RFR: 8346914: UB issue in scalbnA

[David Holmes]

On Tue, 17 Jun 2025 22:24:09 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

> > Due to the testing problem...
> 
> Why not write a gtest for scalnbA?

Quite simply because I have no idea what the code does, nor how to effectively test it. Even exhaustive testing of inputs comparing the old code and new is not possible given we are dealing with a double input type and double return.

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PR Comment: https://git.openjdk.org/jdk/pull/25656#issuecomment-2982616036