from pandas._libs.dtypes cimport ( numeric_object_t, numeric_t, ) cdef numeric_t kth_smallest_c(numeric_t* arr, Py_ssize_t k, Py_ssize_t n) noexcept nogil cdef enum TiebreakEnumType: TIEBREAK_AVERAGE TIEBREAK_MIN, TIEBREAK_MAX TIEBREAK_FIRST TIEBREAK_FIRST_DESCENDING TIEBREAK_DENSE cdef numeric_object_t get_rank_nan_fill_val( bint rank_nans_highest, numeric_object_t val, bint is_datetimelike=*, )