Added thirdparty: boost library

thirdparty/include/boost/math/interpolators/whittaker_shannon.hpp

@@ -0,0 +1,47 @@
+// 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