diff options
Diffstat (limited to 'src/boost/libs/math/tools/cbrt_data.cpp')
-rw-r--r-- | src/boost/libs/math/tools/cbrt_data.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/boost/libs/math/tools/cbrt_data.cpp b/src/boost/libs/math/tools/cbrt_data.cpp new file mode 100644 index 00000000..95c0a46f --- /dev/null +++ b/src/boost/libs/math/tools/cbrt_data.cpp @@ -0,0 +1,64 @@ +// (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 <fstream> +#include <boost/math/tools/test_data.hpp> +#include "mp_t.hpp" + +using namespace boost::math::tools; +using namespace std; + +struct cube_data_generator +{ + mp_t operator()(mp_t z) + { + mp_t result = z*z*z; + // if result is out of range of a float, + // don't include in test data as it messes up our results: + if(result > (std::numeric_limits<float>::max)()) + throw std::domain_error(""); + if(result < (std::numeric_limits<float>::min)()) + throw std::domain_error(""); + return result; + } +}; + +int main(int argc, char* argv[]) +{ + parameter_info<mp_t> arg1; + test_data<mp_t> data; + + std::cout << "Welcome.\n" + "This program will generate spot tests for the cbrt function:\n\n"; + + bool cont; + std::string line; + + do{ + if(0 == get_user_parameter_info(arg1, "z")) + return 1; + data.insert(cube_data_generator(), 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=cbrt_data.ipp]"; + std::getline(std::cin, line); + boost::algorithm::trim(line); + if(line == "") + line = "cbrt_data.ipp"; + std::ofstream ofs(line.c_str()); + ofs << std::scientific << std::setprecision(40); + write_code(ofs, data, "cbrt_data"); + + return 0; +} + + + + |