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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/ellint_2.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 | typedef double T; | |
19 | #define SC_(x) static_cast<double>(x) | |
20 | static const boost::array<boost::array<T, 3>, 10> data1 = { { | |
21 | { { SC_(0.0), SC_(0.0), SC_(0.0) } }, | |
22 | { { SC_(-10.0), SC_(0.0), SC_(-10.0) } }, | |
23 | { { SC_(-1.0), SC_(-1.0), SC_(-0.84147098480789650665250232163029899962256306079837) } }, | |
24 | { { SC_(-4.0), T(900) / 1024, SC_(-3.1756145986492562317862928524528520686391383168377) } }, | |
25 | { { SC_(8.0), T(-600) / 1024, SC_(7.2473147180505693037677015377802777959345489333465) } }, | |
26 | { { SC_(1e-05), T(800) / 1024, SC_(9.999999999898274739584436515967055859383969942432E-6) } }, | |
27 | { { SC_(1e+05), T(100) / 1024, SC_(99761.153306972066658135668386691227343323331995888) } }, | |
28 | { { SC_(1e+10), SC_(-0.5), SC_(9.3421545766487137036576748555295222252286528414669e9) } }, | |
29 | { { static_cast<T>(ldexp(T(1), 66)), T(400) / 1024, SC_(7.0886102721911705466476846969992069994308167515242e19) } }, | |
30 | { { static_cast<T>(ldexp(T(1), 166)), T(900) / 1024, SC_(7.1259011068364515942912094521783688927118026465790e49) } }, | |
31 | } }; | |
32 | ||
33 | int main() | |
34 | { | |
35 | #include "ellint_e2_data.ipp" | |
36 | ||
37 | add_data(data1); | |
38 | add_data(ellint_e2_data); | |
39 | ||
40 | unsigned data_total = data.size(); | |
41 | ||
42 | screen_data([](const std::vector<double>& v){ return boost::math::ellint_2(v[1], v[0]); }, [](const std::vector<double>& v){ return v[2]; }); | |
43 | ||
44 | ||
45 | #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES) | |
46 | screen_data([](const std::vector<double>& v){ return std::tr1::ellint_2(v[1], v[0]); }, [](const std::vector<double>& v){ return v[2]; }); | |
47 | #endif | |
48 | #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES) | |
49 | screen_data([](const std::vector<double>& v){ return gsl_sf_ellint_E(v[0], v[1], GSL_PREC_DOUBLE); }, [](const std::vector<double>& v){ return v[2]; }); | |
50 | #endif | |
51 | ||
52 | unsigned data_used = data.size(); | |
53 | std::string function = "ellint_2[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)"; | |
54 | std::string function_short = "ellint_2"; | |
55 | ||
56 | double time; | |
57 | ||
58 | time = exec_timed_test([](const std::vector<double>& v){ return boost::math::ellint_2(v[1], v[0]); }); | |
59 | std::cout << time << std::endl; | |
60 | #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX)) | |
61 | report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name()); | |
62 | #endif | |
63 | report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name()); | |
64 | // | |
65 | // Boost again, but with promotion to long double turned off: | |
66 | // | |
67 | #if !defined(COMPILER_COMPARISON_TABLES) | |
68 | if(sizeof(long double) != sizeof(double)) | |
69 | { | |
70 | time = exec_timed_test([](const std::vector<double>& v){ return boost::math::ellint_2(v[1], v[0], boost::math::policies::make_policy(boost::math::policies::promote_double<false>())); }); | |
71 | std::cout << time << std::endl; | |
72 | #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX)) | |
73 | 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>"); | |
74 | #endif | |
75 | 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>"); | |
76 | } | |
77 | #endif | |
78 | ||
79 | ||
80 | #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES) | |
81 | time = exec_timed_test([](const std::vector<double>& v){ return std::tr1::ellint_2(v[1], v[0]); }); | |
82 | std::cout << time << std::endl; | |
83 | report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "tr1/cmath"); | |
84 | #endif | |
85 | #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES) | |
86 | time = exec_timed_test([](const std::vector<double>& v){ return gsl_sf_ellint_E(v[0], v[1], GSL_PREC_DOUBLE); }); | |
87 | std::cout << time << std::endl; | |
88 | report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "GSL " GSL_VERSION); | |
89 | #endif | |
90 | ||
91 | return 0; | |
92 | } | |
93 |