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1 | // Copyright John Maddock 2015. |
2 | // Use, modification and distribution are subject to the | |
3 | // Boost Software License, Version 1.0. (See accompanying file | |
4 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
5 | ||
6 | #ifdef _MSC_VER | |
7 | # pragma warning (disable : 4224) | |
8 | #endif | |
9 | ||
10 | #include <boost/math/special_functions/zeta.hpp> | |
11 | #include <boost/array.hpp> | |
12 | #include <boost/lexical_cast.hpp> | |
13 | #include "../../test/table_type.hpp" | |
14 | #include "table_helper.hpp" | |
15 | #include "performance.hpp" | |
16 | #include <iostream> | |
17 | ||
18 | int main() | |
19 | { | |
20 | typedef double T; | |
21 | #define SC_(x) static_cast<double>(x) | |
22 | #include "zeta_data.ipp" | |
23 | #include "zeta_neg_data.ipp" | |
24 | #include "zeta_1_up_data.ipp" | |
25 | #include "zeta_1_below_data.ipp" | |
26 | ||
27 | add_data(zeta_data); | |
28 | add_data(zeta_neg_data); | |
29 | add_data(zeta_1_up_data); | |
30 | add_data(zeta_1_below_data); | |
31 | ||
32 | unsigned data_total = data.size(); | |
33 | ||
34 | screen_data([](const std::vector<double>& v){ return boost::math::zeta(v[0]); }, [](const std::vector<double>& v){ return v[1]; }); | |
35 | ||
36 | #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES) | |
37 | screen_data([](const std::vector<double>& v){ return std::tr1::riemann_zeta(v[0]); }, [](const std::vector<double>& v){ return v[1]; }); | |
38 | #endif | |
39 | #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES) | |
40 | screen_data([](const std::vector<double>& v){ return gsl_sf_zeta(v[0]); }, [](const std::vector<double>& v){ return v[1]; }); | |
41 | #endif | |
42 | ||
43 | unsigned data_used = data.size(); | |
44 | std::string function = "zeta[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)"; | |
45 | std::string function_short = "zeta"; | |
46 | ||
47 | double time = exec_timed_test([](const std::vector<double>& v){ return boost::math::zeta(v[0]); }); | |
48 | std::cout << time << std::endl; | |
49 | #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX)) | |
50 | report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name()); | |
51 | #endif | |
52 | report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name()); | |
53 | // | |
54 | // Boost again, but with promotion to long double turned off: | |
55 | // | |
56 | #if !defined(COMPILER_COMPARISON_TABLES) | |
57 | if(sizeof(long double) != sizeof(double)) | |
58 | { | |
59 | 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>())); }); | |
60 | std::cout << time << std::endl; | |
61 | #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX)) | |
62 | 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>"); | |
63 | #endif | |
64 | 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>"); | |
65 | } | |
66 | #endif | |
67 | ||
68 | ||
69 | #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES) | |
70 | time = exec_timed_test([](const std::vector<double>& v){ return std::tr1::riemann_zeta(v[0]); }); | |
71 | std::cout << time << std::endl; | |
72 | report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "tr1/cmath"); | |
73 | #endif | |
74 | #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES) | |
75 | time = exec_timed_test([](const std::vector<double>& v){ return gsl_sf_zeta(v[0]); }); | |
76 | std::cout << time << std::endl; | |
77 | report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "GSL " GSL_VERSION); | |
78 | #endif | |
79 | ||
80 | return 0; | |
81 | } | |
82 |