DV-0068

ironcalc: numeric precision differs — GAMMALN, GAMMALN.PRECISE

Cause: precision
Category: value
Diverging engines: ironcalc
Behavior signature: -4.44089e-16
Test count: 2
Seeded: 2026-04-25
Last confirmed: 2026-04-25

Subjects (2)

GAMMALN GAMMALN.PRECISE

Tests (2)

matches canonical diverges no fixture in this DV's cluster

Test	Formula	Canonical	gsheets	excel	lattice	ironcalc	hyperformula	libreoffice	formulas	pycel
`math-longtail/4f03dc`	`=GAMMALN(1)`	0	gsheets0	excel0	lattice0	ironcalc-4.441e-16	hyperformula0	libreoffice0	formulas0	pycel#NAME?
`math-longtail/2db02c`	`=GAMMALN.PRECISE(1)`	0	gsheets0	excel0	lattice0	ironcalc-4.441e-16	hyperformula0	libreoffice#NAME?	formulas0	pycel#NAME?