// (C) Copyright John Maddock 2007. // Use, modification and distribution are subject to 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 #include #include void write_table(unsigned max_exponent) { boost::math::ntl::RR max = ldexp(boost::math::ntl::RR(1), max_exponent); std::vector factorials; factorials.push_back(1); boost::math::ntl::RR f(1); unsigned i = 1; while(f < max) { factorials.push_back(f); ++i; f *= i; } // // now write out the results to cout: // std::cout << std::scientific; std::cout << " static const boost::array factorials = {\n"; for(unsigned j = 0; j < factorials.size(); ++j) std::cout << " " << factorials[j] << "L,\n"; std::cout << " };\n\n"; } int main() { boost::math::ntl::RR::SetPrecision(300); boost::math::ntl::RR::SetOutputPrecision(40); write_table(16384/*std::numeric_limits::max_exponent*/); }