Re: [Boost-users] Lexical_cast and hex number

Subject: Re: [Boost-users] Lexical_cast and hex number
From: 陳韋任 (chenwj_at_[hidden])
Date: 2010-12-02 19:17:41

Hi,

> It is possibile to transform a string representing a hexadecimal number in
> the format "0xnumber" or "number" (without "0x") in an integer with
> lexical_cast<>?

  In my experience, lexical_cast<> cannot transform a string
representing a hexadecimal number into an integer.

  unsigned int x = lexical_cast("0x0badc0de"); // throw bad_lexical_cast

  Instead of using lexical_cast<>, you should use stringstream to do
this kind of transform. For example, see the link below:

  http://stackoverflow.com/questions/1070497/c-convert-hex-string-to-signed-integer

Regards, 
chenwj
 
-- 
Wei-Ren Chen (陳韋任)
Tel:[phone] #1667
Parallel Processing Lab, Institute of Information Science,
  Academia Sinica, Taiwan (R.O.C.)