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Unexpected periodic fraction when substracting the integer from the single decimal place fraction #2856

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TokugawaTakeshi opened this issue Jan 29, 2024 · 3 comments
Open

Unexpected periodic fraction when substracting the integer from the single decimal place fraction #2856

TokugawaTakeshi opened this issue Jan 29, 2024 · 3 comments

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@TokugawaTakeshi
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TokugawaTakeshi commented Jan 29, 2024 •
edited

To reproduce:

p(1.4 - 1)

Current behavior:

0.399999999999999

Expected behavior:

0.4

Environment information:

  • stylus version: 0.58.1
  • nodejs version: 18.13.0

If you can not fix this issue in the near future, please at least explain me why it occurs.
Depending on the cause, I'll write some workaround function.
@iChenLei
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2024-01-29 19 14 56

Similar to the classical 0.1 + 0.2 issue, this is an inherent problem in JavaScript itself.

@vendethiel
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This is an IEEE754 behavior

@TokugawaTakeshi
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Thank you for the answer.
I'll close this issue soon, but before, would you please to share some links about this problem?

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@vendethiel @iChenLei @TokugawaTakeshi