2012-11-15  Tobias Burnus  <burnus@net-b.de>
            Joseph Myers  <joseph@codesourcery.com>

        * math/fmaq.c (fmaq): Merge from GLIBC. Fix fma
        underflows with small x * y; Fix overflow results
        outside round-to-nearest mode; make use of Dekker
        and Knuth algorithms use round-to-nearest.


Co-Authored-By: Joseph Myers <joseph@codesourcery.com>

From-SVN: r193538