[Boost-bugs] [Boost C++ Libraries] #2473: unsigned integers going into interval of doubles get wrongly negated

Subject: [Boost-bugs] [Boost C++ Libraries] #2473: unsigned integers going into interval of doubles get wrongly negated
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2008-11-04 13:12:15

#2473: unsigned integers going into interval of doubles get wrongly negated
-----------------------------------------------------+----------------------
 Reporter:  David Monniaux <David.Monniaux_at_[hidden]>  |       Owner:  bgubenko
     Type:  Bugs                                     |      Status:  new     
Milestone:  Boost 1.38.0                             |   Component:  interval
  Version:  Boost Development Trunk                  |    Severity:  Problem 
 Keywords:  unsigned                                 |  
-----------------------------------------------------+----------------------
 interval<double> x(1U) gets wrong lower bound (-2**32+1 instead of 1).
 Apparently, the unary - operation is performed on the unsigned int instead
 of the double.

 Workaround: manually cast to double before creating the interval.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/2473>
Boost C++ Libraries <http://www.boost.org/>
Boost provides free peer-reviewed portable C++ source libraries.