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ROBLOX2016
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Library/boost/libs/math/tools/zeta_data.cpp
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19 дек 2024, 19:11
19 дек 2024, 19:11
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// 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 <boost/math/special_functions/zeta.hpp> #include <boost/math/constants/constants.hpp> #include <fstream> #include <boost/math/tools/test_data.hpp> #include "mp_t.hpp" using namespace boost::math::tools; using namespace std; struct zeta_data_generator { mp_t operator()(mp_t z) { std::cout << z << " "; mp_t result = boost::math::zeta(z); std::cout << result << std::endl; return result; } }; struct zeta_data_generator2 { boost::math::tuple<mp_t, mp_t> operator()(mp_t z) { std::cout << -z << " "; mp_t result = boost::math::zeta(-z); std::cout << result << std::endl; return boost::math::make_tuple(-z, result); } }; int main(int argc, char*argv []) { parameter_info<mp_t> arg1; test_data<mp_t> data; bool cont; std::string line; std::cout << "Welcome.\n" "This program will generate spot tests for the zeta function:\n"; do{ if(0 == get_user_parameter_info(arg1, "z")) return 1; arg1.type |= dummy_param; data.insert(zeta_data_generator2(), arg1); std::cout << "Any more data [y/n]?"; std::getline(std::cin, line); boost::algorithm::trim(line); cont = (line == "y"); }while(cont); std::cout << "Enter name of test data file [default=zeta_data.ipp]"; std::getline(std::cin, line); boost::algorithm::trim(line); if(line == "") line = "zeta_data.ipp"; std::ofstream ofs(line.c_str()); ofs << std::scientific << std::setprecision(40); write_code(ofs, data, "zeta_data"); return 0; }