ceph/src/boost/libs/math/example/luroth.cpp

   1 //  (C) Copyright Nick Thompson 2020.
   2 //  Use, modification and distribution are subject to the
   3 //  Boost Software License, Version 1.0. (See accompanying file
   4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #include <iostream>
   7 #include <boost/math/tools/luroth_expansion.hpp>
   8 #include <boost/math/constants/constants.hpp>
   9
  10 #ifndef BOOST_MATH_STANDALONE
  11 #include <boost/multiprecision/mpfr.hpp>
  12 using boost::multiprecision::mpfr_float;
  13 #endif // BOOST_MATH_STANDALONE
  14
  15 using boost::math::constants::pi;
  16 using boost::math::tools::luroth_expansion;
  17
  18 int main() {
  19     #ifndef BOOST_MATH_STANDALONE
  20     using Real = mpfr_float;
  21     mpfr_float::default_precision(1024);
  22     #else
  23     using Real = long double;
  24     #endif
  25
  26     auto luroth = luroth_expansion(pi<Real>());
  27     std::cout << luroth << "\n";
  28 }