| // 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 <boost/math/bindings/rr.hpp> |
| //#include <boost/math/tools/dual_precision.hpp> |
| #include <boost/math/tools/test_data.hpp> |
| #include <boost/test/included/test_exec_monitor.hpp> |
| #include <boost/math/special_functions/ellint_3.hpp> |
| #include <fstream> |
| #include <boost/math/tools/test_data.hpp> |
| #include <boost/tr1/random.hpp> |
| |
| 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; |
| } |
| |
| boost::math::tuple<boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR> generate_rf_data(boost::math::ntl::RR n) |
| { |
| static std::tr1::mt19937 r; |
| std::tr1::uniform_real<float> ur(0, 1); |
| std::tr1::uniform_int<int> ui(-100, 100); |
| float x = ur(r); |
| x = ldexp(x, ui(r)); |
| boost::math::ntl::RR xr(truncate_to_float(&x)); |
| float y = ur(r); |
| y = ldexp(y, ui(r)); |
| boost::math::ntl::RR yr(truncate_to_float(&y)); |
| float z = ur(r); |
| z = ldexp(z, ui(r)); |
| boost::math::ntl::RR zr(truncate_to_float(&z)); |
| |
| boost::math::ntl::RR result = boost::math::ellint_rf(xr, yr, zr); |
| return boost::math::make_tuple(xr, yr, zr, result); |
| } |
| |
| boost::math::tuple<boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR> generate_rc_data(boost::math::ntl::RR n) |
| { |
| static std::tr1::mt19937 r; |
| std::tr1::uniform_real<float> ur(0, 1); |
| std::tr1::uniform_int<int> ui(-100, 100); |
| float x = ur(r); |
| x = ldexp(x, ui(r)); |
| boost::math::ntl::RR xr(truncate_to_float(&x)); |
| float y = ur(r); |
| y = ldexp(y, ui(r)); |
| boost::math::ntl::RR yr(truncate_to_float(&y)); |
| |
| boost::math::ntl::RR result = boost::math::ellint_rc(xr, yr); |
| return boost::math::make_tuple(xr, yr, result); |
| } |
| |
| boost::math::tuple<boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR> generate_rj_data(boost::math::ntl::RR n) |
| { |
| static std::tr1::mt19937 r; |
| std::tr1::uniform_real<float> ur(0, 1); |
| std::tr1::uniform_real<float> nur(-1, 1); |
| std::tr1::uniform_int<int> ui(-100, 100); |
| float x = ur(r); |
| x = ldexp(x, ui(r)); |
| boost::math::ntl::RR xr(truncate_to_float(&x)); |
| float y = ur(r); |
| y = ldexp(y, ui(r)); |
| boost::math::ntl::RR yr(truncate_to_float(&y)); |
| float z = ur(r); |
| z = ldexp(z, ui(r)); |
| boost::math::ntl::RR zr(truncate_to_float(&z)); |
| float p = nur(r); |
| p = ldexp(p, ui(r)); |
| boost::math::ntl::RR pr(truncate_to_float(&p)); |
| |
| boost::math::ellint_rj(x, y, z, p); |
| |
| boost::math::ntl::RR result = boost::math::ellint_rj(xr, yr, zr, pr); |
| return boost::math::make_tuple(xr, yr, zr, pr, result); |
| } |
| |
| boost::math::tuple<boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR> generate_rd_data(boost::math::ntl::RR n) |
| { |
| static std::tr1::mt19937 r; |
| std::tr1::uniform_real<float> ur(0, 1); |
| std::tr1::uniform_int<int> ui(-100, 100); |
| float x = ur(r); |
| x = ldexp(x, ui(r)); |
| boost::math::ntl::RR xr(truncate_to_float(&x)); |
| float y = ur(r); |
| y = ldexp(y, ui(r)); |
| boost::math::ntl::RR yr(truncate_to_float(&y)); |
| float z = ur(r); |
| z = ldexp(z, ui(r)); |
| boost::math::ntl::RR zr(truncate_to_float(&z)); |
| |
| boost::math::ntl::RR result = boost::math::ellint_rd(xr, yr, zr); |
| return boost::math::make_tuple(xr, yr, zr, result); |
| } |
| |
| 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; |
| test_data<boost::math::ntl::RR> data; |
| |
| bool cont; |
| std::string line; |
| |
| if(argc < 1) |
| return 1; |
| |
| do{ |
| int count; |
| std::cout << "Number of points: "; |
| std::cin >> count; |
| |
| arg1 = make_periodic_param(boost::math::ntl::RR(0), boost::math::ntl::RR(1), count); |
| arg1.type |= dummy_param; |
| |
| // |
| // Change this next line to get the R variant you want: |
| // |
| data.insert(&generate_rd_data, 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=ellint_rf_data.ipp]"; |
| std::getline(std::cin, line); |
| boost::algorithm::trim(line); |
| if(line == "") |
| line = "ellint_rf_data.ipp"; |
| std::ofstream ofs(line.c_str()); |
| line.erase(line.find('.')); |
| ofs << std::scientific; |
| write_code(ofs, data, line.c_str()); |
| |
| return 0; |
| } |
| |
| |