Low dimensional matrices, vectors, quaternions and a cubic equation

[Lars T. Kyllingstad]

#ponce wrote:
> I don't know if this help, but here is a subset of my "math" package I've used in real-time applications.
> 
> http://ponce.paradisia.net/temp/math_package.zip
> 
> Such code is absolutely not what one would expect to find in a standard library (lots of assembly, almost no std.math, no safety-checks, no clever templates) but it works for me. You may find some useful parts in it.
> 
> Maybe merging the good ideas of OMG, Yage, your code, etc... (and sorting out licences "problems")... would lead to a better low-dimensionnal math package class.
> 
> Thingsq important to me:
> - expressivity

I like this (from your math.vec3 module):

   struct vec3(T)
   {
      union
      {
          struct { T x, y, z; }
          T[3] v;
      }
      ...
   }

That's a pretty neat trick. :)  I didn't even know anonymous unions were 
possible.

-Lars