mirror of https://github.com/CGAL/cgal
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
// Copyright (c) 2006-2008 Max-Planck-Institute Saarbruecken (Germany).
|
|
// All rights reserved.
|
|
//
|
|
// This file is part of CGAL (www.cgal.org)
|
|
//
|
|
// $URL$
|
|
// $Id$
|
|
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
|
|
//
|
|
//
|
|
// Author(s) : Michael Hemmer <hemmer@mpi-inf.mpg.de>
|
|
//
|
|
// =============================================================================
|
|
|
|
|
|
// within this file FT ^= Fraction_traits<T>
|
|
|
|
#include <cassert>
|
|
#include <CGAL/to_rational.h>
|
|
|
|
#ifndef CGAL_TEST_RATIONAL_TRAITS_H
|
|
#define CGAL_TEST_RATIONAL_TRAITS_H
|
|
|
|
namespace CGAL {
|
|
|
|
template <class Rational>
|
|
void test_rational_traits(){
|
|
Rational x = Rational(7)/Rational(2);
|
|
|
|
typedef Rational_traits<Rational> Rational_traits;
|
|
typedef typename Rational_traits::RT RT;
|
|
static_assert(::std::is_same<RT,RT>::value);
|
|
|
|
assert( Rational_traits().numerator(x) == RT(7));
|
|
assert( Rational_traits().denominator(x) == RT(2));
|
|
assert( Rational_traits().make_rational(RT(7),RT(2)) == x);
|
|
assert( Rational_traits().make_rational(x,x) == Rational(1));
|
|
assert( Rational_traits().make_rational(x) == x);
|
|
assert( Rational_traits().make_rational(std::make_pair(x,x)) == Rational(1));
|
|
assert( Rational_traits().make_rational(std::make_pair(7,RT(2))) == x);
|
|
|
|
// global function to_rational
|
|
x = CGAL::to_rational<Rational>(3.5);
|
|
assert( x == Rational(7)/Rational(2));
|
|
}
|
|
|
|
} //namespace CGAL
|
|
|
|
#endif // CGAL_TEST_RATIONAL_TRAITS_H
|