Diff of /inst/@dataframe/private/df_basecomp.m [000000] .. [37798a] Maximize Restore

  Switch to side-by-side view

--- a
+++ b/inst/@dataframe/private/df_basecomp.m
@@ -0,0 +1,62 @@
+function [A, B] = df_basecomp(A, B);
+
+  %# function [A, B] = df_basecomp(A, B)
+  %# Basic size verifcation for binary operations on dataframe. Returns
+  %# a scalar, a matrix, or a dataframe. Cell arrays are converted to df.
+
+  %% Copyright (C) 2009-2010 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, 59 Temple Place -
+  %% Suite 330, Boston, MA 02111-1307, USA.
+  
+  %#
+  %# $Id: df_basecomp.m 852 2010-07-22 10:47:55Z dupuis $
+  %#
+
+  if isscalar(A)  || isscalar(B)
+    return
+  endif
+
+  if iscell(A), 
+    A = dataframe(A); 
+  elseif iscell(B), 
+    B =  dataframe(B);
+  endif
+  
+  if any(size(A) - size(B)),
+    error("Non compatible sizes");
+  endif
+  if !isa(A, 'dataframe') || !isa(B, 'dataframe'),
+    return; %# don't go further with names/indexes comparisons
+  endif
+
+  if any(A._ridx-B._ridx),
+    error("Non compatible indexes");
+  endif
+  if !isempty(A._name{1}) && !isempty(B._name{1})
+    if !any(strcmp(cellstr(A._name{1}), cellstr(B._name{1}))),
+      error("Incompatible row names");
+    endif
+  endif
+  if !isempty(A._name{2}) && !isempty(B._name{2})
+    if !any(strcmp(cellstr(A._name{2}), cellstr(B._name{2}))),
+      error("Incompatible column names");
+    endif
+  endif
+
+endfunction