[AutoSparkUT] Fix std variance floating overflow coverage#14762

Merged

wjxiz1992 merged 7 commits into

NVIDIA:mainfrom

wjxiz1992:fix/14681-std-variance-revans

May 15, 2026

Commits on May 11, 2026

docs: document std variance floating overflow incompatibility
wjxiz1992
committed

Commits on May 13, 2026

Address std variance overflow review
wjxiz1992
committed

Commits on May 14, 2026

Drop -Infinity sentinel and revert unrelated wraps
wjxiz1992
committed