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ab9017cf29
Fixed ntl::RR iostream operators. Updated minimax program with zeta and expint approximations. [SVN r41958]
78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
// Copyright John Maddock 2007.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/math/bindings/rr.hpp>
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#include <boost/test/included/test_exec_monitor.hpp>
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#include <boost/math/special_functions/zeta.hpp>
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#include <boost/math/constants/constants.hpp>
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#include <boost/math/tools/test.hpp>
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#include <fstream>
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#include <boost/math/tools/test_data.hpp>
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using namespace boost::math::tools;
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using namespace std;
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struct zeta_data_generator
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{
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boost::math::ntl::RR operator()(boost::math::ntl::RR z)
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{
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std::cout << z << " ";
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boost::math::ntl::RR result = boost::math::zeta(z);
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std::cout << result << std::endl;
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return result;
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}
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};
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struct zeta_data_generator2
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{
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std::tr1::tuple<boost::math::ntl::RR, boost::math::ntl::RR> operator()(boost::math::ntl::RR z)
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{
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std::cout << -z << " ";
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boost::math::ntl::RR result = boost::math::zeta(-z);
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std::cout << result << std::endl;
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return std::tr1::make_tuple(-z, result);
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}
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};
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int test_main(int argc, char*argv [])
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{
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boost::math::ntl::RR::SetPrecision(500);
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boost::math::ntl::RR::SetOutputPrecision(40);
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parameter_info<boost::math::ntl::RR> arg1;
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test_data<boost::math::ntl::RR> data;
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bool cont;
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std::string line;
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std::cout << "Welcome.\n"
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"This program will generate spot tests for the zeta function:\n";
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do{
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if(0 == get_user_parameter_info(arg1, "z"))
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return 1;
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arg1.type |= dummy_param;
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data.insert(zeta_data_generator2(), arg1);
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std::cout << "Any more data [y/n]?";
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std::getline(std::cin, line);
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boost::algorithm::trim(line);
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cont = (line == "y");
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}while(cont);
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std::cout << "Enter name of test data file [default=zeta_data.ipp]";
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std::getline(std::cin, line);
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boost::algorithm::trim(line);
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if(line == "")
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line = "zeta_data.ipp";
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std::ofstream ofs(line.c_str());
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write_code(ofs, data, "zeta_data");
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return 0;
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}
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