Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Merge gdtoa-20110304.
This commit was generated by cvs2svn to compensate for changes in r165743,which included commits to RCS files with non-trunk default branches.
Import of the latest gdtoa sources, which include fixes for minorproblems relating to NaNs and rounding.
Initial import of David Gay's gdtoa library for conversion betweenstrings and floating point.