1 ///////////////////////////////////////////////////////////////
2 //  Copyright 2012 John Maddock. Distributed under the Boost
3 //  Software License, Version 1.0. (See accompanying file
4 //  LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
5 
6 #ifndef BOOST_MATH_EXTRACT_EXPONENT_HPP
7 #define BOOST_MATH_EXTRACT_EXPONENT_HPP
8 
9 #include <boost/multiprecision/number.hpp>
10 
11 namespace boost {
12 namespace multiprecision {
13 namespace backends {
14 
15 template <class Backend, int cat>
16 struct extract_exponent_type
17 {
18    using type = int;
19 };
20 template <class Backend>
21 struct extract_exponent_type<Backend, number_kind_floating_point>
22 {
23    using type = typename Backend::exponent_type;
24 };
25 
26 }}} // namespace boost::multiprecision::backends
27 
28 #endif
29