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- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Unit Test
- // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
- // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
- // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
- // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
- // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
- // 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/util/select_most_precise.hpp>
- struct user_defined {};
- template <typename T1, typename T2, typename ExpectedType>
- void test()
- {
- typedef typename bg::select_most_precise<T1, T2>::type type;
- bool is_same = boost::is_same<type, ExpectedType>::type::value;
- BOOST_CHECK_MESSAGE(is_same,
- "The most precise of types " <<
- "T1: {" << typeid(T1).name() << " | s: " << sizeof(T1) << "}" <<
- " and " <<
- "T2: {" << typeid(T2).name() << " | s: " << sizeof(T2) << "}" <<
- " does not match " <<
- "ExpectedType: {" << typeid(ExpectedType).name() << " | s: " << sizeof(ExpectedType) << "}");
- }
- int test_main(int, char* [])
- {
- // fp only
- test<float, float, float>();
- test<float, double, double>();
- test<double, float, double>();
- test<double, double, double>();
- // integer only
- test<int, int, int>();
- test<int, short int, int>();
- test<short int, int, int>();
- test<short int, short int, short int>();
- // int/fp
- test<double, int, double>();
- test<int, double, double>();
- test<long double, long double, long double>();
- test<float, int, float>();
- test<int, float, float>();
- if ( sizeof(long double) > sizeof(double) )
- {
- // This cannot be done for MSVC because double/long double is the same
- // This is also true for Android
- test<double, long double, long double>();
- test<long double, double, long double>();
- }
- // with any other non-integer/float class
- test<int, user_defined, user_defined>();
- test<user_defined, int, user_defined>();
- test<long double, user_defined, user_defined>();
- test<user_defined, long double, user_defined>();
- test<user_defined, user_defined, user_defined>();
- // should not compile
- //test<void, void, void>();
- return 0;
- }
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