Repository navigation

More stable logistic_lpdf/lcdf/lccdf computation - #3398

Draft

avehtari wants to merge 13 commits into

fix-fwd-tanh-corr-jacobianfrom

improve-logistic_lpdf-derivative-stability

Draft

More stable logistic_lpdf/lcdf/lccdf computation#3398
avehtari wants to merge 13 commits into
fix-fwd-tanh-corr-jacobianfrom
improve-logistic_lpdf-derivative-stability

Commits on Sep 13, 2026
Commits on Sep 14, 2026
- Stabilize logistic_cdf tails and derive all logistic_lpdf gradients from tanh
  avehtari
  committed
  fac79ff
- Merge branch 'improve-logistic_lpdf-derivative-stability' of github.com:stan-dev/math into improve-logistic_lpdf-derivative-stability
  avehtari
  committed
  18321ef
Commits on Sep 16, 2026
- Cut comments
  
  avehtari
  and
  andrjohns
  authored
  4b0034b
- Keep the logistic tail derivative on the log scale where inv_logit underflows
  avehtari
  committed
  6f54a4c
- Guard the OpenCL logistic tail derivative the same way as the CPU
  avehtari
  committed
  448dcc1
Commits on Oct 12, 2026