[Boost-bugs] [Boost C++ Libraries] #4784: numeric/interval/hw_rounding for __amd64__

Subject: [Boost-bugs] [Boost C++ Libraries] #4784: numeric/interval/hw_rounding for __amd64__
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2010-10-25 02:51:02

#4784: numeric/interval/hw_rounding for __amd64__
 Reporter: Jim Bell <jim@…> | Owner:
     Type: Tasks | Status: new
Milestone: To Be Determined | Component: None
  Version: Boost Development Trunk | Severity: Problem
 Keywords: hardware rounding control __amd64__ |
 Interval fails regression tests requiring
 numeric/interval/hw_rounding.hpp. It gives
 ../boost/numeric/interval/hw_rounding.hpp:40:4: error: #error
 Boost.Numeric.Interval: Please specify rounding control mechanism.

 My compiler defines __amd64__ (note the double underscores before and
 after). How do I determine the hardware rounding control mechanism?

 Here's [http://support.amd.com/us/Processor_TechDocs/24592.pdf the AMD64
 manual (pdf)], but I don't understand things well enough to say which
 mechanism it uses.

Ticket URL: <https://svn.boost.org/trac/boost/ticket/4784>
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