void BKE_editmesh_cache_ensure_poly_centers(struct BMEditMesh *em, struct EditMeshData *emd)
void BKE_editmesh_cache_ensure_vert_normals(struct BMEditMesh *em, struct EditMeshData *emd)
void BKE_editmesh_cache_ensure_poly_normals(struct BMEditMesh *em, struct EditMeshData *emd)
bool BKE_editmesh_cache_calc_minmax(struct BMEditMesh *em, struct EditMeshData *emd, float min[3], float max[3])