Revision history for dunning-t-digest

0.1.0.0 -- 2025-06-01

• Initial release.
• Pure functional t-digest using finger trees (Data.TDigest.Dunning).
• Mutable t-digest using mutable vectors in ST (Data.TDigest.Dunning.Mutable).
• K1 (arcsine) scale function with O(log n) insertion and queries.
• O(δ log n) split-based compression.
• Freeze/thaw interop between pure and mutable variants.