Performance issue with @fastmath and vectorization

[Kagamin via digitalmars-d-ldc]

On Saturday, 12 November 2016 at 18:55:19 UTC, Johan Engelen 
wrote:
> I am not enough of a D expert to come up with a good way to do 
> this.

Spec says pragma can be applied to statements: 
https://dlang.org/spec/pragma.html