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/laguerre.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 "laguerre3.ipp"
24 
25    add_data(laguerre3);
26 
27    unsigned data_total = data.size();
28 
29    screen_data([](const std::vector<double>& v){  return boost::math::laguerre(v[0], v[1], v[2]);  }, [](const std::vector<double>& v){ return v[3];  });
30 
31 
32 #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
33    screen_data([](const std::vector<double>& v){  return std::tr1::assoc_laguerre(v[0], v[1], v[2]);  }, [](const std::vector<double>& v){ return v[3];  });
34 #endif
35 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
36    screen_data([](const std::vector<double>& v){  return gsl_sf_laguerre_n(v[0], v[1], v[2]);  }, [](const std::vector<double>& v){ return v[3];  });
37 #endif
38 
39    unsigned data_used = data.size();
40    std::string function = "assoc_laguerre[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
41    std::string function_short = "assoc_laguerre";
42 
43    double time;
44 
45    time = exec_timed_test([](const std::vector<double>& v){  return boost::math::laguerre(v[0], v[1], v[2]);  });
46    std::cout << time << std::endl;
47 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
48    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name());
49 #endif
50    report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name());
51    //
52    // Boost again, but with promotion to long double turned off:
53    //
54 #if !defined(COMPILER_COMPARISON_TABLES)
55    if(sizeof(long double) != sizeof(double))
56    {
57       time = exec_timed_test([](const std::vector<double>& v){  return boost::math::laguerre(v[0], v[1], v[2], boost::math::policies::make_policy(boost::math::policies::promote_double<false>()));  });
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() + "[br]promote_double<false>");
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() + "[br]promote_double<false>");
63    }
64 #endif
65 
66 
67 #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
68    time = exec_timed_test([](const std::vector<double>& v){  return std::tr1::assoc_laguerre(v[0], v[1], v[2]);  });
69    std::cout << time << std::endl;
70    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "tr1/cmath");
71 #endif
72 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
73    time = exec_timed_test([](const std::vector<double>& v){  return gsl_sf_laguerre_n(v[0], v[1], v[2]);  });
74    std::cout << time << std::endl;
75    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "GSL " GSL_VERSION);
76 #endif
77 
78 
79    return 0;
80 }
81 
82