Function my_time_fraction_remainder

sql/sql_time.h:151–155

Date/time rounding and truncation functions */

/* Date/time rounding and truncation functions */
inline long my_time_fraction_remainder(long nr, uint decimals)
{
  DBUG_ASSERT(decimals <= DATETIME_MAX_DECIMALS);
  return nr % (long) log_10_int[DATETIME_MAX_DECIMALS - decimals];
}
inline void my_time_trunc(MYSQL_TIME *ltime, uint decimals)
{
  ltime->second_part-= my_time_fraction_remainder(ltime->second_part, decimals);