93 lines
4.6 KiB
C++
93 lines
4.6 KiB
C++
// Copyright John Maddock 2015.
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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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#ifdef _MSC_VER
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# pragma warning (disable : 4224)
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#endif
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#include <boost/math/special_functions/ellint_1.hpp>
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#include <boost/array.hpp>
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#include <boost/lexical_cast.hpp>
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#include "../../test/table_type.hpp"
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#include "table_helper.hpp"
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#include "performance.hpp"
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#include <iostream>
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typedef double T;
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#define SC_(x) static_cast<double>(x)
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static const boost::array<boost::array<T, 2>, 9> data2 = { {
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{ { SC_(0.0), SC_(1.5707963267948966192313216916397514420985846996876) } },
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{ { SC_(0.125), SC_(1.5769867712158131421244030532288080803822271060839) } },
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{ { SC_(0.25), SC_(1.5962422221317835101489690714979498795055744578951) } },
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{ { T(300) / 1024, SC_(1.6062331054696636704261124078746600894998873503208) } },
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{ { T(400) / 1024, SC_(1.6364782007562008756208066125715722889067992997614) } },
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{ { SC_(-0.5), SC_(1.6857503548125960428712036577990769895008008941411) } },
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{ { SC_(-0.75), SC_(1.9109897807518291965531482187613425592531451316788) } },
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{ { 1 - T(1) / 8, SC_(2.185488469278223686913080323730158689730428415766) } },
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{ { 1 - T(1) / 1024, SC_(4.5074135978990422666372495313621124487894807327687) } },
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} };
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int main()
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{
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#include "ellint_k_data.ipp"
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add_data(data2);
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add_data(ellint_k_data);
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unsigned data_total = data.size();
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screen_data([](const std::vector<double>& v){ return boost::math::ellint_1(v[0]); }, [](const std::vector<double>& v){ return v[1]; });
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#if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
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screen_data([](const std::vector<double>& v){ return std::tr1::comp_ellint_1(v[0]); }, [](const std::vector<double>& v){ return v[1]; });
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#endif
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#if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
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screen_data([](const std::vector<double>& v){ return gsl_sf_ellint_Kcomp(v[0], GSL_PREC_DOUBLE); }, [](const std::vector<double>& v){ return v[1]; });
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#endif
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unsigned data_used = data.size();
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std::string function = "ellint_1 (complete)[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
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std::string function_short = "ellint_1 (complete)";
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double time;
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time = exec_timed_test([](const std::vector<double>& v){ return boost::math::ellint_1(v[0]); });
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std::cout << time << std::endl;
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#if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
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report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name());
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#endif
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report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name());
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//
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// Boost again, but with promotion to long double turned off:
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//
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#if !defined(COMPILER_COMPARISON_TABLES)
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if(sizeof(long double) != sizeof(double))
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{
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time = exec_timed_test([](const std::vector<double>& v){ return boost::math::ellint_1(v[0], boost::math::policies::make_policy(boost::math::policies::promote_double<false>())); });
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std::cout << time << std::endl;
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#if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
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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>");
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#endif
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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>");
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}
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#endif
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#if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
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time = exec_timed_test([](const std::vector<double>& v){ return std::tr1::comp_ellint_1(v[0]); });
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std::cout << time << std::endl;
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report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "tr1/cmath");
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#endif
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#if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
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time = exec_timed_test([](const std::vector<double>& v){ return gsl_sf_ellint_Kcomp(v[0], GSL_PREC_DOUBLE); });
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std::cout << time << std::endl;
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report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "GSL " GSL_VERSION);
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#endif
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return 0;
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}
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