int main() { #include "ellint_pi3_data.ipp" #include "ellint_pi3_large_data.ipp" add_data(data1); add_data(ellint_pi3_data); add_data(ellint_pi3_large_data); unsigned data_total = data.size(); std::cout << "Screening boost data:\n"; screen_data([](const std::vector<double>& v){ return boost::math::ellint_3(v[2], v[0], v[1]); }, [](const std::vector<double>& v){ return v[3]; }); #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES) std::cout << "Screening libstdc++ data:\n"; screen_data([](const std::vector<double>& v){ return std::tr1 ::ellint_3(v[2], -v[0], v[1]); }, [](const std::vector<double>& v){ return v[3]; }); #endif #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES) std::cout << "Screening libstdc++ data:\n"; screen_data([](const std::vector<double>& v){ return gsl_sf_ellint_P(v[1], v[2], -v[0], GSL_PREC_DOUBLE); }, [](const std::vector<double>& v){ return v[3]; }); #endif unsigned data_used = data.size(); std::string function = "ellint_3[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)"; std::string function_short = "ellint_3"; double time; time = exec_timed_test([](const std::vector<double>& v){ return boost::math::ellint_3(v[2], v[0], v[1]); }); 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)) { time = exec_timed_test([](const std::vector<double>& v){ return boost::math::ellint_3(v[2], v[0], v[1], 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::ellint_3(v[2], -v[0], v[1]); }); 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_ellint_P(v[1], v[2], -v[0], GSL_PREC_DOUBLE); }); 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; }
/** * C++ version of gsl_sf_ellint_P(). * P(phi,k,n) = Integral[(1 + n Sin[t]^2)^(-1)/Sqrt[1 - k^2 Sin[t]^2], {t, 0, phi}] * @param phi A real number * @param k A real number * @param n A real number * @param mode The mode * @return The function value */ inline double P( double phi, double k, double n, mode_t mode ){ return gsl_sf_ellint_P( phi, k, n, mode ); }