geometry/test/core/radian_access.cpp
2010-02-20 16:58:38 +00:00

105 lines
3.2 KiB
C++

// Boost.Geometry (aka GGL, Generic Geometry Library) test file
//
// Copyright Barend Gehrels 2007-2009, Geodan, Amsterdam, the Netherlands
// Copyright Bruno Lalande 2008, 2009
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <geometry_test_common.hpp>
#include <boost/geometry/core/radian_access.hpp>
#include <boost/geometry/core/cs.hpp>
#include <boost/geometry/core/coordinate_type.hpp>
#include <boost/geometry/geometries/point.hpp>
template <std::size_t D, typename P, typename T>
void test_get(T const& c, T const& e)
{
//std::cout << "get_as_radian " << typeid(P).name() << std::endl;
typedef typename boost::geometry::coordinate_type<P>::type coordinate_type;
P p;
boost::geometry::set<D>(p, coordinate_type(c));
coordinate_type g = boost::geometry::get_as_radian<D>(p);
BOOST_CHECK_CLOSE(double(g), double(e), 0.0001);
}
template <std::size_t D, typename P, typename T>
void test_set(T const& c, T const& e)
{
//std::cout << "set_from_radian " << typeid(P).name() << std::endl;
typedef typename boost::geometry::coordinate_type<P>::type coordinate_type;
P p;
boost::geometry::set_from_radian<D>(p, coordinate_type(c));
coordinate_type g = boost::geometry::get<D>(p);
BOOST_CHECK_CLOSE(double(g), double(e), 0.0001);
}
template <typename T>
void test()
{
double d2r = 3.1415926535897932384626433832795 / 180.0;
// Degree
test_get<0, boost::geometry::point<T, 2, boost::geometry::cs::spherical<boost::geometry::degree> > >
(1.0, 1.0 * d2r);
test_get<1, boost::geometry::point<T, 2, boost::geometry::cs::spherical<boost::geometry::degree> > >
(2.0, 2.0 * d2r);
test_set<0, boost::geometry::point<T, 2, boost::geometry::cs::spherical<boost::geometry::degree> > >
(1.0, 1.0 / d2r);
test_set<1, boost::geometry::point<T, 2, boost::geometry::cs::spherical<boost::geometry::degree> > >
(2.0, 2.0 / d2r);
// Radian
test_get<0, boost::geometry::point<T, 2, boost::geometry::cs::spherical<boost::geometry::radian> > >
(1.0, 1.0);
test_get<1, boost::geometry::point<T, 2, boost::geometry::cs::spherical<boost::geometry::radian> > >
(1.0, 1.0);
test_set<0, boost::geometry::point<T, 2, boost::geometry::cs::spherical<boost::geometry::radian> > >
(1.0, 1.0);
test_set<1, boost::geometry::point<T, 2, boost::geometry::cs::spherical<boost::geometry::radian> > >
(1.0, 1.0);
// Cartesian (== untouched, no conversion)
test_get<0, boost::geometry::point<T, 2, boost::geometry::cs::cartesian> >
(1.0, 1.0);
test_get<1, boost::geometry::point<T, 2, boost::geometry::cs::cartesian> >
(1.0, 1.0);
// Dimension >=2, should always be untouched, even for degree
// (assuming lat/lon + height)
test_set<2, boost::geometry::point<T, 3, boost::geometry::cs::spherical<boost::geometry::radian> > >
(1.0, 1.0);
test_set<2, boost::geometry::point<T, 3, boost::geometry::cs::spherical<boost::geometry::degree> > >
(1.0, 1.0);
}
int test_main(int, char* [])
{
//test<float>();
test<double>();
return 0;
}