Implement unconstraining transform for LKJCorr#7380

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johncant wants to merge 14 commits intopymc-devs:mainfrom

johncant:fix_lkjcorr_positive_definiteness

Commits on Oct 29, 2025

Port TF bijector to ensure posdef LKJCorr samples

johncant
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jessegrabowski
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Use GPT o1 to finish PR.

twiecki
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jessegrabowski
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Linter fixes.

twiecki
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jessegrabowski
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Update doc string. Ask o1-mini to improve test.

twiecki
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jessegrabowski
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Finalize transformation
jessegrabowski
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Rename transformer to CholeskyCorrTransformer
jessegrabowski
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Blockwise PosDefMatrix check
jessegrabowski
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LKJCorr is always a matrix
jessegrabowski
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Don't flatten batch dims
jessegrabowski
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Test fixes
jessegrabowski
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Use scan to sample correlation matrices from LKJCorr
jessegrabowski
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Symbolic normalizing constant
jessegrabowski
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I love mypy
jessegrabowski
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Don't use ifelse
jessegrabowski
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