ceph/src/boost/libs/multiprecision/test/test_arithmetic_cpp_int_4.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 http://www.boost.org/LICENSE_1_
   5
   6 #define TEST_CHECKED_INT
   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 template <>
  16 struct related_type<boost::multiprecision::cpp_int>
  17 {
  18    typedef boost::multiprecision::int256_t type;
  19 };
  20 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>
  21 struct related_type<boost::multiprecision::number<boost::multiprecision::cpp_int_backend<MinBits, MaxBits, SignType, Checked, Allocator>, ET> >
  22 {
  23    typedef boost::multiprecision::number<boost::multiprecision::cpp_int_backend<MinBits/2, MaxBits/2, SignType, Checked, Allocator>, ET> type;
  24 };
  25
  26 template <>
  27 struct is_checked_cpp_int<boost::multiprecision::checked_cpp_int> : public boost::mpl::true_ {};
  28
  29 int main()
  30 {
  31    test<boost::multiprecision::checked_cpp_int>();
  32    return boost::report_errors();
  33 }
  34