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fix: return 0 or 1 from Chi and Gamma cdf/sf when the argument under/overflows - #475

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youdie006 wants to merge 3 commits into

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youdie006:cdf-sf-argument-overflow

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fix: return 0 or 1 from Chi and Gamma cdf/sf when the argument under/overflows#475
youdie006 wants to merge 3 commits into
statrs-dev:mainfrom
youdie006:cdf-sf-argument-overflow

Commits on Sep 28, 2026
- fix: return 0 or 1 from Chi and Gamma cdf/sf when the argument under/overflows
  youdie006
  committed
  bd26b8e
Commits on Oct 28, 2026
- fix: accept x = 0 in gamma_lr/gamma_ur and keep Chi::cdf accurate for tiny x
  youdie006
  committed
  5ff489d
Commits on Oct 29, 2026
- fix: return 0 from gamma_li at x = 0 when gamma(a) overflows
  youdie006
  committed
  73f14f4