61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
// Copyright Nick Thompson, 2021
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_MATH_INTERPOLATORS_BEZIER_POLYNOMIAL_HPP
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#define BOOST_MATH_INTERPOLATORS_BEZIER_POLYNOMIAL_HPP
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#include <memory>
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#include <boost/math/interpolators/detail/bezier_polynomial_detail.hpp>
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#ifdef BOOST_MATH_NO_THREAD_LOCAL_WITH_NON_TRIVIAL_TYPES
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#warning "Thread local storage support is necessary for the Bezier polynomial class to work."
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#endif
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namespace boost::math::interpolators {
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template <class RandomAccessContainer>
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class bezier_polynomial
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{
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public:
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using Point = typename RandomAccessContainer::value_type;
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using Real = typename Point::value_type;
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using Z = typename RandomAccessContainer::size_type;
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bezier_polynomial(RandomAccessContainer && control_points)
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: m_imp(std::make_shared<detail::bezier_polynomial_imp<RandomAccessContainer>>(std::move(control_points)))
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{
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}
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inline Point operator()(Real t) const
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{
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return (*m_imp)(t);
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}
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inline Point prime(Real t) const
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{
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return m_imp->prime(t);
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}
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void edit_control_point(Point const & p, Z index)
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{
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m_imp->edit_control_point(p, index);
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}
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RandomAccessContainer const & control_points() const
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{
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return m_imp->control_points();
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}
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friend std::ostream& operator<<(std::ostream& out, bezier_polynomial<RandomAccessContainer> const & bp) {
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out << *bp.m_imp;
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return out;
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}
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private:
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std::shared_ptr<detail::bezier_polynomial_imp<RandomAccessContainer>> m_imp;
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};
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}
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#endif
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