Re: [Boost-users] Constant floats

From: Cromwell Enage (sponage_at_[hidden])
Date: 2007-12-07 20:48:38

--- Robert Dailey wrote:
> Is there a way I can define constant floats
> within class scope like you can with integral
> values?  I was hoping boost could help in this
> area.  For example:
> 
> struct default_alpha
> {
>     static const float value = 1.0f;
> };
> 
> The above is not legal, of course.  Anyone?
> Thanks.

Not yet.  Work has been done to emulate compile-time
doubles via MPL, but it's currently sitting in the
vault:

http://www.boost-consulting.com/vault/

Look inside the Template Metaprogramming folder for
'mpl_math.zip'.  No docs yet, you'll have to rely on
the example programs to get yourself acquainted.

                              Cromwell D. Enage

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