Searched refs:sigma2 (Results 1 - 1 of 1) sorted by relevance

/freebsd-13-stable/contrib/ntp/ntpd/
H A Drefclock_datum.c147 double sigma2; /* average squared error (roughly) */ member in struct:datum_pts_unit
250 datum_pts->sigma2 = 0.0; /* initialize the sigma2 to 0 */
751 if (datum_pts->sigma2 == 0.0) {
753 datum_pts->sigma2 = abserr*abserr;
755 datum_pts->sigma2 = DATUM_MAX_ERROR2;
759 datum_pts->sigma2 = 0.95*datum_pts->sigma2 + 0.05*abserr*abserr;
761 datum_pts->sigma2 = 0.95*datum_pts->sigma2
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