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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
function a=%r_clean(a,epsa,epsr)
//Syntax: a=%r_ clean(a,epsa,epsr)
// Given a, matrix of rationals , this function
// eliminates all the coefficients of a with absolute value < epsa
// and realtive value < epsr (relative means realive wrt norm 1 of
// the coefficients)
// Default values : epsa=1.d-10; epsr=1.d-10;
//!
[lhs,rhs]=argn(0)
if rhs == 1 then
epsa=1.d-10;
epsr=1.d-10;
elseif rhs==2 then
epsr=1.d-10;
end
tdom=a("dt")
a=simp(clean(a("num"),epsa,epsr)./clean(a("den"),epsa,epsr));a("dt")=tdom
endfunction
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