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feat: make side strategy configurable

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This commit is contained in:
Barend Gehrels 2025-04-19 12:47:33 +02:00
parent 3e1e20b83c
commit 63104f0e27
4 changed files with 41 additions and 3 deletions
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14
include/boost/geometry/core/config.hpp
View File

@ -15,4 +15,18 @@
#include <boost/config.hpp>
#if defined(BOOST_GEOMETRY_DEFAULT_STRATEGY_SIDE_USE_SIDE_BY_TRIANGLE) \
&& defined(BOOST_GEOMETRY_DEFAULT_STRATEGY_SIDE_USE_SIDE_ROBUST)
#error "Both BOOST_GEOMETRY_DEFAULT_STRATEGY_SIDE_USE_SIDE_BY_TRIANGLE" \
" and BOOST_GEOMETRY_DEFAULT_STRATEGY_SIDE_USE_SIDE_ROBUST are defined." \
" Only one of them should be defined."
#endif
// Define default side strategy, if not defined by the user.
// Until Boost 1.88.0, the default strategy is side_by_triangle.
#if ! defined(BOOST_GEOMETRY_DEFAULT_STRATEGY_SIDE_USE_SIDE_BY_TRIANGLE) \
&& ! defined(BOOST_GEOMETRY_DEFAULT_STRATEGY_SIDE_USE_SIDE_ROBUST)
#define BOOST_GEOMETRY_DEFAULT_STRATEGY_SIDE_USE_SIDE_BY_TRIANGLE
#endif
#endif // BOOST_GEOMETRY_CORE_CONFIG_HPP

6
include/boost/geometry/strategy/cartesian/side_by_triangle.hpp
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@ -243,7 +243,7 @@ private:
};
#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
#if defined(BOOST_GEOMETRY_DEFAULT_STRATEGY_SIDE_USE_SIDE_BY_TRIANGLE)
namespace services
{
@ -253,9 +253,9 @@ struct default_strategy<cartesian_tag, CalculationType>
using type = side_by_triangle<CalculationType>;
};
}
} // namespace services
#endif
#endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
}} // namespace strategy::side

15
include/boost/geometry/strategy/cartesian/side_robust.hpp
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@ -178,6 +178,21 @@ public:
};
#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
#if defined(BOOST_GEOMETRY_DEFAULT_STRATEGY_SIDE_USE_SIDE_ROBUST)
namespace services
{
template <typename CalculationType>
struct default_strategy<cartesian_tag, CalculationType>
{
using type = side_robust<CalculationType>;
};
} // namespace services
#endif
#endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
}} // namespace strategy::side
}} // namespace boost::geometry

9
test/geometry_test_common.hpp
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@ -20,6 +20,7 @@
#define GEOMETRY_TEST_GEOMETRY_TEST_COMMON_HPP
#include <boost/config.hpp>
#include <boost/core/demangle.hpp>
// Determine debug/release mode
// (it would be convenient if Boost.Config or Boost.Test would define this)
@ -94,6 +95,7 @@
#include <boost/geometry/core/closure.hpp>
#include <boost/geometry/core/point_order.hpp>
#include <boost/geometry/core/tag.hpp>
#include <boost/geometry/strategies/strategies.hpp>
namespace bg = boost::geometry;
@ -210,6 +212,13 @@ inline void BoostGeometryWriteTestConfiguration()
std::cout << " - Including failing test cases" << std::endl;
#endif
std::cout << " - Default test type: " << string_from_type<default_test_type>::name() << std::endl;
using side_strategy = typename bg::strategy::side::services::default_strategy
<
bg::cartesian_tag
>::type;
std::cout << " - Side strategy: " << boost::core::demangle(typeid(side_strategy).name()) << std::endl;
std::cout << std::endl;
}