Re: [Boost-users] [STL] Is there a std::abs<>() function?

Subject: Re: [Boost-users] [STL] Is there a std::abs<>() function?
From: Anteru (newsgroups_at_[hidden])
Date: 2008-12-23 06:00:56

Max schrieb:
> Hello,
> 
> It's strange to me that there seems not to be a  std::abs<>() function
> in STL, with it I can write code like this:
> 
> double d = std::abs(-1.0);
> int i = std::abs(-1);
> 
> Does anybody else have the same feeling?

#include <cmath>
double d = std::abs (-1.0);

cmath pulls the standard math functions into the std namespace, and adds
a few overloads.

See for example:
http://www.dinkumware.com/manuals/?manual=compleat&page=math.html#abs

Cheers,
  Anteru