34 lines
874 B
C++
34 lines
874 B
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2012-2014 Barend Gehrels, Amsterdam, the Netherlands.
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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_ALGORITHMS_DETAIL_BUFFER_PARALLEL_CONTINUE_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_BUFFER_PARALLEL_CONTINUE_HPP
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail { namespace buffer
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{
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template <typename T>
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inline bool parallel_continue(T dx1, T dy1, T dx2, T dy2)
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{
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T const dot = dx1 * dx2 + dy1 * dy2;
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return dot > 0;
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}
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}} // namespace detail::buffer
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#endif // DOXYGEN_NO_DETAIL
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_BUFFER_PARALLEL_CONTINUE_HPP
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