RFR: 8262744: Formatter '%g' conversion uses wrong format for BigDecimal rounding up to limits [v3]

[Ian Graves]

On Fri, 16 Apr 2021 16:08:53 GMT, Ian Graves <igraves at openjdk.org> wrote:

>> This fixes a bug where the formatting code for `%g` flags incorrectly tries to round `BigDecimal` after determining whether it should be a decimal numeric format or a scientific numeric format. The solution rounds before determining the correct format.
>
> Ian Graves has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Inlining some single use variables

That's correct. Passes `java.math` tests. Ran it again, just to be sure.

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PR: https://git.openjdk.java.net/jdk/pull/3363