RFR: 8346914: UB issue in scalbnA

[David Holmes]

On Tue, 17 Jun 2025 20:39:29 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

> We don't need copysignA. Just use copysign from <math.h>.
> 
> Rationale: Long ago we had our own copysign, because we couldn't get it from
<math.h>. 

Okay but do we know that what we have and what the math library provides are exactly the same?

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PR Comment: https://git.openjdk.org/jdk/pull/25656#issuecomment-2982617394