1 // (C) Copyright John Maddock 2006.
2 // Use, modification and distribution are subject to the
3 // Boost Software License, Version 1.0. (See accompanying file
4 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 #define BOOST_MATH_MAX_SERIES_ITERATION_POLICY 10000000
8 #include <boost/math/special_functions/hypergeometric_1f1.hpp>
9 #include <boost/math/special_functions/hypergeometric_pfq.hpp>
10 #include <boost/math/constants/constants.hpp>
11 #include <boost/lexical_cast.hpp>
14 #include <boost/math/tools/test_data.hpp>
15 #include <boost/random.hpp>
16 #define BOOST_MATH_USE_MPFR
19 #include <boost/multiprecision/mpfr.hpp>
21 using namespace boost::math::tools;
22 using namespace boost::math;
24 using namespace boost::multiprecision;
27 struct hypergeometric_1f1_gen
29 mp_t operator()(mp_t a1, mp_t a2, mp_t z)
33 result = (mp_t)log(abs(boost::math::hypergeometric_pFq_precision({ mpfr_float(a1) }, { mpfr_float(a2) }, mpfr_float(z), 70, 25.0)));
34 std::cout << a1 << " " << a2 << " " << z << " " << result << std::endl;
38 throw std::domain_error("");
40 if (fabs(result) > (std::numeric_limits<double>::max)())
42 std::cout << "Rejecting over large value\n";
43 throw std::domain_error("");
45 if (fabs(result) < 1/1024.0)
47 std::cout << "Rejecting over small value\n";
48 throw std::domain_error("");
55 int main(int, char* [])
57 parameter_info<mp_t> arg1, arg2, arg3;
60 std::cout << "Welcome.\n"
61 "This program will generate spot tests for 1F1 (Yeh!!):\n";
67 random_ns::mt19937 rnd;
68 random_ns::uniform_real_distribution<float> ur_a(0, 1);
103 for (unsigned i = 0; i < v.size(); ++i)
105 for (unsigned j = 0; j < v.size(); ++j)
107 for (unsigned k = 0; k < v.size(); ++k)
109 std::cout << i << " " << j << " " << k << std::endl;
110 std::cout << v[i] << " " << (v[j] * 3) / 2 << " " << (v[k] * 5) / 4 << std::endl;
111 arg1 = make_single_param(v[i]);
112 arg2 = make_single_param(mp_t((v[j] * 3) / 2));
113 arg3 = make_single_param(mp_t((v[k] * 5) / 4));
114 data.insert(hypergeometric_1f1_gen(), arg1, arg2, arg3);
120 std::cout << "Enter name of test data file [default=hypergeometric_1f1.ipp]";
121 std::getline(std::cin, line);
122 boost::algorithm::trim(line);
124 line = "hypergeometric_1f1.ipp";
125 std::ofstream ofs(line.c_str());
126 ofs << std::scientific << std::setprecision(40);
127 write_code(ofs, data, line.c_str());