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;; Calculator for GNU Emacs, part I [calc-macs.el]
;; Copyright (C) 1990, 1991, 1992, 1993, 2001 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))))
;;; calc-macs.el ends here
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