RFR: 8341381: Random lines appear in graphic causing by the fix of JDK-8297230

[Kevin Rushforth]

On Mon, 13 Oct 2025 16:51:04 GMT, Laurent Bourgès <lbourges at openjdk.org> wrote:

>> - Fix cubic offsetting artefacts (sort cubic roots + fixed numerical accuracy problem in ROC^2-w^2 = 0 solver + fixed EliminateInf)
>> - Restored lower precision using ulp(float) in point, line or flat bezier curve checks
>
> Please review this fix...

@bourgesl PRs in client-libs require two reviewers. In the future, please wait for a second reviewer before integrating any PR.

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PR Comment: https://git.openjdk.org/jdk/pull/27641#issuecomment-3415345954