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63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library) test file
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//
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// Copyright Barend Gehrels 2007-2009, Geodan, Amsterdam, the Netherlands
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// Copyright Bruno Lalande 2008, 2009
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <cstddef>
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#include <string>
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#include <algorithms/test_convex_hull.hpp>
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#include <boost/geometry/geometries/geometries.hpp>
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template <typename P>
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void test_all(bool do_rectangular = true)
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{
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// from sample linestring
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test_geometry<boost::geometry::linestring<P> >(
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"linestring(1.1 1.1, 2.5 2.1, 3.1 3.1, 4.9 1.1, 3.1 1.9)", 5, 4, 3.8);
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if (do_rectangular)
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{
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// rectangular, with concavity
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test_geometry<boost::geometry::polygon<P> >(
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"polygon((1 1, 1 4, 3 4, 3 3, 4 3, 4 4, 5 4, 5 1, 1 1))",
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9, 5, 12.0);
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}
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// from sample polygon, with concavity
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test_geometry<boost::geometry::polygon<P> >(
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"polygon((2.0 1.3, 2.4 1.7, 2.8 1.8, 3.4 1.2, 3.7 1.6,3.4 2.0, 4.1 3.0"
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", 5.3 2.6, 5.4 1.2, 4.9 0.8, 2.9 0.7,2.0 1.3))",
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12, 8, 5.245);
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}
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int test_main(int, char* [])
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{
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//test_all<boost::geometry::point_xy<int> >();
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//test_all<boost::geometry::point_xy<float> >();
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test_all<boost::geometry::point_xy<double> >();
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#if defined(HAVE_CLN)
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test_all<boost::geometry::point_xy<boost::numeric_adaptor::cln_value_type> >();
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#endif
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#if defined(HAVE_GMP)
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// GMP compiles, but gives 'errors' in results (6 points in hull instead of 5)
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// This is because of a vertex on the line, which is OK for the convex hull,
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// but not OK for the strictly convex hull.
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// Actually this is unexpected from a high-precision arithmetic library, the
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// problem is the comparison (something is non-zero which should be calculated
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// zero, in the direction).
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test_all<boost::geometry::point_xy<boost::numeric_adaptor::gmp_value_type> >(false);
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#endif
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return 0;
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}
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