text: ///////////////////////////////////////////////////////////////////////////////
  //  Copyright 2012 John Maddock. Distributed under the Boost
  //  Software License, Version 1.0. (See accompanying file
  //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  
  #include <boost/multiprecision/cpp_int.hpp>
  
  using namespace boost::multiprecision;
  
  int main()
  {
     int256_t i = 3;
     int128_t j;
     j = i;
  }
  
  