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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 | ||
92f5a8d4 TL |
12 | namespace boost { |
13 | namespace math { | |
7c673cae | 14 | |
92f5a8d4 | 15 | namespace lanczos { |
7c673cae FG |
16 | |
17 | template <class T, class Policy> | |
18 | struct lanczos; | |
19 | ||
92f5a8d4 | 20 | template <class Backend, boost::multiprecision::expression_template_option ExpressionTemplates, class Policy> |
7c673cae FG |
21 | struct lanczos<multiprecision::number<Backend, ExpressionTemplates>, Policy> |
22 | { | |
23 | typedef typename boost::math::policies::precision<multiprecision::number<Backend, ExpressionTemplates>, Policy>::type precision_type; | |
24 | typedef typename mpl::if_c< | |
92f5a8d4 TL |
25 | precision_type::value && (precision_type::value <= 73), |
26 | lanczos13UDT, | |
27 | typename mpl::if_c< | |
28 | precision_type::value && (precision_type::value <= 122), | |
29 | lanczos22UDT, | |
30 | undefined_lanczos>::type>::type type; | |
7c673cae FG |
31 | }; |
32 | ||
92f5a8d4 | 33 | } |
7c673cae | 34 | |
92f5a8d4 | 35 | }} // namespace boost::math::lanczos |
7c673cae FG |
36 | |
37 | #endif |