zobrist hashing

1 files changed, 1 insertions, 13 deletions

diff --git a/src/engine/moves/magic.c b/src/engine/moves/magic.c
index 43f4a32..74b2c72 100644
--- a/src/engine/moves/magic.c
+++ b/src/engine/moves/magic.c
@@ -1,4 +1,5 @@
 #include "engine/magic.h"
+#include "random.h"
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>
@@ -8,19 +9,6 @@ static magic_t bishop_table[64];
 static bitboard_t *rook_attacks_flat;
 static bitboard_t *bishop_attacks_flat;
 
-static u64 rng_state = 1070399;
-
-static u64 random_u64(void) {
-  rng_state ^= rng_state << 13;
-  rng_state ^= rng_state >> 7;
-  rng_state ^= rng_state << 17;
-  return rng_state;
-}
-
-static u64 random_magic(void) {
-  return random_u64() & random_u64() & random_u64();
-}
-
 static bitboard_t compute_rook_mask(int sq) {
   bitboard_t mask = 0;
   int rank = sq / 8, file = sq % 8;