feat: ✨ Add version method to cppfimdlp

src/fimdlp/cfimdlp.pyx

@@ -1,7 +1,7 @@
 # distutils: language = c++
 # cython: language_level = 3
 from libcpp.vector cimport vector
-from libcpp cimport bool
+from libcpp.string cimport string
 
 cdef extern from "../cppmdlp/CPPFImdlp.h" namespace "mdlp":
     ctypedef float precision_t
@@ -9,6 +9,7 @@ cdef extern from "../cppmdlp/CPPFImdlp.h" namespace "mdlp":
         CPPFImdlp(int) except + 
         CPPFImdlp& fit(vector[precision_t]&, vector[int]&)
         vector[precision_t] getCutPoints()
+        string version()
         
 
 cdef class CFImdlp:
@@ -22,4 +23,6 @@ cdef class CFImdlp:
         return self
     def get_cut_points(self):
         return self.thisptr.getCutPoints()
+    def get_version(self):
+        return self.thisptr.version()
  

src/fimdlp/mdlp.py

@@ -99,9 +99,15 @@ class FImdlp(TransformerMixin, BaseEstimator):
         return self
 
     def _fit_discretizer(self, feature):
-        self.discretizer_[feature] = CFImdlp(proposal=self.proposal)
-        self.discretizer_[feature].fit(self.X_[:, feature], self.y_)
-        self.cut_points_[feature] = self.discretizer_[feature].get_cut_points()
+        if feature in self.features_:
+            self.discretizer_[feature] = CFImdlp(proposal=self.proposal)
+            self.discretizer_[feature].fit(self.X_[:, feature], self.y_)
+            self.cut_points_[feature] = self.discretizer_[
+                feature
+            ].get_cut_points()
+        else:
+            self.discretizer_[feature] = None
+            self.cut_points_[feature] = []
 
     def _discretize_feature(self, feature, X, result):
         if feature in self.features_: