426     fx32    diff;  in VEC_Distance()  local
431     diff = v1->x - v2->x;  in VEC_Distance()
432     tmp = (fx64)diff *diff;  in VEC_Distance()
434     diff = v1->y - v2->y;  in VEC_Distance()
435     tmp += (fx64)diff *diff;  in VEC_Distance()
437     diff = v1->z - v2->z;  in VEC_Distance()
438     tmp += (fx64)diff *diff;  in VEC_Distance()
459     fx32    diff;  in VEC_Fx16Distance()  local
464     diff = v1->x - v2->x;  in VEC_Fx16Distance()
465     tmp = diff * diff;  in VEC_Fx16Distance()
467     diff = v1->y - v2->y;  in VEC_Fx16Distance()
468     tmp += diff * diff;  in VEC_Fx16Distance()
470     diff = v1->z - v2->z;  in VEC_Fx16Distance()
471     tmp += diff * diff;  in VEC_Fx16Distance()