fix(gfql/cypher): neo4j round() tie-breaking + lower/upper GQL aliases (#1673)#1677

Merged

lmeyerov merged 9 commits into

dev/gfql-cypher-std-conformance

Jul 5, 2026

Commits on Jul 5, 2026

fix(gfql/cypher): neo4j round() tie-breaking + lower/upper GQL aliases (#1673 standards vetting)

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fix(gfql/cypher): round() review hardening — ulp-correct kernel, negative-precision decline, CI polars lane

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test(gfql/conformance): matrix cases for the lower/upper GQL aliases

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fix(gfql/cypher): round() review wave 1 — polars>=1.29 floor, large-p identity, -0.0 normalize, tie/hazard matrix

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fix(gfql/cypher): round() wave-2 — polars p>308 identity guard, real p>0 ties in hazard set, warning hygiene

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docs(changelog): drop wave-1-worded =~ entry duplicated by the cascade keep-both

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fix(gfql/cypher): round() wave-3 — widen errstate over the guarded overflow window

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fix(gfql/cypher): round() — symmetric errstate over the p=0 branch (wave-4 suggestion)

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test(gfql/cypher): parameterize vals() return type (-> List[Any], was bare list)

lmeyerov
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