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- // Copyright Nick Thompson, 2019
- // Use, modification and distribution are subject to the
- // Boost Software License, Version 1.0.
- // (See accompanying file LICENSE_1_0.txt
- // or copy at http://www.boost.org/LICENSE_1_0.txt)
- #ifndef BOOST_MATH_INTERPOLATORS_WHITAKKER_SHANNON_HPP
- #define BOOST_MATH_INTERPOLATORS_WHITAKKER_SHANNON_HPP
- #include <memory>
- #include <boost/math/interpolators/detail/whittaker_shannon_detail.hpp>
- namespace boost { namespace math { namespace interpolators {
- template<class RandomAccessContainer>
- class whittaker_shannon {
- public:
- using Real = typename RandomAccessContainer::value_type;
- whittaker_shannon(RandomAccessContainer&& y, Real const & t0, Real const & h)
- : m_impl(std::make_shared<detail::whittaker_shannon_detail<RandomAccessContainer>>(std::move(y), t0, h))
- {}
- inline Real operator()(Real t) const
- {
- return m_impl->operator()(t);
- }
- inline Real prime(Real t) const
- {
- return m_impl->prime(t);
- }
- inline Real operator[](size_t i) const
- {
- return m_impl->operator[](i);
- }
- RandomAccessContainer&& return_data()
- {
- return m_impl->return_data();
- }
- private:
- std::shared_ptr<detail::whittaker_shannon_detail<RandomAccessContainer>> m_impl;
- };
- }}}
- #endif
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