On Tue, 15 Mar 2022 02:47:20 GMT, Xiaohong Gong <xg...@openjdk.org> wrote:
> Note that in terms of Java semantics, negation of floating point values needs
> to be implemented as subtraction from negative zero rather than positive zero:
>
> double negate(double arg) {return -0.0 - arg; }
>
> This is to handle signed zeros correctly.
This seems easy to be broken by an opt enhancement.
Just wondering do we have a jtreg test for this point? @jddarcy
Thanks.
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PR: https://git.openjdk.java.net/jdk/pull/7782
