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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/log1p.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 "../../test/log1p_expm1_data.ipp" | |
23 | ||
24 | add_data(log1p_expm1_data); | |
25 | ||
26 | unsigned data_total = data.size(); | |
27 | ||
28 | screen_data([](const std::vector<double>& v){ return boost::math::log1p(v[0]); }, [](const std::vector<double>& v){ return v[1]; }); | |
29 | ||
30 | #if defined(TEST_C99) && !defined(COMPILER_COMPARISON_TABLES) | |
31 | screen_data([](const std::vector<double>& v){ return ::log1p(v[0]); }, [](const std::vector<double>& v){ return v[1]; }); | |
32 | #endif | |
33 | #ifdef TEST_LIBSTDCXX && !defined(COMPILER_COMPARISON_TABLES) | |
34 | screen_data([](const std::vector<double>& v){ return std::tr1::log1p(v[0]); }, [](const std::vector<double>& v){ return v[1]; }); | |
35 | #endif | |
36 | ||
37 | unsigned data_used = data.size(); | |
38 | std::string function = "log1p[br](" + boost::lexical_cast<std::string>(data_used)+"/" + boost::lexical_cast<std::string>(data_total)+" tests selected)"; | |
39 | std::string function_short = "log1p"; | |
40 | ||
41 | double time = exec_timed_test([](const std::vector<double>& v){ return boost::math::log1p(v[0]); }); | |
42 | std::cout << time << std::endl; | |
43 | #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_C99) || defined(TEST_LIBSTDCXX)) | |
44 | report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name()); | |
45 | #endif | |
46 | report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name()); | |
47 | // | |
48 | // Boost again, but with promotion to long double turned off: | |
49 | // | |
50 | #if !defined(COMPILER_COMPARISON_TABLES) | |
51 | if(sizeof(long double) != sizeof(double)) | |
52 | { | |
53 | double time = exec_timed_test([](const std::vector<double>& v){ return boost::math::log1p(v[0], boost::math::policies::make_policy(boost::math::policies::promote_double<false>())); }); | |
54 | std::cout << time << std::endl; | |
55 | #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_C99) || defined(TEST_LIBSTDCXX)) | |
56 | 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>"); | |
57 | #endif | |
58 | 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>"); | |
59 | } | |
60 | #endif | |
61 | ||
62 | ||
63 | #if defined(TEST_C99) && !defined(COMPILER_COMPARISON_TABLES) | |
64 | time = exec_timed_test([](const std::vector<double>& v){ return ::log1p(v[0]); }); | |
65 | std::cout << time << std::endl; | |
66 | report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "math.h"); | |
67 | #endif | |
68 | #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES) | |
69 | time = exec_timed_test([](const std::vector<double>& v){ return std::tr1::log1p(v[0]); }); | |
70 | std::cout << time << std::endl; | |
71 | report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "tr1/cmath"); | |
72 | #endif | |
73 | ||
74 | ||
75 | return 0; | |
76 | } | |
77 |