WSJT-X/boost/libs/math/tools/ellint_pi3_data.cpp

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// 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/tools/test_data.hpp>
#include <boost/test/included/prg_exec_monitor.hpp>
#include <boost/math/special_functions/ellint_3.hpp>
#include <fstream>
#include <boost/math/tools/test_data.hpp>
#include <boost/random.hpp>
#include "mp_t.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<mp_t, mp_t> generate_data(mp_t n, mp_t phi)
{
static boost::mt19937 r;
boost::uniform_real<float> ui(0, 1);
float k = ui(r);
mp_t kr(truncate_to_float(&k));
mp_t result = boost::math::ellint_3(kr, n, phi);
return boost::math::make_tuple(kr, result);
}
int cpp_main(int argc, char*argv [])
{
using namespace boost::math::tools;
parameter_info<mp_t> arg1, arg2;
test_data<mp_t> data;
bool cont;
std::string line;
if(argc < 1)
return 1;
do{
if(0 == get_user_parameter_info(arg1, "n"))
return 1;
if(0 == get_user_parameter_info(arg2, "phi"))
return 1;
data.insert(&generate_data, arg1, arg2);
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_pi3_data.ipp]";
std::getline(std::cin, line);
boost::algorithm::trim(line);
if(line == "")
line = "ellint_pi3_data.ipp";
std::ofstream ofs(line.c_str());
line.erase(line.find('.'));
ofs << std::scientific << std::setprecision(40);
write_code(ofs, data, line.c_str());
return 0;
}