[SERVER-38003] Upgrade S2 to at least HEAD Created: 07/Nov/18  Updated: 06/Dec/22  Resolved: 04/Feb/19

Status: Closed
Project: Core Server
Component/s: Internal Code
Affects Version/s: None
Fix Version/s: None

Type: Improvement Priority: Major - P3
Reporter: Mathew Robinson (Inactive) Assignee: DO NOT USE - Backlog - Dev Tools
Resolution: Won't Fix Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Developer Tools
Participants:

 Comments   
Comment by Billy Donahue [ 27/Mar/19 ]

Not reopening, but It may be possible to upgrade without affecting the validity of persisted data, because s2geometry makes firm guarantees about numerical stability in its computations. It deliberately works with a limited precision and a well-specified rounding implementation.

It would take a fair bit of homework to prove that such an upgrade is valid w.r.t. persisted data, but an upgrade is not as scary as it would be for a numerical computation library without such precision controls.

Comment by Sara Williamson [ 04/Feb/19 ]

Closing because persisted data depends on this, and there isn't a compelling reason to upgrade right now.

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