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plus.m    55 lines (46 with data), 1.5 kB

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function resu = minus(A, B);
%# function resu = minus(A, B)
%# Implements the '-' operator when at least one one argument is a dataframe.
%% 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: plus.m 852 2010-07-22 10:47:55Z dupuis $
%#
[A, B] = df_basecomp(A, B);
if isscalar(A)
%# B is a dataframe
resu = B;
for indi = 1:B._cnt(2),
resu._data{indi} = A+B._data{indi};
endfor
return
endif
if isscalar(B),
resu = A;
for indi = 1:A._cnt(2),
resu._data{indi} = A._data{indi}+B;
endfor
return
endif
resu = A;
for indi = 1:A._cnt(2),
resu._data{indi} = A._data{indi} + B._data{indi};
endfor
endfunction