fixed error in w_cut
fixed error in w_cut

MrTheodor/csg,votca/csg,MrTheodor/csg,votca/csg,junghans/csg,junghans/csg,MrTheodor/csg,richardjgowers/csg,MrTheodor/csg,junghans/csg,junghans/csg,richardjgowers/csg,junghans/csg,votca/csg,richardjgowers/csg,junghans/csg,MrTheodor/csg,richardjgowers/csg,votca/csg,richardjgowers/csg