[vtkusers] vtkstd::string from string to numers

[David Doria]

On Sat, Feb 20, 2010 at 8:42 AM, Giancarlo Amati <ilferraresebono at hotmail.it
> wrote:

>  Hello Users,
>
> is thre any functions in the std::string  which converts strings into
> correspondent numbers?
>
> I mean "123.40" = double 123.40
>
> Many thanks.
> GC.
>

You should use string streams:

#include <sstream>

  std::string strNumber = "23.4";
  std::cout << "strNumber = " << strNumber << std::endl;
  std::stringstream ss;
  ss << strNumber;
  double dNumber;
  ss >> dNumber;
  std::cout << "dNumber = " << dNumber << std::endl;

Thanks,

David
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20100220/82b8135f/attachment.htm>