math-expr-data (math-match-substring math-exp-str 0)
|
||
math-exp-pos (match-end 0)))
|
||
((and (eq ch ?\")
|
||
(string-match "\\(\"\\([^\"\\]\\|\\\\.\\)*\\)\\(\"\\|\\'\\)"
|
||
math-exp-str math-exp-pos))
|
||
(setq math-exp-token 'string
|
||
math-expr-data (math-match-substring math-exp-str 1)
|
||
math-exp-pos (match-end 0)))
|
||
((and (setq adfn (get calc-language 'math-lang-read))
|
||
(eval (nth 0 adfn) t)
|
||
(eval (nth 1 adfn) t)))
|
||
((eq (string-match "%%.*$" math-exp-str math-exp-pos) math-exp-pos)
|
||
(setq math-exp-pos (match-end 0))
|
||
(math-read-token))
|
||
(t
|
||
(if (setq adfn (assq ch (get calc-language 'math-punc-table)))
|
||
(setq ch (cdr adfn)))
|
||
(setq math-exp-token 'punc
|
||
math-expr-data (char-to-string ch)
|
||
math-exp-pos (1+ math-exp-pos)))))))
|
||
|
||
(defconst math-alg-inequalities
|
||
'(calcFunc-lt calcFunc-gt calcFunc-leq calcFunc-geq
|
||
calcFunc-eq calcFunc-neq))
|
||
|
||
(defun math-read-expr-level (exp-prec &optional exp-term)
|
||
(let* ((math-expr-opers (math-expr-ops))
|
||
(x (math-read-factor))
|
||
(first t)
|
||
op op2)
|
||
(while (and (or (and calc-user-parse-table
|
||
(setq op (calc-check-user-syntax x exp-prec))
|
||
(setq x op
|
||
op '("2x" ident 999999 -1)))
|
||
(and (setq op (assoc math-expr-data math-expr-opers))
|
||
(/= (nth 2 op) -1)
|
||
(or (and (setq op2 (assoc
|
||
math-expr-data
|
||
(cdr (memq op math-expr-opers))))
|
||
(eq (= (nth 3 op) -1)
|
||
(/= (nth 3 op2) -1))
|
||
(eq (= (nth 3 op2) -1)
|
||
(not (math-factor-after)))
|
||
(setq op op2))
|
||
t))
|
||
(and (or (eq (nth 2 op) -1)
|
||
(memq math-exp-token '(symbol number dollar hash))
|
||
(equal math-expr-data "(")
|
||
(and (equal math-expr-data "[")
|
||
(not (equal
|
||
(get calc-language
|
||
'math-function-open) "["))
|
||
(not (and math-exp-keep-spaces
|
||
(eq (car-safe x) 'vec)))))
|
||
(or (not (setq op (assoc math-expr-data math-expr-opers)))
|
||
(/= (nth 2 op) -1))
|
||
(or (not calc-user-parse-table)
|
||
(not (eq math-exp-token 'symbol))
|
||
(let ((p calc-user-parse-table))
|
||
(while (and p
|
||
(or (not (integerp
|
||
(car (car (car p)))))
|
||
(not (equal
|
||
(nth 1 (car (car p)))
|
||
math-expr-data))))
|
||
(setq p (cdr p)))
|
||
(not p)))
|
||
(setq op (assoc "2x" math-expr-opers))))
|
||
(not (and exp-term (equal math-expr-data exp-term)))
|
||
(>= (nth 2 op) exp-prec))
|
||
(if (not (equal (car op) "2x"))
|
||
(math-read-token))
|
||
(and (memq (nth 1 op) '(sdev mod))
|
||
(require 'calc-ext))
|
||
(setq x (cond ((consp (nth 1 op))
|
||
(funcall (car (nth 1 op)) x op))
|
||
((eq (nth 3 op) -1)
|
||
(if (eq (nth 1 op) 'ident)
|
||
x
|
||
(if (eq (nth 1 op) 'closing)
|
||
(if (eq (nth 2 op) exp-prec)
|
||
(progn
|
||
(setq exp-prec 1000)
|
||
x)
|
||
(throw 'syntax "Mismatched delimiters"))
|
||
(list (nth 1 op) x))))
|
||
((and (not first)
|
||
(memq (nth 1 op) math-alg-inequalities)
|
||
(memq (car-safe x) math-alg-inequalities))
|
||
(require 'calc-ext)
|
||
(math-composite-inequalities x op))
|
||
(t (list (nth 1 op)
|
||
x
|
||
(math-read-expr-level (nth 3 op) exp-term))))
|
||
first nil))
|
||
x))
|
||
|
||
;; calc-arg-values is defined in calc-ext.el, but is used here.
|
||
(defvar calc-arg-values)
|
||
|
||
;;;###autoload
|
||
(defun calc-check-user-syntax (&optional x prec)
|
||
(let ((p calc-user-parse-table)
|
||
(matches nil)
|
||
match rule)
|
||
(while (and p
|
||
(or (not (progn
|
||
(setq rule (car (car p)))
|
||
(if x
|
||
(and (integerp (car rule))
|
||
(>= (car rule) prec)
|
||
(equal math-expr-data
|
||
(car (setq rule (cdr rule)))))
|
||
(equal math-expr-data (car rule)))))
|
||
(let ((save-exp-pos math-exp-pos)
|
||
(save-exp-old-pos math-exp-old-pos)
|
||
(save-exp-token math-exp-token)
|
||
(save-exp-data math-expr-data))
|
||
(or (not (listp
|
||
(setq matches (calc-match-user-syntax rule))))
|
||
(let ((args (progn
|
||
(require 'calc-ext)
|
||
calc-arg-values))
|
||
(conds nil)
|
||
temp)
|
||
(if x
|
||
(setq matches (cons x matches)))
|
||
(setq match (cdr (car p)))
|
||
(while (and (eq (car-safe match)
|
||
'calcFunc-condition)
|
||
(= (length match) 3))
|
||
(setq conds (append (math-flatten-lands
|
||
(nth 2 match))
|
||
conds)
|
||
match (nth 1 match)))
|
||
(while (and conds match)
|
||
(require 'calc-ext)
|
||
(cond ((eq (car-safe (car conds))
|
||
'calcFunc-let)
|
||
(setq temp (car conds))
|
||
(or (= (length temp) 3)
|
||
(and (= (length temp) 2)
|
||
(eq (car-safe (nth 1 temp))
|
||
'calcFunc-assign)
|
||
(= (length (nth 1 temp)) 3)
|
||
(setq temp (nth 1 temp)))
|
||
(setq match nil))
|
||
(setq matches (cons
|
||
(math-normalize
|
||
(math-multi-subst
|
||
(nth 2 temp)
|
||
args matches))
|
||
matches)
|
||
args (cons (nth 1 temp)
|
||
args)))
|
||
((and (eq (car-safe (car conds))
|
||
'calcFunc-matches)
|
||
(= (length (car conds)) 3))
|
||
(setq temp (calcFunc-vmatches
|
||
(math-multi-subst
|
||
(nth 1 (car conds))
|
||
args matches)
|
||
(nth 2 (car conds))))
|
||
(if (eq temp 0)
|
||
(setq match nil)
|
||
(while (setq temp (cdr temp))
|
||
(setq matches (cons (nth 2 (car temp))
|
||
matches)
|
||
args (cons (nth 1 (car temp))
|
||
args)))))
|
||
(t
|
||
(or (math-is-true (math-simplify
|
||
(math-multi-subst
|
||
(car conds)
|
||
args matches)))
|
||
(setq match nil))))
|
||
(setq conds (cdr conds)))
|
||
(if match
|
||
(not (setq match (math-multi-subst
|
||
match args matches)))
|
||
(setq math-exp-old-pos save-exp-old-pos
|
||
math-exp-token save-exp-token
|
||
math-expr-data save-exp-data
|
||
math-exp-pos save-exp-pos)))))))
|
||
(setq p (cdr p)))
|
||
(and p match)))
|
||
|
||
;;;###autoload
|
||
(defun calc-match-user-syntax (p &optional term)
|
||
(let ((matches nil)
|
||
(save-exp-pos math-exp-pos)
|
||
(save-exp-old-pos math-exp-old-pos)
|
||
(save-exp-token math-exp-token)
|
||
(save-exp-data math-expr-data)
|
||
m)
|
||
(while (and p
|
||
(cond ((stringp (car p))
|
||
(and (equal math-expr-data (car p))
|
||
(progn
|
||
(math-read-token)
|
||
t)))
|
||
((integerp (car p))
|
||
(and (setq m (catch 'syntax
|
||
(math-read-expr-level
|
||
(car p)
|
||
(if (cdr p)
|
||
(if (consp (nth 1 p))
|
||
(car (nth 1 (nth 1 p)))
|
||
(nth 1 p))
|
||
term))))
|
||
(not (stringp m))
|
||
(setq matches (nconc matches (list m)))))
|
||
((eq (car (car p)) '\?)
|
||
(setq m (calc-match-user-syntax (nth 1 (car p))))
|
||
(or (nth 2 (car p))
|
||
(setq matches
|
||
(nconc matches
|
||
(list
|
||
(cons 'vec (and (listp m) m))))))
|
||
(or (listp m) (not (nth 2 (car p)))
|
||
(not (eq (aref (car (nth 2 (car p))) 0) ?\$))
|
||
(eq math-exp-token 'end)))
|
||
(t
|
||
(setq m (calc-match-user-syntax (nth 1 (car p))
|
||
(car (nth 2 (car p)))))
|
||
(if (listp m)
|
||
(let ((vec (cons 'vec m))
|
||
opos mm)
|
||
(while (and (listp
|
||
(setq opos math-exp-pos
|
||
mm (calc-match-user-syntax
|
||
(or (nth 2 (car p))
|
||
(nth 1 (car p)))
|
||
(car (nth 2 (car p))))))
|
||
(> math-exp-pos opos))
|
||
(setq vec (nconc vec mm)))
|
||
(setq matches (nconc matches (list vec))))
|
||
(and (eq (car (car p)) '*)
|
||
(setq matches (nconc matches (list '(vec)))))))))
|
||
(setq p (cdr p)))
|
||
(if p
|
||
(setq math-exp-pos save-exp-pos
|
||
math-exp-old-pos save-exp-old-pos
|
||
math-exp-token save-exp-token
|
||
math-expr-data save-exp-data
|
||
matches "Failed"))
|
||
matches))
|
||
|
||
;;;###autoload
|
||
(defun math-remove-dashes (x)
|
||
(if (string-match "\\`\\(.*\\)-\\(.*\\)\\'" x)
|
||
(math-remove-dashes
|
||
(concat (math-match-substring x 1) "#" (math-match-substring x 2)))
|
||
x))
|
||
|
||
(defun math-remove-percentsigns (x)
|
||
(if (string-match "\\`\\(.*\\)%\\(.*\\)\\'" x)
|
||
(math-remove-percentsigns
|
||
(concat (math-match-substring x 1) "o'o" (math-match-substring x 2)))
|
||
x))
|
||
|
||
(defun math-restore-dashes (x)
|
||
(if (string-match "\\`\\(.*\\)[#_]\\(.*\\)\\'" x)
|
||
(math-restore-dashes
|
||
(concat (math-match-substring x 1) "-" (math-match-substring x 2)))
|
||
x))
|
||
|
||
(defun math-restore-placeholders (x)
|
||
"Replace placeholders by the proper characters in the symbol x.
|
||
This includes `#' for `_' and `'' for `%'.
|
||
If the current Calc language does not use placeholders, return nil."
|
||
(if (or (memq calc-language calc-lang-allow-underscores)
|
||
(memq calc-language calc-lang-allow-percentsigns))
|
||
(let ((sx (symbol-name x)))
|
||
(when (memq calc-language calc-lang-allow-percentsigns)
|
||
(require 'calccomp)
|
||
(setq sx (math-to-percentsigns sx)))
|
||
(if (memq calc-language calc-lang-allow-underscores)
|
||
(setq sx (math-string-restore-underscores sx)))
|
||
(intern-soft sx))))
|
||
|
||
(defun math-string-restore-underscores (x)
|
||
"Replace pound signs by underscores in the string x."
|
||
(if (string-match "\\`\\(.*\\)#\\(.*\\)\\'" x)
|
||
(math-string-restore-underscores
|
||
(concat (math-match-substring x 1) "_" (math-match-substring x 2)))
|
||
x))
|
||
|
||
;;;###autoload
|
||
(defun math-read-if (cond op)
|
||
(let ((then (math-read-expr-level 0)))
|
||
(or (equal math-expr-data ":")
|
||
(throw 'syntax "Expected `:'"))
|
||
(math-read-token)
|
||
(list 'calcFunc-if cond then (math-read-expr-level (nth 3 op)))))
|
||
|
||
(defun math-factor-after ()
|
||
(let ((math-exp-pos math-exp-pos)
|
||
math-exp-old-pos math-exp-token math-expr-data)
|
||
(math-read-token)
|
||
(or (memq math-exp-token '(number symbol dollar hash string))
|
||
(and (assoc math-expr-data '(("-") ("+") ("!") ("|") ("/")))
|
||
(assoc (concat "u" math-expr-data) math-expr-opers))
|
||
(eq (nth 2 (assoc math-expr-data math-expr-opers)) -1)
|
||
(assoc math-expr-data '(("(") ("[") ("{"))))))
|
||
|
||
(defun math-read-factor ()
|
||
(let ((math-expr-opers (math-expr-ops))
|
||
op)
|
||
(cond ((eq math-exp-token 'number)
|
||
(let ((num (math-read-number math-expr-data)))
|
||
(if (not num)
|
||
(progn
|
||
(setq math-exp-old-pos math-exp-pos)
|
||
(throw 'syntax "Bad format")))
|
||
(math-read-token)
|
||
(if (and math-read-expr-quotes
|
||
(consp num))
|
||
(list 'quote num)
|
||
num)))
|
||
((and calc-user-parse-table
|
||
(setq op (calc-check-user-syntax)))
|
||
op)
|
||
((or (equal math-expr-data "-")
|
||
(equal math-expr-data "+")
|
||
(equal math-expr-data "!")
|
||
(equal math-expr-data "|")
|
||
(equal math-expr-data "/"))
|
||
(setq math-expr-data (concat "u" math-expr-data))
|
||
(math-read-factor))
|
||
((and (setq op (assoc math-expr-data math-expr-opers))
|
||
(eq (nth 2 op) -1))
|
||
(if (consp (nth 1 op))
|
||
(funcall (car (nth 1 op)) op)
|
||
(math-read-token)
|
||
(let ((val (math-read-expr-level (nth 3 op))))
|
||
(cond ((eq (nth 1 op) 'ident)
|
||
val)
|
||
((and (Math-numberp val)
|
||
(equal (car op) "u-"))
|
||
(math-neg val))
|
||
(t (list (nth 1 op) val))))))
|
||
((eq math-exp-token 'symbol)
|
||
(let ((sym (intern math-expr-data)))
|
||
(math-read-token)
|
||
(if (equal math-expr-data calc-function-open)
|
||
(let ((f (assq sym math-expr-function-mapping)))
|
||
(math-read-token)
|
||
(if (consp (cdr f))
|
||
(funcall (car (cdr f)) f sym)
|
||
(let ((args (if (or (equal math-expr-data calc-function-close)
|
||
(eq math-exp-token 'end))
|
||
nil
|
||
(math-read-expr-list))))
|
||
(if (not (or (equal math-expr-data calc-function-close)
|
||
(eq math-exp-token 'end)))
|
||
(throw 'syntax "Expected `)'"))
|
||
(math-read-token)
|
||
(if (and (memq calc-language
|
||
calc-lang-parens-are-subscripts)
|
||
args
|
||
(require 'calc-ext)
|
||
(let ((calc-matrix-mode 'scalar))
|
||
(math-known-matrixp
|
||
(list 'var sym
|
||
(intern
|
||
(concat "var-"
|
||
(symbol-name sym)))))))
|
||
(math-parse-fortran-subscr sym args)
|
||
(if f
|
||
(setq sym (cdr f))
|
||
(and (= (aref (symbol-name sym) 0) ?\\)
|
||
(< (prefix-numeric-value calc-language-option)
|
||
0)
|
||
(setq sym (intern (substring (symbol-name sym)
|
||
1))))
|
||
(or (string-search "-" (symbol-name sym))
|
||
(setq sym (intern
|
||
(concat "calcFunc-"
|
||
(symbol-name sym))))))
|
||
(cons sym args)))))
|
||
(if math-read-expr-quotes
|
||
sym
|
||
(let ((val (list 'var
|
||
(intern (math-remove-dashes
|
||
(symbol-name sym)))
|
||
(if (string-search "-" (symbol-name sym))
|
||
sym
|
||
(intern (concat "var-"
|
||
(symbol-name sym)))))))
|
||
(let ((v (or
|
||
(assq (nth 1 val) math-expr-variable-mapping)
|
||
(assq (math-restore-placeholders (nth 1 val))
|
||
math-expr-variable-mapping))))
|
||
(and v (setq val (if (consp (cdr v))
|
||
(funcall (car (cdr v)) v val)
|
||
(list 'var
|
||
(intern
|
||
(substring (symbol-name (cdr v))
|
||
4))
|
||
(cdr v))))))
|
||
(while (and (memq calc-language
|
||
calc-lang-brackets-are-subscripts)
|
||
(equal math-expr-data "["))
|
||
(math-read-token)
|
||
(let ((el (math-read-expr-list)))
|
||
(while el
|
||
(setq val (append (list 'calcFunc-subscr val)
|
||
(list (car el))))
|
||
(setq el (cdr el))))
|
||
(if (equal math-expr-data "]")
|
||
(math-read-token)
|
||
(throw 'syntax "Expected `]'")))
|
||
val)))))
|
||
((eq math-exp-token 'dollar)
|
||
(let ((abs (if (> math-expr-data 0) math-expr-data (- math-expr-data))))
|
||
(if (>= (length calc-dollar-values) abs)
|
||
(let ((num math-expr-data))
|
||
(math-read-token)
|
||
(setq calc-dollar-used (max calc-dollar-used num))
|
||
(math-check-complete (nth (1- abs) calc-dollar-values)))
|
||
(throw 'syntax (if calc-dollar-values
|
||
"Too many $'s"
|
||
"$'s not allowed in this context")))))
|
||
((eq math-exp-token 'hash)
|
||
(or calc-hashes-used
|
||
(throw 'syntax "#'s not allowed in this context"))
|
||
(require 'calc-ext)
|
||
(if (<= math-expr-data (length calc-arg-values))
|
||
(let ((num math-expr-data))
|
||
(math-read-token)
|
||
(setq calc-hashes-used (max calc-hashes-used num))
|
||
(nth (1- num) calc-arg-values))
|
||
(throw 'syntax "Too many # arguments")))
|
||
((equal math-expr-data "(")
|
||
(let* ((exp (let ((math-exp-keep-spaces nil))
|
||
(math-read-token)
|
||
(if (or (equal math-expr-data "\\dots")
|
||
(equal math-expr-data "\\ldots"))
|
||
'(neg (var inf var-inf))
|
||
(math-read-expr-level 0)))))
|
||
(let ((math-exp-keep-spaces nil))
|
||
(cond
|
||
((equal math-expr-data ",")
|
||
(progn
|
||
(math-read-token)
|
||
(let ((exp2 (math-read-expr-level 0)))
|
||
(setq exp
|
||
(if (and exp2 (Math-realp exp) (Math-realp exp2))
|
||
(math-normalize (list 'cplx exp exp2))
|
||
(list '+ exp (list '* exp2 '(var i var-i))))))))
|
||
((equal math-expr-data ";")
|
||
(progn
|
||
(math-read-token)
|
||
(let ((exp2 (math-read-expr-level 0)))
|
||
(setq exp (if (and exp2 (Math-realp exp)
|
||
(Math-anglep exp2))
|
||
(math-normalize (list 'polar exp exp2))
|
||
(require 'calc-ext)
|
||
(list '* exp
|
||
(list 'calcFunc-exp
|
||
(list '*
|
||
(math-to-radians-2 exp2)
|
||
'(var i var-i)))))))))
|
||
((or (equal math-expr-data "\\dots")
|
||
(equal math-expr-data "\\ldots"))
|
||
(progn
|
||
(math-read-token)
|
||
(let ((exp2 (if (or (equal math-expr-data ")")
|
||
(equal math-expr-data "]")
|
||
(eq math-exp-token 'end))
|
||
'(var inf var-inf)
|
||
(math-read-expr-level 0))))
|
||
(setq exp
|
||
(list 'intv
|
||
(if (equal math-expr-data ")") 0 1)
|
||
exp
|
||
exp2)))))))
|
||
(if (not (or (equal math-expr-data ")")
|
||
(and (equal math-expr-data "]") (eq (car-safe exp) 'intv))
|
||
(eq math-exp-token 'end)))
|
||
(throw 'syntax "Expected `)'"))
|
||
(math-read-token)
|
||
exp))
|
||
((eq math-exp-token 'string)
|
||
(require 'calc-ext)
|
||
(math-read-string))
|
||
((equal math-expr-data "[")
|
||
(require 'calc-ext)
|
||
(math-read-brackets t "]"))
|
||
((equal math-expr-data "{")
|
||
(require 'calc-ext)
|
||
(math-read-brackets nil "}"))
|
||
((equal math-expr-data "<")
|
||
(require 'calc-ext)
|
||
(math-read-angle-brackets))
|
||
(t (throw 'syntax "Expected a number")))))
|
||
|
||
(provide 'calc-aent)
|
||
|
||
;; Local variables:
|
||
;; generated-autoload-file: "calc-loaddefs.el"
|
||
;; End:
|
||
|
||
;;; calc-aent.el ends here
|