Initial import of Calc 2.02f.

1 files changed, 262 insertions, 0 deletions

diff --git a/lisp/calc/calc-macs.el b/lisp/calc/calc-macs.el
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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)))
+)
+
+