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CLOCKS_PER_SEC

From cppreference.com
< cpp‎ | chrono‎ | c
 
 
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C-style date and time utilities
Functions
Time manipulation
(C++17)
Format conversions
Constants
CLOCKS_PER_SEC
Types
(C++17)
 
Defined in header <ctime>
#define CLOCKS_PER_SEC /* implementation-defined */

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 std::clock() .

[edit] Notes

POSIX defines CLOCKS_PER_SEC as 1'000'000, regardless of the actual precision of std::clock() .

[edit] Example

Run this code
#include <ctime>
#include <iostream>
#include <locale>
 
int main()
{
 const std::clock_t cps{CLOCKS_PER_SEC};
 std::cout.imbue(std::locale ("en_US.utf8"));
 std::cout << cps << '\n';
}

Possible output:

1,000,000

[edit] See also

returns raw processor clock time since the program is started
(function) [edit]
process running time
(typedef) [edit]
C documentation for CLOCKS_PER_SEC
Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/chrono/c/CLOCKS_PER_SEC&oldid=180493"

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