Re: [Boost-users] boost::format help to format doubles.

Subject: Re: [Boost-users] boost::format help to format doubles.
From: Surya Kiran Gullapalli (suryakiran.gullapalli_at_[hidden])
Date: 2010-06-09 03:50:42

On Tue, Jun 8, 2010 at 07:18, Mauricio Gomes <mgpensar_at_[hidden]> wrote:

> Hi
>
> I read the documentation and looked for some examples but I was not
> able to come up with a format string to do this:
>
> Format a double using desired grouping char and decimal separator.
>
> So 1234567.89 should print 1,234,567.89
>
> First, how can I specify the usage of the grouping char ? sprintf uses
> the ' char but it gave me invalid format string every time I tried to
> use it.
> Also how can I specify the grouping char and decimal separator ? By
> setting the locale ?
>
> An example would be great.
>
>        std::stringstream ss2;
>        ss2 << boost::format ("%|.2f|") % src.get_valor_total ();
>        String svalor_total = ss2.str ();
>
> Thank you in advance for your attention,
> Mau.
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Does std::numpunct_byname help ?

Surya