Searched refs:isqrt (Results 1 - 4 of 4) sorted by relevance

/freebsd-current/sys/netpfil/ipfw/
H A Ddn_aqm_codel.c148 /* we don't calculate isqrt(1) to get more accurate result*/
150 /* prepare isqrt (old guess) for the next iteration i.e. 1/sqrt(2)*/
151 cst->isqrt = (1UL<< FIX_POINT_BITS) * 7/10;
152 /* return time + isqrt(1)*interval */
164 temp = (uint32_t) cst->isqrt * cst->isqrt;
177 temp = (cst->isqrt * temp) >> (FIX_POINT_BITS + FIX_POINT_BITS - 8);
178 cst->isqrt = temp;
H A Ddn_aqm_codel.h70 uint16_t isqrt; /* last isqrt for control low */ member in struct:codel_status
209 /* we don't have to set initial guess for Newton's method isqrt as
210 * we initilaize isqrt in control_law function when count == 1 */
/freebsd-current/sys/vm/
H A Dvm_pageout.c205 static u_int isqrt(u_int num);
958 isqrt(u_int num) function
1065 if (target == 0 && ndirty * isqrt(howmany(nfreed + 1,
/freebsd-current/stand/common/
H A Dgfx_fb.c1405 isqrt(int num) function
1504 ed = dx + dy == 0 ? 1: isqrt(dx * dx + dy * dy);
2029 return (isqrt(dp / di));

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