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Output of fmt doesn't match C's printf for 'g' #1376

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Queueless opened this issue Oct 25, 2019 · 1 comment

Queueless commented Oct 25, 2019 •

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I'm replacing a home grown safe format library with fmt and here is a test case where the output doesn't match:

sprintf("%g", 0.000000456) -> 4.56e-07
fmt::sprintf("%g", 0.000000456) -> 4.56000e-07

I found that FMT_USE_GRISU set to zero fixes my problem, so this algorithm appears to not generate equivalent output.

vitaut added a commit that referenced this issue


          Don't emit trailing zeros in exponential notation (#1376)

40414b3

Contributor

vitaut commented Oct 28, 2019

Fixed in 40414b3. Thanks for reporting.

vitaut closed this as completed

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