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/bessel.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 
main()21 int main()
22 {
23 #include "sph_bessel_data.ipp"
24 
25    add_data(sph_bessel_data);
26 
27    unsigned data_total = data.size();
28 
29    screen_data([](const std::vector<double>& v){  return boost::math::sph_bessel(static_cast<int>(v[0]), v[1]);  }, [](const std::vector<double>& v){ return v[2];  });
30 
31 #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
32    screen_data([](const std::vector<double>& v){  return std::tr1::sph_bessel(static_cast<int>(v[0]), v[1]);  }, [](const std::vector<double>& v){ return v[2];  });
33 #endif
34 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
35    screen_data([](const std::vector<double>& v){  return gsl_sf_bessel_jl(static_cast<int>(v[0]), v[1]);  }, [](const std::vector<double>& v){ return v[2];  });
36 #endif
37 
38    unsigned data_used = data.size();
39    std::string function = "sph_bessel[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
40    std::string function_short = "sph_bessel";
41 
42    double time;
43 
44    time = exec_timed_test([](const std::vector<double>& v){  return boost::math::sph_bessel(static_cast<int>(v[0]), v[1]);  });
45    std::cout << time << std::endl;
46 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
47    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name());
48 #endif
49    report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name());
50    //
51    // Boost again, but with promotion to long double turned off:
52    //
53 #if !defined(COMPILER_COMPARISON_TABLES)
54    if(sizeof(long double) != sizeof(double))
55    {
56       time = exec_timed_test([](const std::vector<double>& v){  return boost::math::sph_bessel(static_cast<int>(v[0]), v[1], boost::math::policies::make_policy(boost::math::policies::promote_double<false>()));  });
57       std::cout << time << std::endl;
58 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
59       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>");
60 #endif
61       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>");
62    }
63 #endif
64 
65 
66 #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
67    time = exec_timed_test([](const std::vector<double>& v){  return std::tr1::sph_bessel(static_cast<int>(v[0]), v[1]);  });
68    std::cout << time << std::endl;
69    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "tr1/cmath");
70 #endif
71 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
72    time = exec_timed_test([](const std::vector<double>& v){  return gsl_sf_bessel_jl(static_cast<int>(v[0]), v[1]);  });
73    std::cout << time << std::endl;
74    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "GSL " GSL_VERSION);
75 #endif
76 
77 
78    return 0;
79 }
80 
81