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Clarify how the initial value is converted down to the given number of significant digits in Kernel.BigDecimal #165

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manueljacob opened this issue Feb 21, 2020 · 0 comments

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@manueljacob
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The digits parameter of Kernel#BigDecimal is documented like this:

The number of significant digits, as an Integer. If omitted or 0, the number of significant digits is determined from the initial value.

However, it’s not specified how the initial value is converted down to the given number of significant digits in Kernel.BigDecimal. It seems like the value is rounded (instead of truncated, floored or ceiled), but it’s not clear from the documentation.

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