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Diffstat (limited to 'src/boost/libs/math/tools/zeta_data.cpp')
-rw-r--r-- | src/boost/libs/math/tools/zeta_data.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/boost/libs/math/tools/zeta_data.cpp b/src/boost/libs/math/tools/zeta_data.cpp new file mode 100644 index 00000000..55c87c97 --- /dev/null +++ b/src/boost/libs/math/tools/zeta_data.cpp @@ -0,0 +1,72 @@ +// 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; +} + |