[Octave-cvsupdate] SF.net SVN: octave:[7319] trunk/octave-forge/extra/quaternion_oo

[<par...@us...>]

Revision: 7319
          http://octave.svn.sourceforge.net/octave/?rev=7319&view=rev
Author:   paramaniac
Date:     2010-05-18 04:49:43 +0000 (Tue, 18 May 2010)

Log Message:
-----------
quaternion_oo: add some more operators

Modified Paths:
--------------
    trunk/octave-forge/extra/quaternion_oo/INDEX

Added Paths:
-----------
    trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/ldivide.m
    trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/mpower.m
    trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/power.m
    trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/rdivide.m

Modified: trunk/octave-forge/extra/quaternion_oo/INDEX
===================================================================
--- trunk/octave-forge/extra/quaternion_oo/INDEX	2010-05-17 18:17:46 UTC (rev 7318)
+++ trunk/octave-forge/extra/quaternion_oo/INDEX	2010-05-18 04:49:43 UTC (rev 7319)
@@ -11,8 +11,12 @@
   @quaternion/times
   @quaternion/mtimes
   @quaternion/inv
+  @quaternion/rdivide
+  @quaternion/ldivide
+  @quaternion/mrdivide
   @quaternion/mldivide
-  @quaternion/mrdivide
+  @quaternion/power
+  @quaternion/mpower
   @quaternion/transpose
   @quaternion/ctranspose
   @quaternion/horzcat

Added: trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/ldivide.m
===================================================================
--- trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/ldivide.m	                        (rev 0)
+++ trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/ldivide.m	2010-05-18 04:49:43 UTC (rev 7319)
@@ -0,0 +1,28 @@
+## Copyright (C) 2010   Lukas F. Reichlin
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## Element-wise left division for quaternions. Used by Octave for "q1 .\ q2"
+
+## Author: Lukas Reichlin <luk...@gm...>
+## Created: May 2010
+## Version: 0.1
+
+
+function q = ldivide (a, b)
+
+  q = a.^-1 .* b;
+
+endfunction
\ No newline at end of file

Added: trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/mpower.m
===================================================================
--- trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/mpower.m	                        (rev 0)
+++ trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/mpower.m	2010-05-18 04:49:43 UTC (rev 7319)
@@ -0,0 +1,9 @@
+function a = mpower (a, b)
+
+  if (b == -1 && isa (a, "quaternion") && isscalar (a.w))
+    a = inv (a);
+  else
+    error ("quaternion: mpower: case not implemeted");
+  endif
+
+endfunction
\ No newline at end of file

Added: trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/power.m
===================================================================
--- trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/power.m	                        (rev 0)
+++ trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/power.m	2010-05-18 04:49:43 UTC (rev 7319)
@@ -0,0 +1,9 @@
+function a = power (a, b)
+
+  if (b == -1 && isa (a, "quaternion") && isscalar (a.w))
+    a = inv (a);
+  else
+    error ("quaternion: power: case not implemeted");
+  endif
+
+endfunction
\ No newline at end of file

Added: trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/rdivide.m
===================================================================
--- trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/rdivide.m	                        (rev 0)
+++ trunk/octave-forge/extra/quaternion_oo/inst/@quaternion/rdivide.m	2010-05-18 04:49:43 UTC (rev 7319)
@@ -0,0 +1,28 @@
+## Copyright (C) 2010   Lukas F. Reichlin
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## Element-wise right division for quaternions. Used by Octave for "q1 ./ q2"
+
+## Author: Lukas Reichlin <luk...@gm...>
+## Created: May 2010
+## Version: 0.1
+
+
+function q = rdivide (a, b)
+
+  q = a .* b.^-1;
+
+endfunction
\ No newline at end of file


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