X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Flinear-algebra-2.2.0%2F%40kronprod%2Fsize.m;fp=octave_packages%2Flinear-algebra-2.2.0%2F%40kronprod%2Fsize.m;h=6208d01815e6119024201fcaac4ee2ecfb25cef7;hp=0000000000000000000000000000000000000000;hb=f5f7a74bd8a4900f0b797da6783be80e11a68d86;hpb=1705066eceaaea976f010f669ce8e972f3734b05

diff --git a/octave_packages/linear-algebra-2.2.0/@kronprod/size.m b/octave_packages/linear-algebra-2.2.0/@kronprod/size.m
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+++ b/octave_packages/linear-algebra-2.2.0/@kronprod/size.m
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+## Copyright (C) 2010  Soren Hauberg
+## 
+## 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, 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 file.  If not, see <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} size (@var{KP})
+## @deftypefnx{Function File} size (@var{KP}, @var{dim})
+## Return the size of the Kronecker product @var{KP} as a vector.
+## @seealso{size, @@kronprod/rows, @@kronprod/columns, @@kronprod/numel}
+## @end deftypefn
+
+function retval = size (KP, dim)
+  if (nargin < 1)
+    print_usage ();
+  endif
+  
+  if (!isa (KP, "kronprod"))
+    error ("size: input must be of class 'kronprod'");
+  endif
+  if (nargin > 1 && !(isscalar (dim) && dim == round (dim) && dim > 0))
+    error ("size: optional second input must be a positive integer");
+  endif
+  
+  retval = size (KP.A) .* size (KP.B);
+  if (nargin > 1)
+    retval = retval (dim);
+  endif
+endfunction