On Fri, 23 Aug 2024 19:01:11 GMT, Roger Riggs <rri...@openjdk.org> wrote:

>> src/java.base/share/classes/java/text/CompactNumberFormat.java line 905:
>> 
>>> 903:                 divisor = divisors.get(++compactDataIndex);
>>> 904:             }
>>> 905:             var noFraction = number.mod(new 
>>> BigInteger(divisor.toString()))
>> 
>> Why not create the BigInteger from the `divisor.longValue()`.
>> I see the pattern formatting to a string and BigInteger re-parsing it but 
>> why?
>
> I guess the range of the divisor may be bigger than a long.

That is my thinking too. Compact format is supposed to deal with big numbers, 
it can go beyond the range of a long.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20680#discussion_r1729523116

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