Date: Sun, 1 Apr 2018 22:42:27 +0200 From: Szabolcs Nagy <nsz@...t70.net> To: Alba Pompeo <albapompeo@...il.com> Cc: musl@...ts.openwall.com Subject: Re: musl libmath (implied algorithm issue) * Alba Pompeo <albapompeo@...il.com> [2018-04-01 10:54:54 -0300]: > I found a commit elsewhere that implies musl's fma algorithm is wrong. > You may be interested in investigating. > https://git.eigenstate.org/npnth/mc.git/commit/?h=libmath&id=debd13efe12eaca072229e9859aaa6df8708a09f thanks, it is a wrong result bug in fmaf, copied from freebsd. near half way cases may get incorrectly rounded under some circumstances, i didnt try to understand their fix, but used a minimal change for now. View attachment "0001-fix-fmaf-wrong-result.patch" of type "text/x-diff" (1420 bytes)
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.