Happy to help, Rob, not that I could help with your XS problem.

As to your question about using 64-bit integers on 32-bit machine, well that allows to exceed 2**32 :) (or, create situations like yours). Speaking of which ... a small thread on Google.

In reply to Re^3: Cygwin perl and (internal) numeric representations. by parv
in thread Cygwin perl and (internal) numeric representations. by syphilis

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