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// (C) Copyright John Maddock 2023.
// 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
#define BOOST_MATH_USE_MPFR
#include "mp_t.hpp"
#include <boost/math/special_functions/hypergeometric_1F1.hpp>
#include <boost/math/special_functions/hypergeometric_pFq.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 arg1, mp_t arg2, mp_t z)
{
boost::multiprecision::mpfr_float a1(arg1), a2(arg2), a3(z), r;
r = boost::math::hypergeometric_pFq_precision({ a1 }, { a2 }, a3, 50);
return mp_t(r);
}
};
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 1F1 with negative integer arguments:\n";
std::string line;
bool cont;
random_ns::mt19937 rnd;
random_ns::uniform_real_distribution<float> ur_a(0, 20);
for (int i = -4; i > -100000; i *= 7)
{
arg1 = make_single_param(mp_t(i));
arg2 = make_single_param(mp_t(-100004));
arg3 = make_single_param(mp_t(ur_a(rnd)));
data.insert(hypergeometric_1f1_gen(), arg1, arg2, arg3);
arg3.z1 = -arg3.z1;
data.insert(hypergeometric_1f1_gen(), arg1, arg2, arg3);
}
for (int i = -4; i > -100000; i *= 7)
{
arg1 = make_single_param(mp_t(i));
arg2 = make_single_param(mp_t(mp_t(i) - 3));
arg3 = make_single_param(mp_t(ur_a(rnd)));
data.insert(hypergeometric_1f1_gen(), arg1, arg2, arg3);
arg3.z1 = -arg3.z1;
data.insert(hypergeometric_1f1_gen(), arg1, arg2, arg3);
}
std::cout << "Enter name of test data file [default=hypergeometric_1f1_neg_int.ipp]";
std::getline(std::cin, line);
boost::algorithm::trim(line);
if (line == "")
line = "hypergeometric_1f1_neg_int.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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