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CLOCKS_PER_SEC

From cppreference.com
< c‎ | chrono
Defined in header <time.h>
#define CLOCKS_PER_SEC /*implementation defined*/

Expands to an expression (not necessarily a compile-time constant) of type clock_t equal to the number of clock ticks per second, as returned by clock().

[edit] Notes

POSIX defines CLOCKS_PER_SEC as one million, regardless of the actual precision of clock.

[edit] References

  • C11 standard (ISO/IEC 9899:2011):
  • 7.27.1/2 Components of time (p: 388)
  • C99 standard (ISO/IEC 9899:1999):
  • 7.23.1/2 Components of time (p: 338)
  • C89/C90 standard (ISO/IEC 9899:1990):

[edit] See also

returns raw processor clock time since the program is started
(function) [edit]
processor time since era type
(typedef) [edit]
C++ documentation for CLOCKS_PER_SEC