struct inheritance need?

[Christopher Wright]

Weed wrote:
> If I create struct MatrixStruct for compile-time matrix and class 
> MatrixClass for all other I will not be able to create a function of 
> interaction between these objects through the templates because some of 
> them will be announced before the other and it will not be able to get 
> another type of object in a template.
> 
> (I do not know, understand this long phrase on my strange English or 
> not? : ))

What operations do you need at compile time and what operations do you 
need at runtime?