PSPP-BUG: [bug #41734] Handling of very large Values: pspp exports to e-notation, losing content

[Ben Pfaff]

Follow-up Comment #5, bug #41734 (project pspp):

> An example number is
> 100000000000000032,
> exported by pspp to
> 1.0000000000000003e+17 

PSPP is exporting this number with as many digits as required to fully express
the internal precision.  All of the numbers from 100000000000000030 to
100000000000000039 (and perhaps in a wider range) have exactly the same
representation in the 64-bit form used in the computer.  Adding a '2' at the
end does not indicate an additional digit of precision; on the contrary, it is
deceptive in that it claims some precision that is not there.

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