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_1.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>, 9> data2 = { {
21 { { SC_(0.0), SC_(1.5707963267948966192313216916397514420985846996876) } },
22 { { SC_(0.125), SC_(1.5769867712158131421244030532288080803822271060839) } },
23 { { SC_(0.25), SC_(1.5962422221317835101489690714979498795055744578951) } },
24 { { T(300) / 1024, SC_(1.6062331054696636704261124078746600894998873503208) } },
25 { { T(400) / 1024, SC_(1.6364782007562008756208066125715722889067992997614) } },
26 { { SC_(-0.5), SC_(1.6857503548125960428712036577990769895008008941411) } },
27 { { SC_(-0.75), SC_(1.9109897807518291965531482187613425592531451316788) } },
28 { { 1 - T(1) / 8, SC_(2.185488469278223686913080323730158689730428415766) } },
29 { { 1 - T(1) / 1024, SC_(4.5074135978990422666372495313621124487894807327687) } },
30 } };
31
main()32 int main()
33 {
34 #include "ellint_k_data.ipp"
35
36 add_data(data2);
37 add_data(ellint_k_data);
38
39 unsigned data_total = data.size();
40
41 screen_data([](const std::vector<double>& v){ return boost::math::ellint_1(v[0]); }, [](const std::vector<double>& v){ return v[1]; });
42
43
44 #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
45 screen_data([](const std::vector<double>& v){ return std::tr1::comp_ellint_1(v[0]); }, [](const std::vector<double>& v){ return v[1]; });
46 #endif
47 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
48 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]; });
49 #endif
50
51 unsigned data_used = data.size();
52 std::string function = "ellint_1 (complete)[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
53 std::string function_short = "ellint_1 (complete)";
54
55 double time;
56
57 time = exec_timed_test([](const std::vector<double>& v){ return boost::math::ellint_1(v[0]); });
58 std::cout << time << std::endl;
59 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
60 report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name());
61 #endif
62 report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name());
63 //
64 // Boost again, but with promotion to long double turned off:
65 //
66 #if !defined(COMPILER_COMPARISON_TABLES)
67 if(sizeof(long double) != sizeof(double))
68 {
69 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>())); });
70 std::cout << time << std::endl;
71 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
72 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>");
73 #endif
74 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>");
75 }
76 #endif
77
78
79 #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
80 time = exec_timed_test([](const std::vector<double>& v){ return std::tr1::comp_ellint_1(v[0]); });
81 std::cout << time << std::endl;
82 report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "tr1/cmath");
83 #endif
84 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
85 time = exec_timed_test([](const std::vector<double>& v){ return gsl_sf_ellint_Kcomp(v[0], GSL_PREC_DOUBLE); });
86 std::cout << time << std::endl;
87 report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "GSL " GSL_VERSION);
88 #endif
89
90 return 0;
91 }
92
93