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, 2>, 10> data2 = { {
21 { { SC_(-1.0), SC_(1.0) } },
22 { { SC_(0.0), SC_(1.5707963267948966192313216916397514420985846996876) } },
23 { { T(100) / 1024, SC_(1.5670445330545086723323795143598956428788609133377) } },
24 { { T(200) / 1024, SC_(1.5557071588766556854463404816624361127847775545087) } },
25 { { T(300) / 1024, SC_(1.5365278991162754883035625322482669608948678755743) } },
26 { { T(400) / 1024, SC_(1.5090417763083482272165682786143770446401437564021) } },
27 { { SC_(-0.5), SC_(1.4674622093394271554597952669909161360253617523272) } },
28 { { T(-600) / 1024, SC_(1.4257538571071297192428217218834579920545946473778) } },
29 { { T(-800) / 1024, SC_(1.2927868476159125056958680222998765985004489572909) } },
30 { { T(-900) / 1024, SC_(1.1966864890248739524112920627353824133420353430982) } },
31 } };
32
main()33 int main()
34 {
35 #include "ellint_e_data.ipp"
36
37 add_data(data2);
38 add_data(ellint_e_data);
39
40 unsigned data_total = data.size();
41
42 screen_data([](const std::vector<double>& v){ return boost::math::ellint_2(v[0]); }, [](const std::vector<double>& v){ return v[1]; });
43
44
45 #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
46 screen_data([](const std::vector<double>& v){ return std::tr1::comp_ellint_2(v[0]); }, [](const std::vector<double>& v){ return v[1]; });
47 #endif
48 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
49 screen_data([](const std::vector<double>& v){ return gsl_sf_ellint_Ecomp(v[0], GSL_PREC_DOUBLE); }, [](const std::vector<double>& v){ return v[1]; });
50 #endif
51
52 unsigned data_used = data.size();
53 std::string function = "ellint_2 (complete)[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
54 std::string function_short = "ellint_2 (complete)";
55
56 double time;
57
58 time = exec_timed_test([](const std::vector<double>& v){ return boost::math::ellint_2(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[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::comp_ellint_2(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_Ecomp(v[0], 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
94