[Bug other/55560] fesetround(FE_DOWNWARD) causes cos() to return values outside the range of -1 to +1

[joseph at codesourcery dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55560



--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot 
com> 2012-12-02 20:39:23 UTC ---

This would have been glibc bug 3976 which was fixed for cos by:



commit 804360ed837e3347c9cd9738f25345d2587a1242

Author: Joseph Myers <jos...@codesourcery.com>

Date:   Fri Mar 2 20:51:39 2012 +0000



    Fix sin, cos, tan in non-default rounding modes (bug 3976).