X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbitboard.cpp;h=110609d294c8ce75180b15d01daf094807f450a5;hp=54cc94fa7d04525390ff3e66094fff51b2adff69;hb=d372f2e39a65e2b14fc0335841e652a9d208d3ec;hpb=a617b038759f6abd1b33f71ef6d1938fa3588c3d

diff --git a/src/bitboard.cpp b/src/bitboard.cpp
index 54cc94fa..110609d2 100644
--- a/src/bitboard.cpp
+++ b/src/bitboard.cpp
@@ -175,7 +175,7 @@ Bitboard RankBB[8];
 Bitboard NeighboringFilesBB[8];
 Bitboard ThisAndNeighboringFilesBB[8];
 Bitboard InFrontBB[2][8];
-Bitboard NonSlidingAttacksBB[16][64];
+Bitboard StepAttacksBB[16][64];
 Bitboard BetweenBB[64][64];
 Bitboard SquaresInFrontMask[2][64];
 Bitboard PassedPawnMask[2][64];
@@ -191,7 +191,7 @@ uint8_t BitCount8Bit[256];
 namespace {
 
   void init_masks();
-  void init_non_sliding_attacks();
+  void init_step_attacks();
   void init_pseudo_attacks();
   void init_between_bitboards();
   Bitboard index_to_bitboard(int index, Bitboard mask);
@@ -307,7 +307,7 @@ void init_bitboards() {
   int bishopDeltas[4][2] = {{1,1},{-1,1},{1,-1},{-1,-1}};
 
   init_masks();
-  init_non_sliding_attacks();
+  init_step_attacks();
   init_sliding_attacks(RAttacks, RAttackIndex, RMask, RShift, RMult, rookDeltas);
   init_sliding_attacks(BAttacks, BAttackIndex, BMask, BShift, BMult, bishopDeltas);
   init_pseudo_attacks();
@@ -329,19 +329,19 @@ namespace {
     FileBB[FILE_A] = FileABB;
     RankBB[RANK_1] = Rank1BB;
 
-    for (File f = FILE_B; f <= FILE_H; f++)
+    for (int f = FILE_B; f <= FILE_H; f++)
     {
         FileBB[f] = FileBB[f - 1] << 1;
         RankBB[f] = RankBB[f - 1] << 8;
     }
 
-    for (File f = FILE_A; f <= FILE_H; f++)
+    for (int f = FILE_A; f <= FILE_H; f++)
     {
         NeighboringFilesBB[f] = (f > FILE_A ? FileBB[f - 1] : 0) | (f < FILE_H ? FileBB[f + 1] : 0);
         ThisAndNeighboringFilesBB[f] = FileBB[f] | NeighboringFilesBB[f];
     }
 
-    for (Rank rw = RANK_7, rb = RANK_1; rw >= RANK_1; rw--, rb++)
+    for (int rw = RANK_7, rb = RANK_2; rw >= RANK_1; rw--, rb++)
     {
         InFrontBB[WHITE][rw] = InFrontBB[WHITE][rw + 1] | RankBB[rw + 1];
         InFrontBB[BLACK][rb] = InFrontBB[BLACK][rb - 1] | RankBB[rb - 1];
@@ -368,7 +368,7 @@ namespace {
         BitCount8Bit[b] = (uint8_t)count_1s<CNT32>(b);
   }
 
-  void init_non_sliding_attacks() {
+  void init_step_attacks() {
 
     const int step[][9] =  {
       {0},
@@ -385,7 +385,7 @@ namespace {
                 Square to = s + Square(step[pc][k]);
 
                 if (square_is_ok(to) && square_distance(s, to) < 3)
-                    set_bit(&NonSlidingAttacksBB[pc][s], to);
+                    set_bit(&StepAttacksBB[pc][s], to);
            }
   }