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-rw-r--r--include/zobrist.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/zobrist.h b/include/zobrist.h
index 5fd5ace..27053a6 100644
--- a/include/zobrist.h
+++ b/include/zobrist.h
@@ -19,8 +19,14 @@
#include <tak.h>
#include <xorshift64.h>
+#define PLY_PARITY_MAGIC 0x9E3779B97F4A7C15ULL
+
void zobrist_free(void);
int zobrist_init(const uint8_t board_size);
+// hash for whole state
uint64_t zobrist_compute(tak_state_p state);
+
+// hash contribution from a single board cell at location l
+uint64_t zobrist_cell(tak_state_p state, const uint8_t l);