trueskill-tt

predict_* returns Ok on a NaN-poisoned fit, and eight # Errors sections do not match the code api bug docs

by logaritmisk was closed 2026-09-10 04:40:36 +00:00

History has no Debug, and trait impls are inconsistent across the public value types api enhancement

by logaritmisk was closed 2026-09-09 19:29:20 +00:00

Vocabulary: "rating" means three things, "sigma" means three things, and "agent" is a fourth word for competitor api docs

#75

by logaritmisk was closed 2026-09-09 21:23:17 +00:00

2

InferenceError: stringly-typed discriminators, and #[non_exhaustive] on the enum buys nothing while the variants lack it api breaking

#74

by logaritmisk was closed 2026-09-10 05:31:35 +00:00

2

Six exported types are unreachable from History — removing them shrinks the API for free api breaking refactor

#73

by logaritmisk was closed 2026-09-09 21:18:59 +00:00

2

Ergonomics: the first program a new user writes does not compile, and the fix is not discoverable api breaking

#72

by logaritmisk was closed 2026-09-10 04:49:47 +00:00

2

Gaussian's operators are EP internals wearing arithmetic's clothes, and / can return a confident wrong number api breaking bug

#71

by logaritmisk was closed 2026-09-09 21:13:14 +00:00

1

Accessors disagree on how they report an unknown key, and learning_curve cannot distinguish a typo from a registered competitor api breaking bug

#70

by logaritmisk was closed 2026-09-09 19:13:42 +00:00

2

Game has no public constructor — every Game::* returns OwnedGame api breaking

#69

by logaritmisk was closed 2026-09-09 20:55:10 +00:00

1

The Time generic is unreachable downstream — Untimed and custom timestamps cannot be used at all api breaking bug

#68

by logaritmisk was closed 2026-09-09 18:21:58 +00:00

A dropped EventBuilder silently ingests nothing — no #[must_use] api bug

#67

by logaritmisk was closed 2026-09-09 19:24:40 +00:00

1

log_evidence_for silently returns whole-history evidence for an unknown key api breaking bug

#66

by logaritmisk was closed 2026-09-09 19:13:42 +00:00

1

ConstantDrift(-x) is bit-identical to ConstantDrift(x) — seal the field api breaking bug

#65

by logaritmisk was closed 2026-09-09 17:14:39 +00:00

Gaussian::from_ms overflows for tiny sigma, and three constructors still absorb a negative sign silently api bug numerics

#61

by logaritmisk was closed 2026-09-09 16:10:51 +00:00

Declarative competitor configuration: HistoryBuilder::default_rating_for api decision enhancement

#53

by logaritmisk was closed 2026-09-10 05:17:18 +00:00

1

ITERATIONS = 30 is far too low for a dense history, and overrunning it fails quietly api docs

#50

by logaritmisk was closed 2026-09-08 19:01:23 +00:00

expected_information_gain is discrete-outcome only, so scored consumers cannot ask "which matchup next?" api enhancement

#49

by logaritmisk was closed 2026-09-08 00:08:36 +00:00

Every predict_* is a ranked outcome — there is no predictive distribution for a SCORE api enhancement

#48

by logaritmisk was closed 2026-09-08 00:02:21 +00:00

No joint posterior: anything derived from two or more competitors has to add marginals and overstate its width api enhancement numerics

#46

by logaritmisk was closed 2026-09-08 04:49:07 +00:00

2

UnknownKey reports indices, not the key — and rejecting the whole matchup is easy to swallow into a plausible constant api bug decision

#44

by logaritmisk was closed 2026-09-07 23:28:54 +00:00

1