Function SizesForBitLen

pkg/util/bitarray/bitarray.go:312–320

SizesForBitLen computes the number of words and last bits used for the requested bit array size.

(bitLen uint)

// SizesForBitLen computes the number of words and last bits used for
// the requested bit array size.
func SizesForBitLen(bitLen uint) (uint, uint64) {
	// This computes ceil(bitLen / numBitsPerWord).
	numWords := (bitLen + numBitsPerWord - 1) / numBitsPerWord
	lastBitsUsed := uint64(bitLen % numBitsPerWord)
	if lastBitsUsed == 0 {
		lastBitsUsed = numBitsPerWord
	}
	return numWords, lastBitsUsed
}

// Parse parses a bit array from the specified string.
func Parse(s string) (res BitArray, err error) {