tree_order_statistics_test.hpp [plain text]
#ifndef PB_DS_TREE_ORDER_STATISTICS_TEST_HPP
#define PB_DS_TREE_ORDER_STATISTICS_TEST_HPP
#include <performance/time/timing_test_base.hpp>
#include <performance/io/xml_formatter.hpp>
#include <common_type/assoc/string_form.hpp>
#include <iterator>
namespace pb_ds
{
namespace test
{
namespace detail
{
#define PB_DS_STATIC_ASSERT(UNIQUE, E) \
typedef \
pb_ds::detail::static_assert_dumclass<sizeof(pb_ds::detail::static_assert<(bool)(E)>)> UNIQUE##static_assert_type
template<typename Cntnr, bool Native>
class order_statistics_functor
{
public:
order_statistics_functor(Cntnr& container) : m_r_container(container)
{ }
void
operator()(std::size_t resolution)
{
enum
{
support_detected =
pb_ds::test::detail::tree_supports_order_statistics<Cntnr>::value
};
PB_DS_STATIC_ASSERT(correct_type, support_detected);
for (std::size_t i = 0; i < resolution; ++i)
{
typename Cntnr::const_iterator it = m_r_container.begin();
typename Cntnr::const_iterator e = m_r_container.end();
const size_t max_size = m_r_container.size();
while (it != e)
if (m_r_container.order_of_key(*(it++)) > max_size)
abort();
}
}
private:
Cntnr& m_r_container;
};
template<typename Cntnr>
class order_statistics_functor<Cntnr, false>
{
public:
order_statistics_functor(Cntnr& container) : m_r_container(container)
{ }
void
operator()(std::size_t resolution)
{
for (std::size_t i = 0; i < resolution; ++i)
{
typedef typename Cntnr::const_iterator const_iterator;
const_iterator b = m_r_container.begin();
const_iterator e = m_r_container.end();
const_iterator it = b;
const size_t max_size = m_r_container.size();
while (it != e)
{
const_iterator f_it = m_r_container.find(*(it++));
if (static_cast<size_t>(std::distance(b, f_it)) > max_size)
abort();
}
}
}
private:
Cntnr& m_r_container;
};
}
template<bool Support_Order_Statistics>
class tree_order_statistics_test
: private pb_ds::test::detail::timing_test_base
{
public:
tree_order_statistics_test(size_t vn, size_t vs, size_t vm)
: m_vn(vn), m_vs(vs), m_vm(vm)
{ }
template<typename Cntnr>
void
operator()(Cntnr);
private:
tree_order_statistics_test(const tree_order_statistics_test& );
template<typename Cntnr>
void
order_statistics(Cntnr& r_container, pb_ds::detail::true_type);
template<typename Cntnr>
void
order_statistics(Cntnr& r_container, pb_ds::detail::false_type);
private:
const size_t m_vn;
const size_t m_vs;
const size_t m_vm;
};
template<bool Support_Order_Statistics>
template<typename Cntnr>
void
tree_order_statistics_test<Support_Order_Statistics>::
operator()(Cntnr)
{
typedef xml_result_set_performance_formatter formatter_type;
formatter_type res_set_fmt(string_form<Cntnr>::name(),
string_form<Cntnr>::desc());
for (size_t v = m_vn; v < m_vm; v += m_vs)
{
Cntnr cntnr;
for (size_t ins = 0; ins < v; ++ ins)
cntnr.insert((typename Cntnr::value_type)ins);
pb_ds::test::detail::order_statistics_functor<Cntnr, Support_Order_Statistics>
fn(cntnr);
const double res =
pb_ds::test::detail::timing_test_base::operator()(fn);
res_set_fmt.add_res(v, res / v);
}
}
} }
#endif