if the chemical shift observed has a negative value if it is large enough it should be limited by the tanh roll-off function this is only occurring for positive errors
To maintain compatibility with the GB3 10 step energy and forces test data set (which is currently hard to reproduce) we have to add a compatibility flag...
if the chemical shift observed has a negative value if it is large enough it should be limited by the tanh roll-off function this is only occurring for positive errors