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- ;; Calculator for GNU Emacs, part I [calc-macs.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.
-
-
- (provide 'calc-macs)
-
- (defun calc-need-macros () nil)
-
-
- (defmacro calc-record-compilation-date-macro ()
- (` (setq calc-installed-date (, (concat (current-time-string)
- " by "
- (user-full-name)))))
- )
-
-
- (defmacro calc-wrapper (&rest body)
- (list 'calc-do (list 'function (append (list 'lambda ()) body)))
- )
-
- ;; We use "point" here to generate slightly smaller byte-code than "t".
- (defmacro calc-slow-wrapper (&rest body)
- (list 'calc-do (list 'function (append (list 'lambda ()) body)) (point))
- )
-
-
- (defmacro math-showing-full-precision (body)
- (list 'let
- '((calc-float-format calc-full-float-format))
- body)
- )
-
-
- (defmacro math-with-extra-prec (delta &rest body)
- (` (math-normalize
- (let ((calc-internal-prec (+ calc-internal-prec (, delta))))
- (,@ body))))
- )
-
-
- ;;; Faster in-line version zerop, normalized values only.
- (defmacro Math-zerop (a) ; [P N]
- (` (if (consp (, a))
- (and (not (memq (car (, a)) '(bigpos bigneg)))
- (if (eq (car (, a)) 'float)
- (eq (nth 1 (, a)) 0)
- (math-zerop (, a))))
- (eq (, a) 0)))
- )
-
- (defmacro Math-integer-negp (a)
- (` (if (consp (, a))
- (eq (car (, a)) 'bigneg)
- (< (, a) 0)))
- )
-
- (defmacro Math-integer-posp (a)
- (` (if (consp (, a))
- (eq (car (, a)) 'bigpos)
- (> (, a) 0)))
- )
-
-
- (defmacro Math-negp (a)
- (` (if (consp (, a))
- (or (eq (car (, a)) 'bigneg)
- (and (not (eq (car (, a)) 'bigpos))
- (if (memq (car (, a)) '(frac float))
- (Math-integer-negp (nth 1 (, a)))
- (math-negp (, a)))))
- (< (, a) 0)))
- )
-
-
- (defmacro Math-looks-negp (a) ; [P x] [Public]
- (` (or (Math-negp (, a))
- (and (consp (, a)) (or (eq (car (, a)) 'neg)
- (and (memq (car (, a)) '(* /))
- (or (math-looks-negp (nth 1 (, a)))
- (math-looks-negp (nth 2 (, a)))))))))
- )
-
-
- (defmacro Math-posp (a)
- (` (if (consp (, a))
- (or (eq (car (, a)) 'bigpos)
- (and (not (eq (car (, a)) 'bigneg))
- (if (memq (car (, a)) '(frac float))
- (Math-integer-posp (nth 1 (, a)))
- (math-posp (, a)))))
- (> (, a) 0)))
- )
-
-
- (defmacro Math-integerp (a)
- (` (or (not (consp (, a)))
- (memq (car (, a)) '(bigpos bigneg))))
- )
-
-
- (defmacro Math-natnump (a)
- (` (if (consp (, a))
- (eq (car (, a)) 'bigpos)
- (>= (, a) 0)))
- )
-
- (defmacro Math-ratp (a)
- (` (or (not (consp (, a)))
- (memq (car (, a)) '(bigpos bigneg frac))))
- )
-
- (defmacro Math-realp (a)
- (` (or (not (consp (, a)))
- (memq (car (, a)) '(bigpos bigneg frac float))))
- )
-
- (defmacro Math-anglep (a)
- (` (or (not (consp (, a)))
- (memq (car (, a)) '(bigpos bigneg frac float hms))))
- )
-
- (defmacro Math-numberp (a)
- (` (or (not (consp (, a)))
- (memq (car (, a)) '(bigpos bigneg frac float cplx polar))))
- )
-
- (defmacro Math-scalarp (a)
- (` (or (not (consp (, a)))
- (memq (car (, a)) '(bigpos bigneg frac float cplx polar hms))))
- )
-
- (defmacro Math-vectorp (a)
- (` (and (consp (, a)) (eq (car (, a)) 'vec)))
- )
-
- (defmacro Math-messy-integerp (a)
- (` (and (consp (, a))
- (eq (car (, a)) 'float)
- (>= (nth 2 (, a)) 0)))
- )
-
- (defmacro Math-objectp (a) ; [Public]
- (` (or (not (consp (, a)))
- (memq (car (, a))
- '(bigpos bigneg frac float cplx polar hms date sdev intv mod))))
- )
-
- (defmacro Math-objvecp (a) ; [Public]
- (` (or (not (consp (, a)))
- (memq (car (, a))
- '(bigpos bigneg frac float cplx polar hms date
- sdev intv mod vec))))
- )
-
-
- ;;; Compute the negative of A. [O O; o o] [Public]
- (defmacro Math-integer-neg (a)
- (` (if (consp (, a))
- (if (eq (car (, a)) 'bigpos)
- (cons 'bigneg (cdr (, a)))
- (cons 'bigpos (cdr (, a))))
- (- (, a))))
- )
-
-
- (defmacro Math-equal (a b)
- (` (= (math-compare (, a) (, b)) 0))
- )
-
- (defmacro Math-lessp (a b)
- (` (= (math-compare (, a) (, b)) -1))
- )
-
-
- (defmacro math-working (msg arg) ; [Public]
- (` (if (eq calc-display-working-message 'lots)
- (math-do-working (, msg) (, arg))))
- )
-
-
- (defmacro calc-with-default-simplification (body)
- (list 'let
- '((calc-simplify-mode (and (not (memq calc-simplify-mode '(none num)))
- calc-simplify-mode)))
- body)
- )
-
-
- (defmacro Math-primp (a)
- (` (or (not (consp (, a)))
- (memq (car (, a)) '(bigpos bigneg frac float cplx polar
- hms date mod var))))
- )
-
-
- (defmacro calc-with-trail-buffer (&rest body)
- (` (let ((save-buf (current-buffer))
- (calc-command-flags nil))
- (unwind-protect
- (, (append '(progn
- (set-buffer (calc-trail-display t))
- (goto-char calc-trail-pointer))
- body))
- (set-buffer save-buf))))
- )
-
-
- (defmacro Math-num-integerp (a)
- (` (or (not (consp (, a)))
- (memq (car (, a)) '(bigpos bigneg))
- (and (eq (car (, a)) 'float)
- (>= (nth 2 (, a)) 0))))
- )
-
-
- (defmacro Math-bignum-test (a) ; [B N; B s; b b]
- (` (if (consp (, a))
- (, a)
- (math-bignum (, a))))
- )
-
-
- (defmacro Math-equal-int (a b)
- (` (or (eq (, a) (, b))
- (and (consp (, a))
- (eq (car (, a)) 'float)
- (eq (nth 1 (, a)) (, b))
- (= (nth 2 (, a)) 0))))
- )
-
- (defmacro Math-natnum-lessp (a b)
- (` (if (consp (, a))
- (and (consp (, b))
- (= (math-compare-bignum (cdr (, a)) (cdr (, b))) -1))
- (or (consp (, b))
- (< (, a) (, b)))))
- )
-
-
- (defmacro math-format-radix-digit (a) ; [X D]
- (` (aref math-radix-digits (, a)))
- )
-
-
-