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// Copyright (c) 2011 John Maddock
// 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_MP_BIG_LANCZOS
#define BOOST_MP_BIG_LANCZOS
#include <boost/math/bindings/detail/big_lanczos.hpp>
namespace boost {
namespace math {
namespace lanczos {
template <class T, class Policy>
struct lanczos;
template <class Backend, boost::multiprecision::expression_template_option ExpressionTemplates, class Policy>
struct lanczos<multiprecision::number<Backend, ExpressionTemplates>, Policy>
{
typedef typename boost::math::policies::precision<multiprecision::number<Backend, ExpressionTemplates>, Policy>::type precision_type;
typedef typename mpl::if_c<
precision_type::value && (precision_type::value <= 73),
lanczos13UDT,
typename mpl::if_c<
precision_type::value && (precision_type::value <= 122),
lanczos22UDT,
undefined_lanczos>::type>::type type;
};
}
}} // namespace boost::math::lanczos
#endif