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[Emacs-diffs] Changes to emacs/lisp/calc/calc-mtx.el [lexbind]
From: |
Miles Bader |
Subject: |
[Emacs-diffs] Changes to emacs/lisp/calc/calc-mtx.el [lexbind] |
Date: |
Wed, 08 Dec 2004 19:37:33 -0500 |
Index: emacs/lisp/calc/calc-mtx.el
diff -c emacs/lisp/calc/calc-mtx.el:1.4.4.2 emacs/lisp/calc/calc-mtx.el:1.4.4.3
*** emacs/lisp/calc/calc-mtx.el:1.4.4.2 Tue Oct 14 23:35:48 2003
--- emacs/lisp/calc/calc-mtx.el Wed Dec 8 23:36:21 2004
***************
*** 3,10 ****
;; Copyright (C) 1990, 1991, 1992, 1993, 2001 Free Software Foundation, Inc.
;; Author: David Gillespie <address@hidden>
! ;; Maintainers: D. Goel <address@hidden>
! ;; Colin Walters <address@hidden>
;; This file is part of GNU Emacs.
--- 3,9 ----
;; Copyright (C) 1990, 1991, 1992, 1993, 2001 Free Software Foundation, Inc.
;; Author: David Gillespie <address@hidden>
! ;; Maintainer: Jay Belanger <address@hidden>
;; This file is part of GNU Emacs.
***************
*** 27,41 ****
;;; Code:
-
;; This file is autoloaded from calc-ext.el.
- (require 'calc-ext)
(require 'calc-macs)
- (defun calc-Need-calc-mat () nil)
-
-
(defun calc-mdet (arg)
(interactive "P")
(calc-slow-wrapper
--- 26,36 ----
;;; Code:
;; This file is autoloaded from calc-ext.el.
+ (require 'calc-ext)
(require 'calc-macs)
(defun calc-mdet (arg)
(interactive "P")
(calc-slow-wrapper
***************
*** 176,181 ****
--- 171,180 ----
(nth 1 m)
(math-reject-arg m 'square-matrixp))))
+ ;; The variable math-det-lu is local to math-det-raw, but is
+ ;; used by math-det-step, which is called by math-det-raw.
+ (defvar math-det-lu)
+
(defun math-det-raw (m)
(let ((n (1- (length m))))
(cond ((= n 1)
***************
*** 211,223 ****
(nth 3 (nth 3 m))))))
(t (let ((lud (math-matrix-lud m)))
(if lud
! (let ((lu (car lud)))
(math-det-step n (nth 2 lud)))
0))))))
(defun math-det-step (n prod)
(if (> n 0)
! (math-det-step (1- n) (math-mul prod (nth n (nth n lu))))
prod))
;;; This returns a list (LU index d), or nil if not possible.
--- 210,222 ----
(nth 3 (nth 3 m))))))
(t (let ((lud (math-matrix-lud m)))
(if lud
! (let ((math-det-lu (car lud)))
(math-det-step n (nth 2 lud)))
0))))))
(defun math-det-step (n prod)
(if (> n 0)
! (math-det-step (1- n) (math-mul prod (nth n (nth n math-det-lu))))
prod))
;;; This returns a list (LU index d), or nil if not possible.
***************
*** 365,369 ****
--- 364,370 ----
(math-reject-arg m "*Singular matrix"))
(math-reject-arg m 'square-matrixp)))
+ (provide 'calc-mtx)
+
;;; arch-tag: fc0947b1-90e1-4a23-8950-d8ead9c3a306
;;; calc-mtx.el ends here
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- [Emacs-diffs] Changes to emacs/lisp/calc/calc-mtx.el [lexbind],
Miles Bader <=