41 lines
904 B
C++
41 lines
904 B
C++
///////////////////////////////////////////////////////////////
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// Copyright 2011 John Maddock. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
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#include <boost/multiprecision/cpp_dec_float.hpp>
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#include <boost/multiprecision/debug_adaptor.hpp>
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#include <iostream>
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void t1()
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{
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//[debug_adaptor_eg
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//=#include <boost/multiprecision/debug_adaptor.hpp>
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//=#include <boost/multiprecision/cpp_dec_float.hpp>
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using namespace boost::multiprecision;
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typedef number<debug_adaptor<cpp_dec_float<50> > > fp_type;
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fp_type denom = 1;
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fp_type sum = 1;
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for(unsigned i = 2; i < 50; ++i)
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{
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denom *= i;
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sum += 1 / denom;
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}
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std::cout << std::setprecision(std::numeric_limits<fp_type>::digits) << sum << std::endl;
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//]
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}
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int main()
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{
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t1();
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return 0;
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}
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