Improve floating point accuracy - #395

Merged

jgabry merged 22 commits into

improve-floating-point-accuracy

Sep 15, 2026

Commits on Sep 12, 2026

Commits on Sep 13, 2026

refactor: move new helper functions to helpers.R
avehtari
committed
572ae71

Commits on Sep 14, 2026

fix: handle equal infinite PSIS values
avehtari
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a336b76
fix: handle equal infinite stacking terms
avehtari
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9f4341f
fix: pass log-scale ELPD to moment matching MCSE
avehtari
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23005f4
fix: handle infinite log inputs
avehtari
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ea1cac4
fix: retain tiny positive MCSE deviations
avehtari
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912929c
perf: vectorize mcse_elpd and cheapen log-ratio validation
avehtari
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9ea4fb5
fix: propagate missing values through exp_diff_over_exp
avehtari
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374b8fa
fix: report -Inf log-likelihood errors in terms of the loo() input
avehtari
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bf22710
docs: note the normalized-weight assumption in the two-pass variances
avehtari
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4d884ce
style: match the surrounding blank-line spacing in the new tests
avehtari
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2d12c3f
test: name the importance sampling method in the -Inf log-ratio tests
avehtari
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32fad02