#include <stdlib.h>
#include <tak.h>

extern uint32_t cnn1986_num_cached, cnn1986_max_num_cached;

typedef struct node_s {
	struct node_s *next, *prev;
	uint64_t key[4];
	float result;
} node_t;

int cnn1986_cache_init(void);
void cnn1986_cache_free(void);

int cnn1986_cache_seek(const uint64_t key[4],
											 float *out_result);

int cnn1986_cache_insert(const uint64_t key[4],
												 const float in_result);