2021-10-05 21:37:46 +02:00

49 lines
1.5 KiB
C++

// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2012-2019 Barend Gehrels, 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 "test_buffer.hpp"
static std::string const simplex = "POINT(5 5)";
template <bool Clockwise, typename P>
void test_all()
{
typedef bg::model::polygon<P, Clockwise> polygon;
bg::strategy::buffer::join_miter join_miter;
bg::strategy::buffer::end_flat end_flat;
// The expectation is smaller than pi, because it doesn't use an unlimited number of points.
double const pi = boost::geometry::math::pi<double>();
double const expectation = pi * 0.99915;
test_one<P, polygon>("simplex1", simplex, join_miter, end_flat, expectation, 1.0);
test_one<P, polygon>("simplex2", simplex, join_miter, end_flat, expectation * 4.0, 2.0);
test_one<P, polygon>("simplex3", simplex, join_miter, end_flat, expectation * 9.0, 3.0);
}
int test_main(int, char* [])
{
BoostGeometryWriteTestConfiguration();
test_all<true, bg::model::point<default_test_type, 2, bg::cs::cartesian> >();
#if ! defined(BOOST_GEOMETRY_TEST_ONLY_ONE_ORDER)
test_all<false, bg::model::point<default_test_type, 2, bg::cs::cartesian> >();
#endif
#if defined(BOOST_GEOMETRY_TEST_FAILURES)
BoostGeometryWriteExpectedFailures(BG_NO_FAILURES);
#endif
return 0;
}