X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fdataframe-0.9.1%2F%40dataframe%2Fismatrix.m;fp=octave_packages%2Fdataframe-0.9.1%2F%40dataframe%2Fismatrix.m;h=2a029c0895f4e153fc8ba792acd38566f4bc55a3;hp=0000000000000000000000000000000000000000;hb=f5f7a74bd8a4900f0b797da6783be80e11a68d86;hpb=1705066eceaaea976f010f669ce8e972f3734b05

diff --git a/octave_packages/dataframe-0.9.1/@dataframe/ismatrix.m b/octave_packages/dataframe-0.9.1/@dataframe/ismatrix.m
new file mode 100644
index 0000000..2a029c0
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+++ b/octave_packages/dataframe-0.9.1/@dataframe/ismatrix.m
@@ -0,0 +1,38 @@
+function resu = ismatrix(df)
+  %# function resu = ismatrix(df)
+  %# returns true if the dataframe can be converted to a matrix
+
+  %% 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: ismatrix.m 9585 2012-02-05 15:32:46Z cdemills $
+  %#
+
+  df_is_num  = isnumeric(df._data{1});
+  df_is_char = ischar(df._data{1});
+  for indi = df._cnt(2):-1:2,
+    df_is_num  = df_is_num & isnumeric(df._data{indi});
+    df_is_char = df_is_char & ischar(df._data{indi});
+  endfor
+  
+  resu = df_is_num | df_is_char;
+
+endfunction