On Fri, 12 Jul 2024 14:22:33 GMT, fabioromano1 <d...@openjdk.org> wrote:
>> src/java.base/share/classes/java/math/MutableBigInteger.java line 2054: >> >>> 2052: >>> 2053: rem.add(ONE); >>> 2054: rem.subtract(twiceSqrt); >> >> Shouldn't these be `rem + twiceSqrt - 1`? > > No, because `rem` is unsigned, so to perform the correct computation you must > first add the absolute value of the addends with the same sign, and then > subtract the absolute value of those with opposite sign. Ah right, this is the semantics of `MBI.subtract`. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/19710#discussion_r1676082417