Add a useful package (from Source forge) for octave

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

diff --git a/octave_packages/dataframe-0.9.1/@dataframe/private/df_allmeta.m b/octave_packages/dataframe-0.9.1/@dataframe/private/df_allmeta.m
new file mode 100644 (file)
index 0000000..72999e7
--- /dev/null
+++ b/octave_packages/dataframe-0.9.1/@dataframe/private/df_allmeta.m
@@ -0,0 +1,62 @@
+function resu = df_allmeta(df, dim = [])
+
+  %# function resu = df_allmeta(df)
+  %# Returns a new dataframe, initalised with the all the
+  %# meta-information but with empty data
+
+  %% 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: df_allmeta.m 9585 2012-02-05 15:32:46Z cdemills $
+  %#
+
+  resu = dataframe([]);
+
+  if (isempty(dim)), 
+    dim = df._cnt(1:2); 
+  else
+    dim = dim(1:2); %# ignore third dim, if any
+  endif
+
+  resu._cnt(1:2) = min(dim, df._cnt(1:2));
+  if (!isempty(df._name{1})),
+    resu._name{1} = df._name{1}(1:resu._cnt(1));
+    resu._over{1} = df._over{1}(1:resu._cnt(1));
+  endif
+  if (!isempty(df._name{2})),
+    resu._name{2} = df._name{2}(1:resu._cnt(2));
+    resu._over{2} = df._over{2}(1:resu._cnt(2));
+  endif
+  if (!isempty(df._ridx)),
+    if (size(df._ridx, 2) >= resu._cnt(2)),
+      resu._ridx = df._ridx(1:resu._cnt(1), :, :);
+    else
+      resu._ridx = df._ridx(1:resu._cnt(1), 1, :);
+    endif
+  endif
+  %# init it with the right orientation
+  resu._data = cell(size(df._data));
+  resu._rep = cell(size(df._rep));
+  resu._type = df._type(1:resu._cnt(2));
+  resu._src  = df._src;
+  resu._cmt  = df._cmt;
+  
+endfunction