On Tue, 23 Sep 2025 17:11:01 GMT, Raffaello Giulietti <[email protected]> wrote:
> I checked 754-2008, which requires a 0 sign bit, and 754-1985 (reaffirmed in > 1990), which in the annex on recommended functions reads > > > Copysign(x,y) returns x with the sign of y. Hence, abs(x) = > > copysign(x,1.0), even it x is NaN. > > So it seems that hardware that does not behave this way is not compliant. I'm > curious what other platforms specify. Let me do some more research and get back. ------------- PR Comment: https://git.openjdk.org/jdk/pull/27443#issuecomment-3325792856
