mirror of https://github.com/CGAL/cgal
60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
// Copyright (c) 2006-2008 Max-Planck-Institute Saarbruecken (Germany).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 3 of the License,
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// or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: LGPL-3.0+
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//
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//
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// Author(s) : Michael Hemmer <hemmer@mpi-inf.mpg.de>
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//
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// =============================================================================
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// within this file FT ^= Fraction_traits<T>
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#include <CGAL/basic.h>
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#include <cassert>
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#include <CGAL/to_rational.h>
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#ifndef CGAL_TEST_RATIONAL_TRAITS_H
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#define CGAL_TEST_RATIONAL_TRAITS_H
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namespace CGAL {
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template <class Rational>
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void test_rational_traits(){
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Rational x = Rational(7)/Rational(2);
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typedef Rational_traits<Rational> Rational_traits;
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typedef typename Rational_traits::RT RT;
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CGAL_static_assertion((::boost::is_same<RT,RT>::value));
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assert( Rational_traits().numerator(x) == RT(7));
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assert( Rational_traits().denominator(x) == RT(2));
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assert( Rational_traits().make_rational(RT(7),RT(2)) == x);
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assert( Rational_traits().make_rational(x,x) == Rational(1));
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assert( Rational_traits().make_rational(x) == x);
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assert( Rational_traits().make_rational(std::make_pair(x,x)) == Rational(1));
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assert( Rational_traits().make_rational(std::make_pair(7,RT(2))) == x);
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// gloabal function to_rational
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x = CGAL::to_rational<Rational>(3.5);
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assert( x == Rational(7)/Rational(2));
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}
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} //namespace CGAL
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#endif // CGAL_TEST_RATIONAL_TRAITS_H
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