scikit-image

1
"""Export fast union find in Cython"""
2
cimport numpy as cnp
3

4
ctypedef cnp.intp_t DTYPE_t
5

6
cdef DTYPE_t find_root(DTYPE_t *forest, DTYPE_t n) noexcept nogil
7
cdef void set_root(DTYPE_t *forest, DTYPE_t n, DTYPE_t root) noexcept nogil
8
cdef void join_trees(DTYPE_t *forest, DTYPE_t n, DTYPE_t m) noexcept nogil
9