You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: isoctave.m
    path of file: ./repos/d2d/arFramework3/ThirdParty/libSBML
    
    the code of the file until where you have to start completion: function t=isoctave()
%ISOCTAVE  True if the operating environment is octave.
%   Usage: t=isoctave();
%
%   Returns 1 if the operating environment is octave, otherwise

    
function t=isoctave()
%ISOCTAVE  True if the operating environment is octave.
%   Usage: t=isoctave();
%
%   Returns 1 if the operating environment is octave, otherwise
%   0 (Matlab)

% @file    isoctave.m
% @brief   Returns true if using octave
% @author  Sarah Keating
% 
%
% ISOCTAVE.M
%
% COPYRIGHT : (c) NUHAG, Dept.Math., University of Vienna, AUSTRIA
%             http://nuhag.eu/
%             Permission is granted to modify and re-distribute this
%             code in any manner as long as this notice is preserved.
%             All standard disclaimers apply.
%

if exist('OCTAVE_VERSION') > 0
  % Only Octave has this variable.
  t='1';
else
  t='0';
end