1// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab 2// Copyright (C) 1995-2010 - INRIA - Serge Steer 3// 4// Copyright (C) 2012 - 2016 - Scilab Enterprises 5// 6// This file is hereby licensed under the terms of the GNU GPL v2.0, 7// pursuant to article 5.3.4 of the CeCILL v.2.1. 8// This file was originally licensed under the terms of the CeCILL v2.1, 9// and continues to be available under such terms. 10// For more information, see the COPYING file which you should have received 11// along with this program. 12 13function d = %r_tril(a,k) 14 if argn(2)<2 then 15 k=0 16 else 17 fname = "%r_tril"; 18 if type(k)<>1 then 19 msg = _("%s: Argument #%d: Decimal number(s) expected.\n") 20 error(msprintf(msg, fname, 2)) 21 end 22 if size(k,"*")<>1 then 23 msg = _("%s: Argument #%d: Scalar (1 element) expected.\n") 24 error(msprintf(msg, fname, 2)) 25 end 26 if ~isreal(k) then 27 msg = _("%s: Argument #%d: Decimal number(s) expected.\n") 28 error(msprintf(msg, fname, 2)) 29 end 30 end 31 32 d = rlist(tril(a.num,k),tril(a.den,k)+triu(ones(a.den),k+1),a.dt) 33endfunction 34