Path: blob/master/sage/graphs/graph_decompositions/rankwidth.pxd
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cdef extern from *:
ctypedef int uint_fast8_t "uint_fast8_t"
ctypedef int uint_fast8 "uint_fast8"
ctypedef int uint_fast32_t "uint_fast32_t"
ctypedef int subset_t "uint_least32_t"
cdef extern from "rankwidth_c/rw.h":
int init_rw_dec(uint_fast8_t n)
void destroy_rw()
void calculate_level(uint_fast8_t subset_size)
uint_fast8_t get_rw()
subset_t *cslots
subset_t *slots
subset_t *adjacency_matrix
cdef extern from "rankwidth_c/rw.c":
uint_fast8_t subset_size
uint_fast8_t num_vertices
cdef void set_am(int i, int j, int val)
cdef void print_rank_dec(subset_t s, int l)