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1 | |
2 | // Copyright (c) 2011 John Maddock | |
3 | // Use, modification and distribution are subject to the | |
4 | // Boost Software License, Version 1.0. (See accompanying file | |
5 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
6 | ||
7 | #ifndef BOOST_MP_BIG_LANCZOS | |
8 | #define BOOST_MP_BIG_LANCZOS | |
9 | ||
10 | #include <boost/math/bindings/detail/big_lanczos.hpp> | |
11 | ||
12 | namespace boost{ namespace math{ | |
13 | ||
14 | namespace lanczos{ | |
15 | ||
16 | template <class T, class Policy> | |
17 | struct lanczos; | |
18 | ||
19 | template<class Backend, boost::multiprecision::expression_template_option ExpressionTemplates, class Policy> | |
20 | struct lanczos<multiprecision::number<Backend, ExpressionTemplates>, Policy> | |
21 | { | |
22 | typedef typename boost::math::policies::precision<multiprecision::number<Backend, ExpressionTemplates>, Policy>::type precision_type; | |
23 | typedef typename mpl::if_c< | |
24 | precision_type::value && (precision_type::value <= 73), | |
25 | lanczos13UDT, | |
26 | typename mpl::if_c< | |
27 | precision_type::value&& (precision_type::value <= 122), | |
28 | lanczos22UDT, | |
29 | undefined_lanczos | |
30 | >::type | |
31 | >::type type; | |
32 | }; | |
33 | ||
34 | } // namespace lanczos | |
35 | ||
36 | }} // namespaces | |
37 | ||
38 | #endif | |
39 |