#include <stdint.h>
#include <tak.h>
#include <xorshift64.h>
#include <cnn1986.h>
#include <cnn1986_cache.h>

extern const float infty;
extern char negamax_ptn[9];
extern uint8_t negamax_search_depth;
extern uint32_t cache_fails;
extern inline void negamax_display_progress(const uint8_t);

void negamax_init(const uint8_t new_board_size);
void negamax_compute_zobrist(uint64_t hash[4]);

// Do negamax to depth negamax_search_depth and return PTN of best move
// in negamax_ptn, along with its value as the return. The
// negamax_display_progress function is called on every new square at
// the top level.
float negamax_generate(void);