[Development] QNumericVector<T>?

Thiago Macieira thiago.macieira at intel.com
Fri Jun 2 21:29:17 CEST 2017

On Friday, 2 June 2017 09:58:18 PDT Konstantin Tokarev wrote:
> 02.06.2017, 19:55, "Jason H" <jhihn at gmx.com>:
> > I'm just wondering out loud if it would be a good thing to have a numeric
> > vector type that supports math operations (and optionally will SIMD
> > accelerate them). Qt supports some fixed dimensionality vectors
> > (QVecorXD, x={2,3,4}). But this would add flexibility for say, machine
> > learning applications. The only collision that I know of is length()
> > where the existing fixed-dimension classes provide magnitude as length().
> > Additionally it may be useful to support non-Euclidean spaces, though I
> > wouldn't see much use beyond polar (haversine) distances and bearings.
> > 
> > Thoughts?
> Use Eigen?

There's a couple of classes in Qt3D that do 3D and 4D vectors with SSE2 and 
AVX2 acceleration, but I would really like you to use Eigen instead.

Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center

More information about the Development mailing list