RoaringBitmap / RoaringBitmap/roaring
FeatureRequest: Rank with a range
Open
Nobody has claimed this yet.
- Dominant language
- Go
- Stars
- 2.9k
- Forks
- 262
- Avg merge
- 2h 34m
- Merged PRs (30d)
- 8
Description
func (rb *Bitmap) Rank(x uint64) uint64 is good.
But I just need Rank(end)-Rank(start) to be O(end-start), not O(end)
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the implementation and tests for func (rb *Bitmap) Rank(x uint64). Determine how a range-ranking operation could provide Rank(end)-Rank(start) in O(end-start), then add coverage demonstrating the requested complexity and result.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- go
- Domain
- api
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100