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- // Copyright John Maddock 2015.
- // 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)
- #ifdef _MSC_VER
- # pragma warning (disable : 4224)
- #endif
- #include <boost/math/special_functions/zeta.hpp>
- #include <boost/array.hpp>
- #include <boost/lexical_cast.hpp>
- #include "../../test/table_type.hpp"
- #include "table_helper.hpp"
- #include "performance.hpp"
- #include <iostream>
- int main()
- {
- typedef double T;
- #define SC_(x) static_cast<double>(x)
- #include "zeta_data.ipp"
- #include "zeta_neg_data.ipp"
- #include "zeta_1_up_data.ipp"
- #include "zeta_1_below_data.ipp"
- add_data(zeta_data);
- add_data(zeta_neg_data);
- add_data(zeta_1_up_data);
- add_data(zeta_1_below_data);
- unsigned data_total = data.size();
- screen_data([](const std::vector<double>& v){ return boost::math::zeta(v[0]); }, [](const std::vector<double>& v){ return v[1]; });
- #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
- screen_data([](const std::vector<double>& v){ return std::tr1::riemann_zeta(v[0]); }, [](const std::vector<double>& v){ return v[1]; });
- #endif
- #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
- screen_data([](const std::vector<double>& v){ return gsl_sf_zeta(v[0]); }, [](const std::vector<double>& v){ return v[1]; });
- #endif
- unsigned data_used = data.size();
- std::string function = "zeta[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
- std::string function_short = "zeta";
- double time = exec_timed_test([](const std::vector<double>& v){ return boost::math::zeta(v[0]); });
- std::cout << time << std::endl;
- #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
- report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name());
- #endif
- report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name());
- //
- // Boost again, but with promotion to long double turned off:
- //
- #if !defined(COMPILER_COMPARISON_TABLES)
- if(sizeof(long double) != sizeof(double))
- {
- double time = exec_timed_test([](const std::vector<double>& v){ return boost::math::zeta(v[0], boost::math::policies::make_policy(boost::math::policies::promote_double<false>())); });
- std::cout << time << std::endl;
- #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
- report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name() + "[br]promote_double<false>");
- #endif
- report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name() + "[br]promote_double<false>");
- }
- #endif
- #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
- time = exec_timed_test([](const std::vector<double>& v){ return std::tr1::riemann_zeta(v[0]); });
- std::cout << time << std::endl;
- report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "tr1/cmath");
- #endif
- #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
- time = exec_timed_test([](const std::vector<double>& v){ return gsl_sf_zeta(v[0]); });
- std::cout << time << std::endl;
- report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "GSL " GSL_VERSION);
- #endif
- return 0;
- }
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