68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
// Copyright John Maddock 2006.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/math/tools/test_data.hpp>
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#include <boost/test/included/prg_exec_monitor.hpp>
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#include <boost/math/special_functions/ellint_1.hpp>
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#include <boost/math/special_functions/jacobi_zeta.hpp>
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#include <fstream>
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#include <boost/math/tools/test_data.hpp>
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#include "mp_t.hpp"
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using namespace boost::math::tools;
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using namespace boost::math;
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using namespace std;
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mp_t heuman_lambda(mp_t phi, mp_t k)
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{
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mp_t kp = sqrt(1 - k *k);
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if((k * k < tools::epsilon<float>()) && (fabs(phi) >= constants::half_pi<mp_t>()))
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throw std::domain_error("");
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return ellint_1(kp, phi) / ellint_1(kp) + ellint_1(k) * jacobi_zeta(kp, phi) / constants::half_pi<mp_t>();
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}
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int cpp_main(int argc, char*argv [])
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{
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using namespace boost::math::tools;
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parameter_info<mp_t> arg1, arg2;
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test_data<mp_t> data;
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bool cont;
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std::string line;
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if(argc < 1)
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return 1;
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do{
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if(0 == get_user_parameter_info(arg1, "phi"))
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return 1;
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if(0 == get_user_parameter_info(arg2, "k"))
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return 1;
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mp_t(*fp)(mp_t, mp_t) = &heuman_lambda;
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data.insert(fp, arg1, arg2);
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std::cout << "Any more data [y/n]?";
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std::getline(std::cin, line);
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boost::algorithm::trim(line);
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cont = (line == "y");
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}while(cont);
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std::cout << "Enter name of test data file [default=heuman_lambda_data.ipp]";
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std::getline(std::cin, line);
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boost::algorithm::trim(line);
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if(line == "")
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line = "heuman_lambda_data.ipp";
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std::ofstream ofs(line.c_str());
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line.erase(line.find('.'));
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ofs << std::scientific << std::setprecision(40);
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write_code(ofs, data, line.c_str());
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return 0;
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}
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