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

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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)
#include <boost/math/special_functions/digamma.hpp>
#include <boost/test/included/prg_exec_monitor.hpp>
#include <fstream>
#include <boost/math/tools/test_data.hpp>
#include "mp_t.hpp"
using namespace boost::math::tools;
using namespace std;
float external_f;
float force_truncate(const float* f)
{
external_f = *f;
return external_f;
}
float truncate_to_float(mp_t r)
{
float f = boost::math::tools::real_cast<float>(r);
return force_truncate(&f);
}
int cpp_main(int argc, char*argv [])
{
parameter_info<mp_t> arg1;
test_data<mp_t> data;
bool cont;
std::string line;
std::cout << "Welcome.\n"
"This program will generate spot tests for the digamma function:\n"
" digamma(z)\n\n";
do{
if(0 == get_user_parameter_info(arg1, "z"))
return 1;
data.insert(&boost::math::digamma<mp_t>, arg1);
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=digamma_data.ipp]";
std::getline(std::cin, line);
boost::algorithm::trim(line);
if(line == "")
line = "digamma_data.ipp";
std::ofstream ofs(line.c_str());
ofs << std::scientific << std::setprecision(40);
write_code(ofs, data, "digamma_data");
return 0;
}