* A slight refactoring and extra data copies removing
0.6.0
* Add "axis" parameter for univariate/multivariate cases
0.5.0
* Reorganize the project to package-based structure * Add the interface class for all smoothing spline classes
0.4.2
* FIX: "smooth" value is 0.0 was not used
0.4.1
* First PyPI release
0.3.0
* Add `Real` pub trait. Trait `Real` is only implemented for `f32` and `f64`, including the traits needed for computing smoothing splines, manipulating n-d arrays and sparse matrices and also checking almost equality. * Use `thiserror` crate for errors management * Refactoring