in qf.go [159:168]
func (qf *Filter) initForQuotientBits(qBits uint) {
qf.qBits = qBits
qf.rBits, qf.rMask, qf.size = initForQuotientBits(qBits)
qf.rBits = (bitsPerWord - qBits)
qf.rMask = 0
for i := uint(0); i < qf.rBits; i++ {
qf.rMask |= 1 << i
}
qf.maxEntries = uint64(math.Ceil(float64(qf.size) * MaxLoadingFactor))
}