Chris@16: 
Chris@16: //  Copyright (c) 2011 John Maddock
Chris@16: //  Use, modification and distribution are subject to the
Chris@16: //  Boost Software License, Version 1.0. (See accompanying file
Chris@16: //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_MP_BIG_LANCZOS
Chris@16: #define BOOST_MP_BIG_LANCZOS
Chris@16: 
Chris@16: #include <boost/math/bindings/detail/big_lanczos.hpp>
Chris@16: 
Chris@16: namespace boost{ namespace math{
Chris@16: 
Chris@16: namespace lanczos{
Chris@16: 
Chris@16: template <class T, class Policy>
Chris@16: struct lanczos;
Chris@16: 
Chris@16: template<class Backend, boost::multiprecision::expression_template_option ExpressionTemplates, class Policy>
Chris@16: struct lanczos<multiprecision::number<Backend, ExpressionTemplates>, Policy>
Chris@16: {
Chris@16:    typedef typename boost::math::policies::precision<multiprecision::number<Backend, ExpressionTemplates>, Policy>::type precision_type;
Chris@16:    typedef typename mpl::if_c<
Chris@16:       precision_type::value <= 73,
Chris@16:       lanczos13UDT,
Chris@16:       typename mpl::if_c<
Chris@16:          precision_type::value <= 122,
Chris@16:          lanczos22UDT,
Chris@101:          undefined_lanczos
Chris@16:       >::type
Chris@16:    >::type type;
Chris@16: };
Chris@16: 
Chris@16: } // namespace lanczos
Chris@16: 
Chris@16: }} // namespaces
Chris@16: 
Chris@16: #endif
Chris@101: