[boost] [numeric][interval] clang support patch

Subject: [boost] [numeric][interval] clang support patch
From: Jürgen Hunold (juergen.hunold_at_[hidden])
Date: 2011-10-11 07:07:36

Hi,

I've been running into the (in-)famous clang bug

http://llvm.org/bugs/show_bug.cgi?id=6907

which prevents 
detail/c99sub_rounding_control.hpp
from working.

Boost contains workaround code in 
<boost/detail/fenv.hpp>
which is used by the patch attached.

Ok to commit?

Yours,

Jürgen
-- 
Dipl.-Math. Jürgen Hunold       | IVE mbH
Software-Entwickler             | Lützerodestraße 10 
Tel: [phone]          | 30161 Hannover, Germany
Fax: [phone]          | http://www.ivembh.de
juergen.hunold_at_[hidden]        | 
                                | Geschäftsführer:
Sitz des Unternehmens: Hannover | Univ.-Prof. Dr.-Ing. Thomas Siefer               
Amtsgericht Hannover, HRB 56965 | PD Dr.-Ing. Alfons Radtke