Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / dataframe-0.9.1 / @dataframe / size.m

diff --git a/octave_packages/dataframe-0.9.1/@dataframe/size.m b/octave_packages/dataframe-0.9.1/@dataframe/size.m
new file mode 100644 (file)
index 0000000..2a0fdbe
--- /dev/null
+++ b/octave_packages/dataframe-0.9.1/@dataframe/size.m
@@ -0,0 +1,88 @@
+function varargout = size(df, varargin)
+  %# function resu = size(df, varargin)
+  %# This is size operator for a dataframe object.
+
+  %% Copyright (C) 2009-2012 Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
+  %%
+  %% This file is part of Octave.
+  %%
+  %% Octave 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 2, or (at your option) any later version.
+  %%
+  %% Octave 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 Octave; see the file COPYING.  If not,
+  %% write to the Free Software Foundation, 51 Franklin Street -
+  %% Fifth Floor, Boston, MA 02110-1301, USA.
+  
+  %#
+  %# $Id: size.m 9585 2012-02-05 15:32:46Z cdemills $
+  %#
+
+  switch nargin
+    case 1
+      switch nargout
+       case {0, 1}
+         varargout{1} = df._cnt;
+       case {2}
+         varargout{1} = df._cnt(1);
+         if (1 == df._cnt(2) && length(df._cnt) > 2),
+           varargout{2} = df._cnt(3);
+         else
+           varargout{2} = df._cnt(2);
+         endif
+       case {3}
+         varargout{1:2} = df._cnt(1:2);
+         if 2==length(df._cnt),
+           varargout{3} = 1;
+         else
+           varargout{3} = df._cnt(3);
+         endif
+       otherwise
+         error(print_usage());
+      endswitch
+    case 2
+      switch nargout
+       case {0 1}
+         varargout{1} = df._cnt;
+         try
+           varargout{1} = varargout{1}(varargin{1});
+         catch
+           error(print_usage());
+         end_try_catch
+       otherwise
+         error(print_usage());
+      endswitch
+    case 3
+      switch nargout
+       case {0 1}
+         if (length(df._cnt) < 3),
+           varargout{1} = 1;
+         else
+           varargout{1} = df._cnt;
+         endif
+         try
+           varargout{1} = varargout{1}(varargin{1});
+         catch
+           error(print_usage());
+         end_try_catch
+       otherwise
+         error(print_usage());
+      endswitch
+    otherwise
+      error(print_usage());
+  endswitch
+
+endfunction
+
+function usage = print_usage()
+  usage = strcat('Invalid call to size.  Correct usage is: ', ' ', ...
+                 '-- Overloaded Function:  size (A, N)');
+endfunction