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

Subject: Re: [Boost-users] [STL] Is there a std::abs<>() function? (Max)
From: Deane Yang (deane.yang_at_[hidden])
Date: 2008-12-23 10:28:08

Scott McMurray wrote:
> On Mon, Dec 22, 2008 at 21:06, Max <loadcom_at_[hidden]> wrote:
>> What I need is a template version of abs, not the
>> int abs(int) function, to make use of it genericly.
>>
> 
> Do you really need a template of it?  I can't see why using ADL
> wouldn't be enough (with a using declaration for std::abs, to catch
> the overloads for scalars from <cstdlib> and <cmath>).

I certainly use template versions of Max, Min, and AbsoluteValue, 
because I need them for user-defined classes (that represent real 
numbers) and not just for built-in types.