On Fri, 22 Sep 2023 15:48:26 GMT, Raffaello Giulietti <rgiulie...@openjdk.org> wrote:
> Both `Math.cos` and `StrictMath.cos` produce the correctly rounded result > here. I don't know why the paper says otherwise. Perhaps OpenLibm is not > exactly fdlibm. I've looked a bit over the OpenLibm changelog. They've added a few special cases for exp and pow as leaset. OpenLibm itself is a direct derivative of one of the BSD math libraries, which in turn was derived from FDLIBM. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/15879#discussion_r1501077887