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ROBLOX2016
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Library/boost/libs/math/tools/sinc_data.cpp
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19 дек 2024, 19:11
19 дек 2024, 19:11
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// (C) Copyright John Maddock 2006. // 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/digamma.hpp> #include <boost/test/included/prg_exec_monitor.hpp> #include <fstream> #include <boost/math/tools/test_data.hpp> #include "mp_t.hpp" using namespace boost::math::tools; using namespace std; float external_f; float force_truncate(const float* f) { external_f = *f; return external_f; } float truncate_to_float(mp_t r) { float f = boost::math::tools::real_cast<float>(r); return force_truncate(&f); } template <class T> T naive_sinc(T const& x) { using std::sin; return sin(x) / x; } int cpp_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 sinc function:\n" " sinc_pi(z)\n\n"; do{ if(0 == get_user_parameter_info(arg1, "z")) return 1; data.insert(&::naive_sinc<mp_t>, 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=sinc_data.ipp]"; std::getline(std::cin, line); boost::algorithm::trim(line); if(line == "") line = "sinc_data.ipp"; std::ofstream ofs(line.c_str()); ofs << std::scientific << std::setprecision(40); write_code(ofs, data, "sinc_data"); return 0; }