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204 lines
5.3 KiB
EmacsLisp
204 lines
5.3 KiB
EmacsLisp
;;; calc-macs.el --- important macros for Calc
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;; Copyright (C) 1990, 1991, 1992, 1993, 2001, 2002, 2003, 2004,
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;; 2005, 2006 Free Software Foundation, Inc.
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;; Author: David Gillespie <daveg@synaptics.com>
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;; Maintainer: Jay Belanger <belanger@truman.edu>
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;; This file is part of GNU Emacs.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY. No author or distributor
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;; accepts responsibility to anyone for the consequences of using it
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;; or for whether it serves any particular purpose or works at all,
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;; unless he says so in writing. Refer to the GNU Emacs General Public
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;; License for full details.
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;; Everyone is granted permission to copy, modify and redistribute
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;; GNU Emacs, but only under the conditions described in the
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;; GNU Emacs General Public License. A copy of this license is
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;; supposed to have been given to you along with GNU Emacs so you
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;; can know your rights and responsibilities. It should be in a
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;; file named COPYING. Among other things, the copyright notice
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;; and this notice must be preserved on all copies.
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;;; Commentary:
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;;; Code:
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(defmacro calc-wrapper (&rest body)
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`(calc-do (function (lambda ()
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,@body))))
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(defmacro calc-slow-wrapper (&rest body)
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`(calc-do
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(function (lambda () ,@body)) (point)))
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(defmacro math-showing-full-precision (form)
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`(let ((calc-float-format calc-full-float-format))
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,form))
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(defmacro math-with-extra-prec (delta &rest body)
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`(math-normalize
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(let ((calc-internal-prec (+ calc-internal-prec ,delta)))
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,@body)))
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(defmacro math-working (msg arg) ; [Public]
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`(if (eq calc-display-working-message 'lots)
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(math-do-working ,msg ,arg)))
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(defmacro calc-with-default-simplification (&rest body)
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`(let ((calc-simplify-mode (and (not (memq calc-simplify-mode '(none num)))
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calc-simplify-mode)))
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,@body))
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(defmacro calc-with-trail-buffer (&rest body)
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`(let ((save-buf (current-buffer))
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(calc-command-flags nil))
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(with-current-buffer (calc-trail-display t)
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(progn
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(goto-char calc-trail-pointer)
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,@body))))
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;;; Faster in-line version zerop, normalized values only.
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(defsubst Math-zerop (a) ; [P N]
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(if (consp a)
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(and (not (memq (car a) '(bigpos bigneg)))
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(if (eq (car a) 'float)
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(eq (nth 1 a) 0)
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(math-zerop a)))
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(eq a 0)))
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(defsubst Math-integer-negp (a)
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(if (consp a)
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(eq (car a) 'bigneg)
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(< a 0)))
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(defsubst Math-integer-posp (a)
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(if (consp a)
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(eq (car a) 'bigpos)
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(> a 0)))
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(defsubst Math-negp (a)
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(if (consp a)
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(or (eq (car a) 'bigneg)
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(and (not (eq (car a) 'bigpos))
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(if (memq (car a) '(frac float))
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(Math-integer-negp (nth 1 a))
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(math-negp a))))
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(< a 0)))
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(defsubst Math-looks-negp (a) ; [P x] [Public]
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(or (Math-negp a)
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(and (consp a) (or (eq (car a) 'neg)
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(and (memq (car a) '(* /))
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(or (math-looks-negp (nth 1 a))
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(math-looks-negp (nth 2 a))))))))
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(defsubst Math-posp (a)
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(if (consp a)
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(or (eq (car a) 'bigpos)
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(and (not (eq (car a) 'bigneg))
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(if (memq (car a) '(frac float))
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(Math-integer-posp (nth 1 a))
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(math-posp a))))
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(> a 0)))
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(defsubst Math-integerp (a)
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(or (not (consp a))
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(memq (car a) '(bigpos bigneg))))
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(defsubst Math-natnump (a)
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(if (consp a)
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(eq (car a) 'bigpos)
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(>= a 0)))
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(defsubst Math-ratp (a)
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(or (not (consp a))
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(memq (car a) '(bigpos bigneg frac))))
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(defsubst Math-realp (a)
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(or (not (consp a))
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(memq (car a) '(bigpos bigneg frac float))))
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(defsubst Math-anglep (a)
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(or (not (consp a))
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(memq (car a) '(bigpos bigneg frac float hms))))
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(defsubst Math-numberp (a)
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(or (not (consp a))
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(memq (car a) '(bigpos bigneg frac float cplx polar))))
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(defsubst Math-scalarp (a)
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(or (not (consp a))
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(memq (car a) '(bigpos bigneg frac float cplx polar hms))))
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(defsubst Math-vectorp (a)
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(and (consp a) (eq (car a) 'vec)))
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(defsubst Math-messy-integerp (a)
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(and (consp a)
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(eq (car a) 'float)
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(>= (nth 2 a) 0)))
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(defsubst Math-objectp (a) ; [Public]
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(or (not (consp a))
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(memq (car a)
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'(bigpos bigneg frac float cplx polar hms date sdev intv mod))))
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(defsubst Math-objvecp (a) ; [Public]
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(or (not (consp a))
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(memq (car a)
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'(bigpos bigneg frac float cplx polar hms date
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sdev intv mod vec))))
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;;; Compute the negative of A. [O O; o o] [Public]
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(defsubst Math-integer-neg (a)
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(if (consp a)
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(if (eq (car a) 'bigpos)
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(cons 'bigneg (cdr a))
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(cons 'bigpos (cdr a)))
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(- a)))
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(defsubst Math-equal (a b)
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(= (math-compare a b) 0))
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(defsubst Math-lessp (a b)
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(= (math-compare a b) -1))
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(defsubst Math-primp (a)
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(or (not (consp a))
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(memq (car a) '(bigpos bigneg frac float cplx polar
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hms date mod var))))
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(defsubst Math-num-integerp (a)
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(or (not (consp a))
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(memq (car a) '(bigpos bigneg))
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(and (eq (car a) 'float)
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(>= (nth 2 a) 0))))
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(defsubst Math-bignum-test (a) ; [B N; B s; b b]
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(if (consp a)
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a
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(math-bignum a)))
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(defsubst Math-equal-int (a b)
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(or (eq a b)
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(and (consp a)
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(eq (car a) 'float)
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(eq (nth 1 a) b)
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(= (nth 2 a) 0))))
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(defsubst Math-natnum-lessp (a b)
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(if (consp a)
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(and (consp b)
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(= (math-compare-bignum (cdr a) (cdr b)) -1))
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(or (consp b)
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(< a b))))
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(provide 'calc-macs)
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;;; arch-tag: 08ba8ec2-fcff-4b80-a079-ec661bdb057e
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;;; calc-macs.el ends here
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