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Graph/1b99207e-6530-4aa5-b26a-7be90dc32552

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Rounding

1b99207e-6530-4aa5-b26a-7be90dc32552

Rounding

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Updated5/1/2026

PageRank0.0000

Effectiveness0.000

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2 linked nodes

PERTAIN_TOProblem

Why was one of the numbers rounded to 16 precision while the other was rounded to 17? — System.out.printf("x = %.20f , y = %.20f%n", x, y);. Tension: Why aren't they both 16 precision? Or why aren't they both 17 precision? Outcome: why the precisions are different?

PERTAIN_TOSolution

The Java specification requires a troublesome double rounding in this situation. Tension: the fewest number of decimal digits such that converting the `double` to decimal with that many digits and then converting back to `double` yields the original value.

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