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// (C) 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)
#define BOOST_MATH_MAX_SERIES_ITERATION_POLICY 10000000
#include "mp_t.hpp"
#include <boost/math/special_functions/hypergeometric_1F1.hpp>
#include <boost/math/constants/constants.hpp>
#include <boost/lexical_cast.hpp>
#include <fstream>
#include <map>
#include <boost/math/tools/test_data.hpp>
#include <boost/random.hpp>
using namespace boost::math::tools;
using namespace boost::math;
using namespace std;
struct hypergeometric_1f1_gen
{
mp_t operator()(mp_t a1, mp_t a2, mp_t z)
{
long long scaling = 0;
std::cout << a1 << " " << a2 << " " << z << std::endl;
mp_t result = boost::math::detail::hypergeometric_1F1_generic_series(a1, a2, z, boost::math::policies::policy<>(), scaling, "");
std::cout << a1 << " " << a2 << " " << z << " " << result << std::endl;
return ldexp(result, scaling);
}
};
struct hypergeometric_1f1_gen_2
{
mp_t operator()(mp_t a1, mp_t a2, mp_t z)
{
long long scaling = 0;
mp_t result = boost::math::detail::hypergeometric_1F1_generic_series(a1, a2, z, boost::math::policies::policy<>(), scaling, "");
result = ldexp(result, scaling);
std::cout << a1 << " " << a2 << " " << z << " " << result << std::endl;
if (fabs(result) > (std::numeric_limits<double>::max)())
{
std::cout << "Discarding result as too large\n";
throw std::domain_error("");
}
if (static_cast<double>(result) == 1)
{
std::cout << "Discarding result as unity\n";
throw std::domain_error(""); // uninteresting result.
}
return result;
}
};
int main(int, char* [])
{
parameter_info<mp_t> arg1, arg2, arg3;
test_data<mp_t> data;
std::cout << "Welcome.\n"
"This program will generate spot tests for 2F0:\n";
std::string line;
bool cont;
#if 1
std::vector<mp_t> v;
random_ns::mt19937 rnd;
random_ns::uniform_real_distribution<float> ur_a(0, 1);
mp_t p = ur_a(rnd);
p *= 1e6;
v.push_back(p);
v.push_back(-p);
p = ur_a(rnd);
p *= 1e5;
v.push_back(p);
v.push_back(-p);
p = ur_a(rnd);
p *= 1e4;
v.push_back(p);
v.push_back(-p);
p = ur_a(rnd);
p *= 1e3;
v.push_back(p);
v.push_back(-p);
p = ur_a(rnd);
p *= 1e2;
v.push_back(p);
v.push_back(-p);
p = ur_a(rnd);
p *= 1e-5;
v.push_back(p);
v.push_back(-p);
p = ur_a(rnd);
p *= 1e-12;
v.push_back(p);
v.push_back(-p);
p = ur_a(rnd);
p *= 1e-30;
v.push_back(p);
v.push_back(-p);
for (unsigned i = 0; i < v.size(); ++i)
{
for (unsigned j = 0; j < v.size(); ++j)
{
for (unsigned k = 0; k < v.size(); ++k)
{
arg1 = make_single_param(v[i]);
arg2 = make_single_param(v[j] * 3 / 2);
arg3 = make_single_param(v[k] * 5 / 4);
data.insert(hypergeometric_1f1_gen_2(), arg1, arg2, arg3);
}
}
}
#else
do {
get_user_parameter_info(arg1, "a1");
get_user_parameter_info(arg2, "a2");
get_user_parameter_info(arg3, "z");
data.insert(hypergeometric_1f1_gen(), arg1, arg2, arg3);
std::cout << "Any more data [y/n]?";
std::getline(std::cin, line);
boost::algorithm::trim(line);
cont = (line == "y");
} while (cont);
#endif
std::cout << "Enter name of test data file [default=hypergeometric_1f1.ipp]";
std::getline(std::cin, line);
boost::algorithm::trim(line);
if(line == "")
line = "hypergeometric_1f1.ipp";
std::ofstream ofs(line.c_str());
ofs << std::scientific << std::setprecision(40);
write_code(ofs, data, line.c_str());
return 0;
}
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