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| author | Karoly Lorentey <lorentey@elte.hu> | 2005-11-01 06:23:08 +0000 |
|---|---|---|
| committer | Karoly Lorentey <lorentey@elte.hu> | 2005-11-01 06:23:08 +0000 |
| commit | cd0cf71c4f41023a8d9c20b3a26e44b980992b5a (patch) | |
| tree | b763cfec551254e2228335be4e218ed7a9a19109 /lisp/calc/calc-arith.el | |
| parent | c40bb1ba81a5df164f0b9b61e3480c55808717b7 (diff) | |
| parent | 895725e10c0fb68ed21abb48183cc8843bcaadf3 (diff) | |
| download | emacs-cd0cf71c4f41023a8d9c20b3a26e44b980992b5a.tar.gz emacs-cd0cf71c4f41023a8d9c20b3a26e44b980992b5a.tar.bz2 emacs-cd0cf71c4f41023a8d9c20b3a26e44b980992b5a.zip | |
Merged from miles@gnu.org--gnu-2005 (patch 142-148, 615-628)
Patches applied:
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-615
Merge from gnus--rel--5.10
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-616
Add lisp/mh-e/.arch-inventory
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-617
Update from CVS
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-618
Update from CVS
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-619
Update from CVS
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-620
Update from CVS
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-621
Merge from gnus--rel--5.10
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-622
Update from CVS
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-623
Update from CVS
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-624
Update from CVS: lisp/smerge-mode.el: Add 'tools' to file keywords.
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-625
Update from CVS
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-626
Update from CVS
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-627
Update from CVS
* miles@gnu.org--gnu-2005/emacs--cvs-trunk--0--patch-628
Update from CVS
* miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-142
Update from CVS
* miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-143
Update from CVS
* miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-144
Update from CVS
* miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-145
Update from CVS
* miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-146
Update from CVS
* miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-147
Update from CVS
* miles@gnu.org--gnu-2005/gnus--rel--5.10--patch-148
Update from CVS
git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-435
Diffstat (limited to 'lisp/calc/calc-arith.el')
| -rw-r--r-- | lisp/calc/calc-arith.el | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/lisp/calc/calc-arith.el b/lisp/calc/calc-arith.el index feb3c9d25a8..f8057c5f1b9 100644 --- a/lisp/calc/calc-arith.el +++ b/lisp/calc/calc-arith.el @@ -1386,6 +1386,7 @@ (and (eq (car-safe b) '^) (Math-looks-negp (nth 2 b)) (not (and (eq (car-safe a) '^) (Math-looks-negp (nth 2 a)))) + (not (math-known-matrixp (nth 1 b))) (math-div a (math-normalize (list '^ (nth 1 b) (math-neg (nth 2 b)))))) (and (eq (car-safe a) '/) @@ -1427,6 +1428,30 @@ (list 'calcFunc-idn (math-mul a (nth 1 b)))) (and (math-known-matrixp a) (math-mul a (nth 1 b))))) + (and (math-identity-matrix-p a t) + (or (and (eq (car-safe b) 'calcFunc-idn) + (= (length b) 2) + (list 'calcFunc-idn (math-mul + (nth 1 (nth 1 a)) + (nth 1 b)) + (1- (length a)))) + (and (math-known-scalarp b) + (list 'calcFunc-idn (math-mul + (nth 1 (nth 1 a)) b) + (1- (length a)))) + (and (math-known-matrixp b) + (math-mul (nth 1 (nth 1 a)) b)))) + (and (math-identity-matrix-p b t) + (or (and (eq (car-safe a) 'calcFunc-idn) + (= (length a) 2) + (list 'calcFunc-idn (math-mul (nth 1 a) + (nth 1 (nth 1 b))) + (1- (length b)))) + (and (math-known-scalarp a) + (list 'calcFunc-idn (math-mul a (nth 1 (nth 1 b))) + (1- (length b)))) + (and (math-known-matrixp a) + (math-mul a (nth 1 (nth 1 b)))))) (and (math-looks-negp b) (math-mul (math-neg a) (math-neg b))) (and (eq (car-safe b) '-) @@ -1706,7 +1731,9 @@ (math-div-new-non-trig term)))) (defun math-div-symb-fancy (a b) - (or (and math-simplify-only + (or (and (math-known-matrixp b) + (math-mul a (math-pow b -1))) + (and math-simplify-only (not (equal a math-simplify-only)) (list '/ a b)) (and (Math-equal-int b 1) a) |