MEDCOUPLING_EXPORT bool removeDegenerated1DCells();
MEDCOUPLING_EXPORT void are2DCellsNotCorrectlyOriented(const double *vec, bool polyOnly, std::vector<mcIdType>& cells) const;
MEDCOUPLING_EXPORT void orientCorrectly2DCells(const double *vec, bool polyOnly);
MEDCOUPLING_EXPORT bool removeDegenerated1DCells();
MEDCOUPLING_EXPORT void are2DCellsNotCorrectlyOriented(const double *vec, bool polyOnly, std::vector<mcIdType>& cells) const;
MEDCOUPLING_EXPORT void orientCorrectly2DCells(const double *vec, bool polyOnly);