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

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// Copyright John Maddock 2008.
// 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/constants/constants.hpp>
#include <fstream>
#include <boost/math/tools/test_data.hpp>
#include "mp_t.hpp"
using namespace boost::math::tools;
using namespace std;
struct asinh_data_generator
{
mp_t operator()(mp_t z)
{
std::cout << z << " ";
mp_t result = log(z + sqrt(z * z + 1));
std::cout << result << std::endl;
return result;
}
};
struct acosh_data_generator
{
mp_t operator()(mp_t z)
{
std::cout << z << " ";
mp_t result = log(z + sqrt(z * z - 1));
std::cout << result << std::endl;
return result;
}
};
struct atanh_data_generator
{
mp_t operator()(mp_t z)
{
std::cout << z << " ";
mp_t result = log((z + 1) / (1 - z)) / 2;
std::cout << result << std::endl;
return result;
}
};
int main(int argc, char*argv [])
{
parameter_info<mp_t> arg1;
test_data<mp_t> data;
std::ofstream ofs;
bool cont;
std::string line;
std::cout << "Welcome.\n"
"This program will generate spot tests for the inverse hyperbolic sin function:\n";
do{
if(0 == get_user_parameter_info(arg1, "z"))
return 1;
data.insert(asinh_data_generator(), 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=asinh_data.ipp]";
std::getline(std::cin, line);
boost::algorithm::trim(line);
if(line == "")
line = "asinh_data.ipp";
ofs.open(line.c_str());
ofs << std::scientific << std::setprecision(40);
write_code(ofs, data, "asinh_data");
data.clear();
std::cout << "Welcome.\n"
"This program will generate spot tests for the inverse hyperbolic cos function:\n";
do{
if(0 == get_user_parameter_info(arg1, "z"))
return 1;
data.insert(acosh_data_generator(), 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=acosh_data.ipp]";
std::getline(std::cin, line);
boost::algorithm::trim(line);
if(line == "")
line = "acosh_data.ipp";
ofs.close();
ofs.open(line.c_str());
ofs << std::scientific << std::setprecision(40);
write_code(ofs, data, "acosh_data");
data.clear();
std::cout << "Welcome.\n"
"This program will generate spot tests for the inverse hyperbolic tan function:\n";
do{
if(0 == get_user_parameter_info(arg1, "z"))
return 1;
data.insert(atanh_data_generator(), 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=atanh_data.ipp]";
std::getline(std::cin, line);
boost::algorithm::trim(line);
if(line == "")
line = "atanh_data.ipp";
ofs.close();
ofs.open(line.c_str());
ofs << std::scientific << std::setprecision(40);
write_code(ofs, data, "atanh_data");
return 0;
}