63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
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// Boost.Geometry
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// Copyright (c) 2018, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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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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#ifndef BOOST_GEOMETRY_PROJECTIONS_CONSTANTS_HPP
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#define BOOST_GEOMETRY_PROJECTIONS_CONSTANTS_HPP
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#include <boost/geometry/util/math.hpp>
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#include <boost/math/constants/constants.hpp>
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namespace boost { namespace geometry { namespace projections
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail
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{
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template <typename T>
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inline T fourth_pi() { return T(0.78539816339744830961566084581988); }
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template <typename T>
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inline T third_pi() { return boost::math::constants::third_pi<T>(); }
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template <typename T>
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inline T half_pi() { return boost::math::constants::half_pi<T>(); }
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template <typename T>
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inline T pi() { return boost::math::constants::pi<T>(); }
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template <typename T>
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inline T one_and_half_pi() { return T(4.7123889803846898576939650749193); }
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template <typename T>
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inline T two_pi() { return boost::math::constants::two_pi<T>(); }
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template <typename T>
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inline T two_and_half_pi() { return T(7.8539816339744830961566084581988); }
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template <typename T>
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inline T two_div_pi() { return boost::math::constants::two_div_pi<T>(); }
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template <typename T>
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inline T half_pi_sqr() { return T(2.4674011002723396547086227499689); }
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template <typename T>
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inline T pi_sqr() { return boost::math::constants::pi_sqr<T>(); }
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template <typename T>
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inline T sixth() { return boost::math::constants::sixth<T>(); }
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template <typename T>
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inline T third() { return boost::math::constants::third<T>(); }
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template <typename T>
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inline T two_thirds() { return boost::math::constants::two_thirds<T>(); }
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} // namespace detail
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#endif // DOXYGEN_NO_DETAIL
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}}} // namespace boost::geometry::projections
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#endif // BOOST_GEOMETRY_PROJECTIONS_IMPL_PROJECTS_HPP
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