| // (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 <boost/math/bindings/rr.hpp> |
| #include <boost/math/tools/test_data.hpp> |
| #include <boost/test/included/test_exec_monitor.hpp> |
| #include <boost/math/special_functions/spherical_harmonic.hpp> |
| #include <fstream> |
| #include <boost/math/tools/test_data.hpp> |
| #include <boost/tr1/random.hpp> |
| |
| using namespace boost::math::tools; |
| using namespace boost::math; |
| using namespace std; |
| |
| float extern_val; |
| // confuse the compilers optimiser, and force a truncation to float precision: |
| float truncate_to_float(float const * pf) |
| { |
| extern_val = *pf; |
| return *pf; |
| } |
| |
| |
| |
| template<class T> |
| boost::math::tuple<T, T, T, T, T, T> spherical_harmonic_data(T i) |
| { |
| static tr1::mt19937 r; |
| |
| int n = real_cast<int>(floor(i)); |
| std::tr1::uniform_int<> ui(0, (std::min)(n, 40)); |
| int m = ui(r); |
| |
| std::tr1::uniform_real<float> ur(-2*constants::pi<float>(), 2*constants::pi<float>()); |
| float _theta = ur(r); |
| float _phi = ur(r); |
| T theta = truncate_to_float(&_theta); |
| T phi = truncate_to_float(&_phi); |
| |
| T r1 = spherical_harmonic_r(n, m, theta, phi); |
| T r2 = spherical_harmonic_i(n, m, theta, phi); |
| return boost::math::make_tuple(n, m, theta, phi, r1, r2); |
| } |
| |
| int test_main(int argc, char*argv []) |
| { |
| using namespace boost::math::tools; |
| |
| boost::math::ntl::RR::SetOutputPrecision(50); |
| boost::math::ntl::RR::SetPrecision(1000); |
| |
| parameter_info<boost::math::ntl::RR> arg1, arg2, arg3; |
| test_data<boost::math::ntl::RR> data; |
| |
| bool cont; |
| std::string line; |
| |
| if(argc < 1) |
| return 1; |
| |
| do{ |
| if(0 == get_user_parameter_info(arg1, "n")) |
| return 1; |
| arg1.type |= dummy_param; |
| arg2.type |= dummy_param; |
| arg3 = arg2; |
| |
| data.insert(&spherical_harmonic_data<boost::math::ntl::RR>, 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=spherical_harmonic.ipp]"; |
| std::getline(std::cin, line); |
| boost::algorithm::trim(line); |
| if(line == "") |
| line = "spherical_harmonic.ipp"; |
| std::ofstream ofs(line.c_str()); |
| line.erase(line.find('.')); |
| ofs << std::scientific; |
| write_code(ofs, data, line.c_str()); |
| |
| return 0; |
| } |
| |