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// Copyright John Maddock 2007.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include "required_defines.hpp"
#include <map>
#include <set>
#include <iostream>
#include <iomanip>
#include <string>
#include <cstring>
#include <boost/math/tools/config.hpp>
#include <boost/regex.hpp>
#include <boost/type_traits/is_same.hpp>
#include "performance_measure.hpp"
#include <boost/math/policies/policy.hpp>
#ifdef TEST_GSL
#include <gsl/gsl_errno.h>
#include <gsl/gsl_message.h>
#endif
extern void reference_evaluate();
std::map<std::string, double> times;
std::set<test_info> tests;
double total = 0;
int call_count = 0;
bool compiler_prefix = false;
std::set<test_info>& all_tests()
{
static std::set<test_info> i;
return i;
}
void add_new_test(test_info i)
{
all_tests().insert(i);
}
void set_call_count(int i)
{
call_count = i;
}
void show_help()
{
std::cout << "Specify on the command line which functions to test.\n"
"Available options are:\n";
std::set<test_info>::const_iterator i(all_tests().begin()), j(all_tests().end());
while(i != j)
{
std::cout << " --" << (*i).name << std::endl;
++i;
}
std::cout << "Or use --all to test everything." << std::endl;
std::cout << "You can also specify what to test as a regular expression,\n"
" for example --dist.* to test all the distributions." << std::endl;
}
void run_tests()
{
// Get time for empty proceedure:
double reference_time = performance_measure(reference_evaluate);
std::set<test_info>::const_iterator i, j;
for(i = tests.begin(), j = tests.end(); i != j; ++i)
{
std::string name;
if(compiler_prefix)
{
#if defined(BOOST_MSVC) && !defined(_DEBUG) && !defined(__ICL)
name = "msvc-";
#elif defined(BOOST_MSVC) && defined(_DEBUG) && !defined(__ICL)
name = "msvc-debug-";
#elif defined(__GNUC__)
name = "gcc-";
#elif defined(__ICL)
name = "intel-";
#elif defined(__ICC)
name = "intel-linux-";
#endif
}
name += i->name;
set_call_count(1);
std::cout << "Testing " << std::left << std::setw(50) << name << std::flush;
double time = performance_measure(i->proc) - reference_time;
time /= call_count;
std::cout << std::setprecision(3) << std::scientific << time << std::endl;
}
}
bool add_named_test(const char* name)
{
bool found = false;
boost::regex e(name);
std::set<test_info>::const_iterator a(all_tests().begin()), b(all_tests().end());
while(a != b)
{
if(regex_match((*a).name, e))
{
found = true;
tests.insert(*a);
}
++a;
}
return found;
}
void print_current_config()
{
std::cout << "Currently, polynomial evaluation uses method " << BOOST_MATH_POLY_METHOD << std::endl;
std::cout << "Currently, rational function evaluation uses method " << BOOST_MATH_RATIONAL_METHOD << std::endl;
if(BOOST_MATH_POLY_METHOD + BOOST_MATH_RATIONAL_METHOD > 0)
std::cout << "Currently, the largest order of polynomial or rational function"
" that uses a method other than 0, is " << BOOST_MATH_MAX_POLY_ORDER << std::endl;
bool uses_mixed_tables = boost::is_same<BOOST_MATH_INT_TABLE_TYPE(double, int), int>::value;
if(uses_mixed_tables)
std::cout << "Currently, rational functions with integer coefficients are evaluated using mixed integer/real arithmetic" << std::endl;
else
std::cout << "Currently, rational functions with integer coefficients are evaluated using all real arithmetic (integer coefficients are actually stored as reals)" << std::endl << std::endl;
std::cout << "Policies are currently set as follows:\n\n";
std::cout << "Policy Value\n";
std::cout << "BOOST_MATH_DOMAIN_ERROR_POLICY " << BOOST_STRINGIZE(BOOST_MATH_DOMAIN_ERROR_POLICY) << std::endl;
std::cout << "BOOST_MATH_POLE_ERROR_POLICY " << BOOST_STRINGIZE(BOOST_MATH_POLE_ERROR_POLICY) << std::endl;
std::cout << "BOOST_MATH_OVERFLOW_ERROR_POLICY " << BOOST_STRINGIZE(BOOST_MATH_OVERFLOW_ERROR_POLICY) << std::endl;
std::cout << "BOOST_MATH_UNDERFLOW_ERROR_POLICY " << BOOST_STRINGIZE(BOOST_MATH_UNDERFLOW_ERROR_POLICY) << std::endl;
std::cout << "BOOST_MATH_DENORM_ERROR_POLICY " << BOOST_STRINGIZE(BOOST_MATH_DENORM_ERROR_POLICY) << std::endl;
std::cout << "BOOST_MATH_EVALUATION_ERROR_POLICY " << BOOST_STRINGIZE(BOOST_MATH_EVALUATION_ERROR_POLICY) << std::endl;
std::cout << "BOOST_MATH_DIGITS10_POLICY " << BOOST_STRINGIZE(BOOST_MATH_DIGITS10_POLICY) << std::endl;
std::cout << "BOOST_MATH_PROMOTE_FLOAT_POLICY " << BOOST_STRINGIZE(BOOST_MATH_PROMOTE_FLOAT_POLICY) << std::endl;
std::cout << "BOOST_MATH_PROMOTE_DOUBLE_POLICY " << BOOST_STRINGIZE(BOOST_MATH_PROMOTE_DOUBLE_POLICY) << std::endl;
std::cout << "BOOST_MATH_DISCRETE_QUANTILE_POLICY " << BOOST_STRINGIZE(BOOST_MATH_DISCRETE_QUANTILE_POLICY) << std::endl;
std::cout << "BOOST_MATH_ASSERT_UNDEFINED_POLICY " << BOOST_STRINGIZE(BOOST_MATH_ASSERT_UNDEFINED_POLICY) << std::endl;
std::cout << "BOOST_MATH_MAX_SERIES_ITERATION_POLICY " << BOOST_STRINGIZE(BOOST_MATH_MAX_SERIES_ITERATION_POLICY) << std::endl;
std::cout << "BOOST_MATH_MAX_ROOT_ITERATION_POLICY " << BOOST_STRINGIZE(BOOST_MATH_MAX_ROOT_ITERATION_POLICY) << std::endl;
}
extern void sanity_check();
int main(int argc, const char** argv)
{
//sanity_check();
try{
#ifdef TEST_GSL
gsl_set_error_handler_off();
#endif
if(argc >= 2)
{
for(int i = 1; i < argc; ++i)
{
if(std::strcmp(argv[i], "--help") == 0)
{
show_help();
}
else if(std::strcmp(argv[i], "--tune") == 0)
{
print_current_config();
add_named_test("Polynomial-method-0");
add_named_test("Polynomial-method-1");
add_named_test("Polynomial-method-2");
add_named_test("Polynomial-method-3");
add_named_test("Polynomial-mixed-method-0");
add_named_test("Polynomial-mixed-method-1");
add_named_test("Polynomial-mixed-method-2");
add_named_test("Polynomial-mixed-method-3");
add_named_test("Rational-method-0");
add_named_test("Rational-method-1");
add_named_test("Rational-method-2");
add_named_test("Rational-method-3");
add_named_test("Rational-mixed-method-0");
add_named_test("Rational-mixed-method-1");
add_named_test("Rational-mixed-method-2");
add_named_test("Rational-mixed-method-3");
}
else if(std::strcmp(argv[i], "--all") == 0)
{
print_current_config();
std::set<test_info>::const_iterator a(all_tests().begin()), b(all_tests().end());
while(a != b)
{
tests.insert(*a);
++a;
}
}
else if(std::strcmp(argv[i], "--compiler-prefix") == 0)
{
compiler_prefix = true;
}
else
{
bool found = false;
if((argv[i][0] == '-') && (argv[i][1] == '-'))
{
found = add_named_test(argv[i] + 2);
}
if(!found)
{
std::cerr << "Unknown option: " << argv[i] << std::endl;
show_help();
return 1;
}
}
}
run_tests();
}
else
{
show_help();
}
//
// This is just to confuse the optimisers:
//
if(argc == 100000)
{
std::cerr << total << std::endl;
}
}
catch(const std::exception& e)
{
std::cerr << e.what() << std::endl;
}
return 0;
}
void consume_result(double x)
{
// Do nothing proceedure, don't let whole program optimisation
// optimise this away - doing so may cause false readings....
total += x;
}
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