No, there's nothing to worry about ( when doing floating point operations on < 52 bit ints stored in doubles ). Floating point errors come from the inability to represent a number accurately within the available precision. No error is loss when the number can be accurately represented within the available precision.

Update: Added the text in bold parens for clarity.

In reply to Re^4: Supporting long long types in XS (NV,PV) by ikegami
in thread Supporting long long types in XS by chrisdolan

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