ceph/src/boost/libs/multiprecision/test/test_arithmetic_cpp_int_7.cpp

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