Re: [ros-users] Unable to get double parameters

Hi Armin,

You are right. With your hint it was quite easy

int main(int argc, char** argv)
{
    QApplication app( argc, argv, false );
    setlocale(LC_NUMERIC,"C");

resets the locale that is used for number formatting to "C"-locale. And
now it works.

These little problems make live so colourful.

Regards
Christian
> Hi Christian!
>> I found out what the problem is. But I do not have a solution to it
>> right now.
>>
>> #include <ros/ros.h>
>> #include <QtGui>
> [...]
>
> Do you have any locale environment / language setting that uses "," as
> delimiter? I once ran into a very hard to find similar bug, where
> whenever I was using Qt somewhere, stream parsing in all code wanted my
> system locale (German, "1,5") instead of "1.5", happily changing all
> parameters when parsed.
>
> I don't remember exactly, but there's a way to explicitly set the locale
> back in the code or an environment variable if you're working on a
> non-English system.
>
> Best regards,
> Armin
>


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