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Avoid the cancellation of lgamma, lbeta and digamma differences at large shape parameters - #3434

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avehtari wants to merge 19 commits into

stable-beta-binomial-lpmf

Open

Avoid the cancellation of lgamma, lbeta and digamma differences at large shape parameters#3434
avehtari wants to merge 19 commits into
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stable-beta-binomial-lpmf

Commits on Oct 8, 2026
Commits on Oct 9, 2026
- Use the AgradRev fixture in the new rev tests and remove a C-style cast
  avehtari
  committed
  468ff26
Commits on Oct 12, 2026
- Compute the negative binomial GLM partials without exp(theta) and lchoose without rounding phi
  avehtari
  committed
  01c1a90
Commits on Oct 15, 2026
- Merge branch 'develop' into stable-beta-binomial-lpmf
  avehtari
  committed
  0377416
Commits on Oct 22, 2026
- Evaluate log(mu + phi) once in neg_binomial_2_lpmf when phi is autodiff
  avehtari
  committed
  1c8afb7
- Share exp(-|u|) and evaluate per-count terms once in neg_binomial_2_log_glm_lpmf
  avehtari
  committed
  c962588