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// Copyright John Maddock 2007.
// 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/zeta.hpp>
#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 zeta_data_generator
{
mp_t operator()(mp_t z)
{
std::cout << z << " ";
mp_t result = boost::math::zeta(z);
std::cout << result << std::endl;
return result;
}
};
struct zeta_data_generator2
{
boost::math::tuple<mp_t, mp_t> operator()(mp_t z)
{
std::cout << -z << " ";
mp_t result = boost::math::zeta(-z);
std::cout << result << std::endl;
return boost::math::make_tuple(-z, result);
}
};
int 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 zeta function:\n";
do{
if(0 == get_user_parameter_info(arg1, "z"))
return 1;
arg1.type |= dummy_param;
data.insert(zeta_data_generator2(), 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=zeta_data.ipp]";
std::getline(std::cin, line);
boost::algorithm::trim(line);
if(line == "")
line = "zeta_data.ipp";
std::ofstream ofs(line.c_str());
ofs << std::scientific << std::setprecision(40);
write_code(ofs, data, "zeta_data");
return 0;
}
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