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[ceph.git] / ceph / src / boost / libs / multiprecision / example / debug_adaptor_snips.cpp

///////////////////////////////////////////////////////////////
//  Copyright 2011 John Maddock. Distributed under the Boost
//  Software License, Version 1.0. (See accompanying file
//  LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt

#include <boost/multiprecision/cpp_dec_float.hpp>
#include <boost/multiprecision/debug_adaptor.hpp>
#include <iostream>

void t1()
{
   //[debug_adaptor_eg
   //=#include <boost/multiprecision/debug_adaptor.hpp>
   //=#include <boost/multiprecision/cpp_dec_float.hpp>

   using namespace boost::multiprecision;

   typedef number<debug_adaptor<cpp_dec_float<50> > > fp_type;

   fp_type denom = 1;
   fp_type sum = 1;

   for(unsigned i = 2; i < 50; ++i)
   {
      denom *= i;
      sum += 1 / denom;
   }

   std::cout << std::setprecision(std::numeric_limits<fp_type>::digits) << sum << std::endl;
   //]
}

int main()
{
   t1();
   return 0;
}