CLOCKS_PER_SEC

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< cpp | chrono | c

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C++
 
实用工具库
类型的支持 (basic types, RTTI, type traits)
动态内存管理
错误处理
程序实用工具
可变参数函数
日期和时间
函数对象
initializer_list（C++11）
bitset
hash（C++11）
关系运算符
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Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
双和元组
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Pairs and tuples
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pair
tuple（C++11）
piecewise_construct_t（C++11）
piecewise_construct（C++11）
掉期，远期和移动
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Swap, forward and move
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swap
forward（C++11）
move（C++11）
move_if_noexcept（C++11）
declval（C++11）
 
日期和时间工具
 
C-风格的日期和时间工具
功能
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Functions
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时间操作
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Time manipulation
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difftime
time
clock
格式转换
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Format conversions
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asctime
ctime
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常量
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Constants
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CLOCKS_PER_SEC
类型
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Types
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tm
time_t
clock_t
 
Defined in header <ctime>
#define CLOCKS_PER_SEC /*implementation defined*/
扩展的表达式类型（不一定是一个编译时常量）std::clock_t等于每秒滴答的时钟，返回的clock()的数量.
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Expands to an expression (not necessarily a compile-time constant) of type std::clock_t equal to the number of clock ticks per second, as returned by clock().
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[编辑] 注释

POSIX定义了一百万，无论CLOCKS_PER_SEC的实际精度std::clock.
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POSIX defines CLOCKS_PER_SEC as one million, regardless of the actual precision of std::clock.
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[编辑] 另请参阅
自启动程序时，返回原始的处理器时钟时间
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returns raw processor clock time since the program is started
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（函数） [edit]
处理的运行时间
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process running time
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（的typedef） [edit]
C documentation for CLOCKS_PER_SEC
来自“http://zh.cppreference.com/mwiki/index.php?title=cpp/chrono/c/CLOCKS_PER_SEC&oldid=27297”