/home/wiking/shogun/src/shogun/multiclass/KDTreeKNNsolver.cpp: In member function ‘virtual shogun::CMulticlassLabels* shogun::CKDTREEKNNSolver::classify_objects(shogun::CDistance*, int32_t, int32_t*, float64_t*) const’:
/home/wiking/shogun/src/shogun/multiclass/KDTreeKNNsolver.cpp:20:139: warning: declaration of ‘distance’ shadows a member of 'this' [-Wshadow]
 CMulticlassLabels* CKDTREEKNNSolver::classify_objects(CDistance* distance, const int32_t num_lab, int32_t* train_lab, float64_t* classes) const
                                                                                                                                           ^
/home/wiking/shogun/src/shogun/multiclass/KDTreeKNNsolver.cpp: In member function ‘virtual int32_t* shogun::CKDTREEKNNSolver::classify_objects_k(shogun::CDistance*, int32_t, int32_t*, int32_t*) const’:
/home/wiking/shogun/src/shogun/multiclass/KDTreeKNNsolver.cpp:47:129: warning: declaration of ‘distance’ shadows a member of 'this' [-Wshadow]
 int32_t* CKDTREEKNNSolver::classify_objects_k(CDistance* distance, const int32_t num_lab, int32_t* train_lab, int32_t* classes) const