Re: Request för std::vector and possibly others: minimal initalization

Path	csiph.com!usenet.pasdenom.info!news.albasani.net!.POSTED!not-for-mail
From	Francis Glassborow<francis.glassborow@btinternet.com>
Newsgroups	comp.std.c++
Subject	Re: Request för std::vector and possibly others: minimal initalization
Date	Wed, 21 Mar 2012 11:35:07 -0700 (PDT)
Organization	unknown
Lines	16
Sender	std-cpp-request@vandevoorde.com
Approved	stephen.clamage@oracle.com
Message-ID	<vtidnTDJTMF2M_TSnZ2dnUVZ7sOdnZ2d@bt.com> (permalink)
References	<abf103e0-7005-47b4-9888-af946353a525@v22g2000vby.googlegroups.com>
NNTP-Posting-Host	1cu/qOB8gPGdcsfkiF5RHJ7JGpNa62RZcaFxu9+NITc=
Content-Type	text/plain; charset=ISO-8859-1; format=flowed
X-Trace	news.albasani.net 0pkYqFwDqvIdwUMi/YAp6zqSn4eNq8PQYEL2JzO3759bbk+z0sir/UlF7y4w4/e3+cizhRmBFZ5niTO1lyqYgw==
X-Complaints-To	abuse@albasani.net
NNTP-Posting-Date	Wed, 21 Mar 2012 18:35:11 +0000 (UTC)
X-Mailer	Perl5 Mail::Internet v2.05
X-Submission-Address	std-cpp-submit@vandevoorde.com
Cancel-Lock	sha1:7om0F6351Im7oYLAK3xG7ghcJhM=
X-Original-Date	Wed, 21 Mar 2012 10:35:16 +0000
Xref	csiph.com comp.std.c++:452

Show key headers only | View raw

On 20/03/2012 06:35, henrikv wrote:
>  Hello group!
>
>  When writing parallel code, I often allocate a vector for results. I
>  allocate the complete vector with a single resize. What I'd like to do
>  is to tell the resize not to initialize the content, since this will
>  be overwritten anyway.

Isn't that what reserve() is for?


-- 
[ comp.std.c++ is moderated.  To submit articles, try posting with your ]
[ newsreader.  If that fails, use mailto:std-cpp-submit@vandevoorde.com ]
[              --- Please see the FAQ before posting. ---               ]
[ FAQ: http://www.comeaucomputing.com/csc/faq.html                      ]

Back to comp.std.c++ | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Request för std::vector and possibly others: minimal initalization henrikv <henrik.vallgren@stream-space.com> - 2012-03-19 23:35 -0700
  Re: Request för std::vector and possibly others: minimal initalization Francis Glassborow<francis.glassborow@btinternet.com> - 2012-03-21 11:35 -0700
    Re: Request för std::vector and possibly others: minimal initalization henrikv<henrik.vallgren@stream-space.com> - 2012-03-23 17:09 -0700
      Re: Request för std::vector and possibly others: minimal initalization Daniel Krügler <daniel.kruegler@googlemail.com> - 2012-03-24 19:25 -0700
      Re: Request för std::vector and possibly others: minimal initalization Francis Glassborow <francis.glassborow@btinternet.com> - 2012-03-24 19:28 -0700
  Re: Request för std::vector and possibly others: minimal initalization Jason McKesson<jmckesson@gmail.com> - 2012-03-21 11:35 -0700
    Re: Request för std::vector and possibly others: minimal initalization henrikv<henrik.vallgren@stream-space.com> - 2012-03-23 17:10 -0700
      Re: Request för std::vector and possibly others: minimal initalization Jason McKesson<jmckesson@gmail.com> - 2012-03-24 17:55 -0700
      Re: Request for std::vector and possibly others: mi brangdon@cix.compulink.co.uk (Dave Harris) - 2012-03-24 19:24 -0700
      Re: Re: Request för std::vector and possibly others: minimal initalization jgk@panix.com (Joe keane) - 2012-03-27 12:10 -0700
    Re: Request för std::vector and possibly others: minimal initalization Kevin McCarty<kmccarty@gmail.com> - 2012-03-23 17:11 -0700
      Re: Request för std::vector and possibly others:   minimal initalization Miles Bader<miles@gnu.org> - 2012-03-24 17:55 -0700
        Re: Request för std::vector and possibly others: minimal initalization henrikv <henrik.vallgren@stream-space.com> - 2012-03-25 23:14 -0700
      Re: Request för std::vector and possibly others: minimal initalization Jason McKesson <jmckesson@gmail.com> - 2012-03-24 19:27 -0700
      Re: Request för std::vector and possibly others: minimal initalization Pedro Lamarão<pedro.lamarao@gmail.com> - 2012-03-29 12:28 -0700
        Re: Request för std::vector and possibly others: minimal initalization Daniel Krügler <daniel.kruegler@googlemail.com> - 2012-03-29 13:17 -0700

csiph-web