本文整理汇总了C++中boost::container::vector::size方法的典型用法代码示例。如果您正苦于以下问题：C++ vector::size方法的具体用法？C++ vector::size怎么用？C++ vector::size使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类boost::container::vector的用法示例。
在下文中一共展示了vector::size方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: fill_range_strings
void fill_range_strings()
{
boost::container::string model_s;
model_s.append(sizeof(boost::container::string), '*');
//sorted_unique_range_int
sorted_unique_range_string.resize(NElements);
std::stringstream sstr;
for(std::size_t i = 0, max = sorted_unique_range_string.size(); i != max; ++i){
sstr.str(std::string());
sstr << std::setfill('0') << std::setw(10) << i;
sorted_unique_range_string[i] = model_s;
const std::string &s = sstr.str();
sorted_unique_range_string[i].append(s.begin(), s.end());
}
//sorted_range_string
sorted_range_string = sorted_unique_range_string;
sorted_range_string.insert(sorted_range_string.end(), sorted_unique_range_string.begin(), sorted_unique_range_string.end());
std::sort(sorted_range_string.begin(), sorted_range_string.end());
//random_range_string
std::srand(0);
random_range_string.assign(sorted_range_string.begin(), sorted_range_string.end());
std::random_shuffle(random_range_string.begin(), random_range_string.end());
//random_unique_range_string
std::srand(0);
random_unique_range_string.assign(sorted_unique_range_string.begin(), sorted_unique_range_string.end());
std::random_shuffle(random_unique_range_string.begin(), random_unique_range_string.end());
}示例2: check_all_not_empty
bool check_all_not_empty(boost::container::vector< std::pair<Iterator, Iterator > > &iterator_pairs)
{
for(std::size_t i = 0, max = iterator_pairs.size(); i != max; ++i){
if(iterator_pairs[i].first == iterator_pairs[i].second)
return false;
}
return true;
}示例3: check_not_end
bool check_not_end(boost::container::vector<Iterator> &iterators, Iterator itend, std::size_t number_of_ends = 0)
{
std::size_t end_count = 0;
for(std::size_t i = 0, max = iterators.size(); i != max; ++i){
if(iterators[i] == itend && (++end_count > number_of_ends) )
return false;
}
return true;
}示例4: fill_range_ints
void fill_range_ints()
{
//sorted_unique_range_int
sorted_unique_range_int.resize(NElements);
for(std::size_t i = 0, max = sorted_unique_range_int.size(); i != max; ++i){
sorted_unique_range_int[i] = static_cast<int>(i);
}
//sorted_range_int
sorted_range_int = sorted_unique_range_int;
sorted_range_int.insert(sorted_range_int.end(), sorted_unique_range_int.begin(), sorted_unique_range_int.end());
std::sort(sorted_range_int.begin(), sorted_range_int.end());
//random_range_int
std::srand(0);
random_range_int.assign(sorted_range_int.begin(), sorted_range_int.end());
std::random_shuffle(random_range_int.begin(), random_range_int.end());
//random_unique_range_int
std::srand(0);
random_unique_range_int.assign(sorted_unique_range_int.begin(), sorted_unique_range_int.end());
std::random_shuffle(random_unique_range_int.begin(), random_unique_range_int.end());
}示例5: search_time
cpu_times search_time(boost::container::vector<typename C::value_type> &unique_range, const char *RangeType)
{
cpu_timer find_timer, lower_timer, upper_timer, equal_range_timer, count_timer;
C c(unique_range.begin(), unique_range.end());
cpu_timer total_time;
total_time.resume();
boost::container::vector<typename C::iterator> v_it(NElements);
boost::container::vector< std::pair<typename C::iterator, typename C::iterator> > v_itp(NElements);
for(std::size_t i = 0; i != NIter; ++i){
//Find
{
find_timer.resume();
for(std::size_t rep = 0; rep != 2; ++rep)
for(std::size_t i = 0, max = unique_range.size(); i != max; ++i){
v_it[i] = c.find(unique_range[i]);
}
find_timer.stop();
if(!check_not_end(v_it, c.end())){
std::cout << "ERROR! find all elements not found" << std::endl;
}
}
//Lower
{
lower_timer.resume();
for(std::size_t rep = 0; rep != 2; ++rep)
for(std::size_t i = 0, max = unique_range.size(); i != max; ++i){
v_it[i] = c.lower_bound(unique_range[i]);
}
lower_timer.stop();
if(!check_not_end(v_it, c.end())){
std::cout << "ERROR! lower_bound all elements not found" << std::endl;
}
}
//Upper
{
upper_timer.resume();
for(std::size_t rep = 0; rep != 2; ++rep)
for(std::size_t i = 0, max = unique_range.size(); i != max; ++i){
v_it[i] = c.upper_bound(unique_range[i]);
}
upper_timer.stop();
if(!check_not_end(v_it, c.end(), 1u)){
std::cout << "ERROR! upper_bound all elements not found" << std::endl;
}
}
//Equal
{
equal_range_timer.resume();
for(std::size_t rep = 0; rep != 2; ++rep)
for(std::size_t i = 0, max = unique_range.size(); i != max; ++i){
v_itp[i] = c.equal_range(unique_range[i]);
}
equal_range_timer.stop();
if(!check_all_not_empty(v_itp)){
std::cout << "ERROR! equal_range all elements not found" << std::endl;
}
}
//Count
{
std::size_t count = 0;
count_timer.resume();
for(std::size_t rep = 0; rep != 2; ++rep)
for(std::size_t i = 0, max = unique_range.size(); i != max; ++i){
count += c.count(unique_range[i]);
}
count_timer.stop();
if(count/2 != c.size()){
std::cout << "ERROR! count all elements not found" << std::endl;
}
}
}
total_time.stop();
std::cout << " Find " << RangeType << " " << boost::timer::format(find_timer.elapsed(), boost::timer::default_places, "%ws\n");
std::cout << " Lower Bound " << RangeType << " " << boost::timer::format(lower_timer.elapsed(), boost::timer::default_places, "%ws\n");
std::cout << " Upper Bound " << RangeType << " " << boost::timer::format(upper_timer.elapsed(), boost::timer::default_places, "%ws\n");
std::cout << " Equal Range " << RangeType << " " << boost::timer::format(equal_range_timer.elapsed(), boost::timer::default_places, "%ws\n");
std::cout << " Count " << RangeType << " " << boost::timer::format(count_timer.elapsed(), boost::timer::default_places, "%ws\n");
std::cout << " Total time = " << boost::timer::format(total_time.elapsed(), boost::timer::default_places, "%ws\n") << std::endl;
return total_time.elapsed();
}