ID 274268 - F_Regrain nodes produce different results when copy and pasted

Problem summary
F_Regrain nodes produce different results when copy and pasted.

Customer reported version
nuke.10.5v1

Customer reported platform
n_a_linux

Steps to reproduce

1) Open Nuke

2) Create the below node tree:

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3) Move the Analysis Region of the F_ReGrain node, and Analyse the grain

4) Copy and paste the F_ReGrain node, attaching the same input connections, and connect it to the B input of the difference Merge node. The resulting image will show a difference between the two F_ReGrain nodes.

Workaround
If you manually enter the values for the Analysis Region of the F_ReGrain node, and set them to integers before copy and pasting, then there is no difference between the F_ReGrain outputs.

Reproduced by support
This problem has been reproduced on:
NukeStudio 10.5v3 - Windows 10 - MacOSX 10.12 - CentOS 6.8
NukeStudio 10.5v1 - Windows 10
NukeStudio 10.0v6 - Windows 10
NukeStudio 10.0v1 - Windows 10
NukeStudio 9.0v9 - Windows 10
NukeStudio 9.0v1 - Windows 10
Nuke 8.0v7 - Windows 10 - MacOSX 10.12 - CentOS 6.8


Expected behaviour
For the results between a copy and pasted F_ReGrain nodes to be the same.

Actual behaviour
They results were different