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u/time: Make defines more readable and add more defines

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This commit is contained in:
Jakob Bornecrantz 2021-02-24 03:50:07 +00:00
parent 69eebb49e2
commit 55c7690185
1 changed files with 20 additions and 3 deletions

23
src/xrt/auxiliary/util/u_time.h
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@ -24,13 +24,30 @@
extern "C" {
#endif
//! Helper define to make code more readable.
#define U_1_000_000_000 (1000000000)
/*!
* The number of nanoseconds in a second.
*
* @see timepoint_ns
* @ingroup time_ns_to_s
*/
#define U_1_000_000_000 (1000000000)
#define U_TIME_1S_IN_NS U_1_000_000_000
/*!
* The number of nanoseconds in a milliseconds.
*
* @see timepoint_ns
*/
#define U_TIME_1MS_IN_NS (U_TIME_1S_IN_NS / 1000)
/*!
* The number of nanoseconds in half a milliseconds.
*
* @see timepoint_ns
*/
#define U_TIME_HALF_MS_IN_NS (U_TIME_1MS_IN_NS / 2)
/*!
* Integer timestamp type.
@ -61,7 +78,7 @@ typedef int64_t time_duration_ns;
static inline double
time_ns_to_s(time_duration_ns ns)
{
return (double)(ns) / (double)U_1_000_000_000;
return (double)(ns) / (double)U_TIME_1S_IN_NS;
}
/*!
@ -73,7 +90,7 @@ time_ns_to_s(time_duration_ns ns)
static inline time_duration_ns
time_s_to_ns(double duration)
{
return (time_duration_ns)(duration * (double)U_1_000_000_000);
return (time_duration_ns)(duration * (double)U_TIME_1S_IN_NS);
}
/*!