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/**
* @file
*
* @brief Divide Timespec By Integer
*
* @ingroup Timespec
*/
/*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/timespec.h>
#include <rtems/score/todimpl.h>
void _Timespec_Divide_by_integer(
const struct timespec *time,
uint32_t iterations,
struct timespec *result
)
{
uint64_t t;
/*
* For math simplicity just convert the timespec to nanoseconds
* in a 64-bit integer.
*/
t = time->tv_sec;
t *= TOD_NANOSECONDS_PER_SECOND;
t += time->tv_nsec;
/*
* Divide to get nanoseconds per iteration
*/
t /= iterations;
/*
* Put it back in the timespec result
*/
result->tv_sec = t / TOD_NANOSECONDS_PER_SECOND;
result->tv_nsec = t % TOD_NANOSECONDS_PER_SECOND;
}
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