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 #define BOOST_MP_NOT_TESTING_NUMBER
7
8 #include <boost/multiprecision/cpp_int.hpp>
9
10 #include "test_arithmetic.hpp"
11
12 template <unsigned MinBits, unsigned MaxBits, boost::multiprecision::cpp_integer_type SignType, class Allocator, boost::multiprecision::expression_template_option ExpressionTemplates>
13 struct is_twos_complement_integer<boost::multiprecision::number<boost::multiprecision::cpp_int_backend<MinBits, MaxBits, SignType, boost::multiprecision::checked, Allocator>, ExpressionTemplates> > : public boost::mpl::false_
14 {};
15
16 template <>
17 struct related_type<boost::multiprecision::cpp_int>
18 {
19 typedef boost::multiprecision::int256_t type;
20 };
21 template <unsigned MinBits, unsigned MaxBits, boost::multiprecision::cpp_integer_type SignType, boost::multiprecision::cpp_int_check_type Checked, class Allocator, boost::multiprecision::expression_template_option ET>
22 struct related_type<boost::multiprecision::number<boost::multiprecision::cpp_int_backend<MinBits, MaxBits, SignType, Checked, Allocator>, ET> >
23 {
24 typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<MinBits / 2, MaxBits / 2, SignType, Checked, Allocator>, ET> type;
25 };
26
main()27 int main()
28 {
29 test<boost::rational<boost::multiprecision::cpp_int> >();
30 return boost::report_errors();
31 }
32