Re: [Boost-bugs] [Boost C++ Libraries] #2228: signed overflow problem in weighted_sum on VC9.0

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #2228: signed overflow problem in weighted_sum on VC9.0
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2008-08-19 16:06:05

#2228: signed overflow problem in weighted_sum on VC9.0
---------------------------+------------------------------------------------
  Reporter:  pavol_droba   |       Owner:  eric_niebler
      Type:  Bugs          |      Status:  closed      
 Milestone:  Boost 1.36.0  |   Component:  accumulator 
   Version:  Boost 1.36.0  |    Severity:  Problem     
Resolution:  invalid       |    Keywords:              
---------------------------+------------------------------------------------
Changes (by eric_niebler):

  * status:  new => closed
  * resolution:  => invalid

Comment:

 This is not a bug. The sample is multiplied by the weight. In C++, and int
 multiplied by an unsigned int is an unsigned int. (Try it and see.)

 If you want the result to be an int, use an int for the weight type.

-- 
Ticket URL: <http://svn.boost.org/trac/boost/ticket/2228#comment:1>
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