[Cython] aritmetic with arrays in Cython

[Stefan Behnel]

Sturla Molden schrieb am 12.08.2014 um 17:18:
> But using Eigen will taint the output with Eigen's license

Which is ok for many users, definitely those who only run their own code
locally. And the others can eventually use a different backend.


> OTOH, Cilkplus is just a compiler extension for C and C++. 

Which isn't available in all compilers. But anyway, if you write the code,
I have no problem with Cilkplus becoming the first backend to support.

Stefan