]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | // Copyright John Maddock 2006. |
2 | ||
3 | // Use, modification and distribution are subject to the | |
4 | // Boost Software License, Version 1.0. | |
5 | // (See accompanying file LICENSE_1_0.txt | |
6 | // or copy at http://www.boost.org/LICENSE_1_0.txt) | |
7 | ||
8 | ||
20effc67 | 9 | #include "mp_t.hpp" |
7c673cae FG |
10 | #include <boost/math/tools/test_data.hpp> |
11 | #include <boost/test/included/prg_exec_monitor.hpp> | |
12 | #include <boost/math/special_functions/ellint_3.hpp> | |
13 | #include <fstream> | |
14 | #include <boost/math/tools/test_data.hpp> | |
15 | #include <boost/random.hpp> | |
7c673cae FG |
16 | |
17 | float extern_val; | |
18 | // confuse the compilers optimiser, and force a truncation to float precision: | |
19 | float truncate_to_float(float const * pf) | |
20 | { | |
21 | extern_val = *pf; | |
22 | return *pf; | |
23 | } | |
24 | ||
25 | boost::math::tuple<mp_t, mp_t> generate_data(mp_t n, mp_t phi) | |
26 | { | |
27 | static boost::mt19937 r; | |
28 | boost::uniform_real<float> ui(0, 1); | |
29 | float k = ui(r); | |
30 | mp_t kr(truncate_to_float(&k)); | |
31 | mp_t result = boost::math::ellint_3(kr, n, phi); | |
32 | return boost::math::make_tuple(kr, result); | |
33 | } | |
34 | ||
35 | int cpp_main(int argc, char*argv []) | |
36 | { | |
37 | using namespace boost::math::tools; | |
38 | ||
39 | parameter_info<mp_t> arg1, arg2; | |
40 | test_data<mp_t> data; | |
41 | ||
42 | bool cont; | |
43 | std::string line; | |
44 | ||
45 | if(argc < 1) | |
46 | return 1; | |
47 | ||
48 | do{ | |
49 | if(0 == get_user_parameter_info(arg1, "n")) | |
50 | return 1; | |
51 | if(0 == get_user_parameter_info(arg2, "phi")) | |
52 | return 1; | |
53 | ||
54 | data.insert(&generate_data, arg1, arg2); | |
55 | ||
56 | std::cout << "Any more data [y/n]?"; | |
57 | std::getline(std::cin, line); | |
58 | boost::algorithm::trim(line); | |
59 | cont = (line == "y"); | |
60 | }while(cont); | |
61 | ||
62 | std::cout << "Enter name of test data file [default=ellint_pi3_data.ipp]"; | |
63 | std::getline(std::cin, line); | |
64 | boost::algorithm::trim(line); | |
65 | if(line == "") | |
66 | line = "ellint_pi3_data.ipp"; | |
67 | std::ofstream ofs(line.c_str()); | |
68 | line.erase(line.find('.')); | |
69 | ofs << std::scientific << std::setprecision(40); | |
70 | write_code(ofs, data, line.c_str()); | |
71 | ||
72 | return 0; | |
73 | } | |
74 | ||
75 |