http://bugs.winehq.org/show_bug.cgi?id=11838
--- Comment #2 from Dan Kegel dank@kegel.com 2008-03-05 17:52:41 --- Created an attachment (id=11146) --> (http://bugs.winehq.org/attachment.cgi?id=11146) Simple patch to switch to atan2, which should be safer.