hnsw_wrapper.h

// hnsw_wrapper.h
#ifdef __cplusplus
extern "C" {
#endif
  typedef void* HNSW;
  HNSW initHNSW(int dim, unsigned long long int max_elements, int M, int ef_construction, int rand_seed, char stype);
  HNSW loadHNSW(char *location, int dim, char stype);
  HNSW saveHNSW(HNSW index, char *location);
  void freeHNSW(HNSW index);
  void addPoint(HNSW index, float *vec, unsigned long long int label);
  int searchKnn(HNSW index, float *vec, int N, unsigned long long int *label, float *dist);
  void setEf(HNSW index, int ef);
#ifdef __cplusplus
}
#endif