The Fritsh-Carlson conditions aren't applied correctly in applyMonotonicCondition (or in it's predecessor MakeMonotonicSpline), and this causes a smallish fraction of the spline to be not quite mon...
In [Bicubic.cpp](https://github.com/gundam-organization/gundam/blob/main/src/DialDictionary/DialDefinitions/src/Bicubic.cpp):
- On line 31, it should be `h2_.GetYaxis()->GetBinCenter(**ny**)` inste...
Even if this is a debugging feature, I am wondering about side effects. What happens to the interpolation if there are no limits. Is the interpolation still linear outside the boundaries if the lim...