More stable logistic_lpdf/lcdf/lccdf computation - #3398

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avehtari wants to merge 10 commits into

improve-logistic_lpdf-derivative-stability

Commits on Sep 13, 2026

Commits on Sep 14, 2026

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avehtari
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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