Suspicious if/else constructs

[Dirk Hohndel]

> On Nov 19, 2017, at 4:20 AM, Berthold Stoeger <bstoeger at mail.tuwien.ac.at> wrote:
> 
> The few remaining gcc/g++ -Wall warnings seem all to be either style (operator 
> precedence) or irrelevant precision (weight certainly does not need more than 
> float precision) issues.

Feel free to send patches for the operator precedence issues. I tend to clean those
up every now and then, but I'm happy to see others do that as well

/D