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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/bindings/rr.hpp>
#include <boost/test/included/test_exec_monitor.hpp>
#include <boost/math/special_functions/zeta.hpp>
#include <boost/math/constants/constants.hpp>
#include <boost/math/tools/test.hpp>
#include <fstream>
#include <boost/math/tools/test_data.hpp>
using namespace boost::math::tools;
using namespace std;
struct zeta_data_generator
{
boost::math::ntl::RR operator()(boost::math::ntl::RR z)
{
std::cout << z << " ";
boost::math::ntl::RR result = boost::math::zeta(z);
std::cout << result << std::endl;
return result;
}
};
struct zeta_data_generator2
{
std::tr1::tuple<boost::math::ntl::RR, boost::math::ntl::RR> operator()(boost::math::ntl::RR z)
{
std::cout << -z << " ";
boost::math::ntl::RR result = boost::math::zeta(-z);
std::cout << result << std::endl;
return std::tr1::make_tuple(-z, result);
}
};
int test_main(int argc, char*argv [])
{
boost::math::ntl::RR::SetPrecision(500);
boost::math::ntl::RR::SetOutputPrecision(40);
parameter_info<boost::math::ntl::RR> arg1;
test_data<boost::math::ntl::RR> 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());
write_code(ofs, data, "zeta_data");
return 0;
}
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