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- // (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/special_functions/legendre.hpp>
- #include <boost/math/special_functions/gamma.hpp>
- #include <fstream>
- #include <boost/math/tools/test_data.hpp>
- #include <boost/random.hpp>
- #include "mp_t.hpp"
- using namespace boost::math::tools;
- using namespace boost::math;
- using namespace std;
- template<class T>
- boost::math::tuple<T, T, T, T> legendre_p_data(T n, T x)
- {
- n = floor(n);
- T r1 = legendre_p(boost::math::tools::real_cast<int>(n), x);
- T r2 = legendre_q(boost::math::tools::real_cast<int>(n), x);
- return boost::math::make_tuple(n, x, r1, r2);
- }
-
- template<class T>
- boost::math::tuple<T, T, T, T> assoc_legendre_p_data(T n, T x)
- {
- static boost::mt19937 r;
- int l = real_cast<int>(floor(n));
- boost::uniform_int<> ui((std::max)(-l, -40), (std::min)(l, 40));
- int m = ui(r);
- T r1 = legendre_p(l, m, x);
- return boost::math::make_tuple(n, m, x, r1);
- }
- int main(int argc, char*argv [])
- {
- using namespace boost::math::tools;
- parameter_info<mp_t> arg1, arg2;
- test_data<mp_t> data;
- bool cont;
- std::string line;
- if(argc < 1)
- return 1;
- if(strcmp(argv[1], "--legendre2") == 0)
- {
- do{
- if(0 == get_user_parameter_info(arg1, "l"))
- return 1;
- if(0 == get_user_parameter_info(arg2, "x"))
- return 1;
- arg1.type |= dummy_param;
- arg2.type |= dummy_param;
- data.insert(&legendre_p_data<mp_t>, arg1, arg2);
- std::cout << "Any more data [y/n]?";
- std::getline(std::cin, line);
- boost::algorithm::trim(line);
- cont = (line == "y");
- }while(cont);
- }
- else if(strcmp(argv[1], "--legendre3") == 0)
- {
- do{
- if(0 == get_user_parameter_info(arg1, "l"))
- return 1;
- if(0 == get_user_parameter_info(arg2, "x"))
- return 1;
- arg1.type |= dummy_param;
- arg2.type |= dummy_param;
- data.insert(&assoc_legendre_p_data<mp_t>, arg1, arg2);
- 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=legendre_p.ipp]";
- std::getline(std::cin, line);
- boost::algorithm::trim(line);
- if(line == "")
- line = "legendre_p.ipp";
- std::ofstream ofs(line.c_str());
- ofs << std::scientific << std::setprecision(40);
- line.erase(line.find('.'));
- write_code(ofs, data, line.c_str());
- return 0;
- }
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