add epsilon to denominator to avoid potential Divide-By-Zero

As in title; pixel geometry building was previously causing an FPE overflow due to this.

added 21.9 label

This merge request affects 1 package:

• InnerDetector/InDetDetDescr/PixelLayouts/BarrelInclinedRef

Adding @goetz ,@battagl ,@sroe ,@stsuno as watchers

added InnerDetector review-pending-level-1 labels

CI Result SUCCESS (hash 87237cf6)

	Athena
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 11
For experts only: Jenkins output [CI-MERGE-REQUEST 43258]

Warning are from Muon system, so unrelated to this MR.

Cheers, Timo (L1)

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit e693f6fa

added sweep:ignore label

mentioned in merge request !31751 (merged)