in reply to What is the distinction between IV and NV variables?

Why is a NV and IV created in this case as opposed to just an IV?

PVNV scalars always have a field for an IV/UV/RV. The PVNV in question doesn't have an IV, though. (IOK is false.)

You actually want to know why a floating point is used (converting the PV scalar to a PVNV scalar) instead of an integer (which would convert the PV scalar to a PVIV scalar).

Don't know.

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