Function setBitmapRangeAndCardinalityChange

util.go:193–198

(bitmap []uint64, start int, end int)

}

func setBitmapRangeAndCardinalityChange(bitmap []uint64, start int, end int) int {
	before := wordCardinalityForBitmapRange(bitmap, start, end)
	setBitmapRange(bitmap, start, end)
	after := wordCardinalityForBitmapRange(bitmap, start, end)
	return int(after - before)
}

func wordCardinalityForBitmapRange(bitmap []uint64, start int, end int) uint64 {
	answer := uint64(0)