Simplify printing of engine info

[stockfish] / src / bitboard.cpp

diff --git a/src/bitboard.cpp b/src/bitboard.cpp
index 0e035b15f37b6867d1601431eae1f5c98298e90c..8c7bb9ebfe5e4060d89fa4d5e16a28ece3c40b9d 100644 (file)
--- a/src/bitboard.cpp
+++ b/src/bitboard.cpp
@@ -38,7 +38,6 @@ int BShifts[64];
 Bitboard SetMaskBB[65];
 Bitboard ClearMaskBB[65];
 
-Bitboard SquaresByColorBB[2];
 Bitboard FileBB[8];
 Bitboard RankBB[8];
 Bitboard NeighboringFilesBB[8];
@@ -157,9 +156,6 @@ void bitboards_init() {
   for (Bitboard b = 0; b < 256; b++)
       BitCount8Bit[b] = (uint8_t)count_1s<CNT32_MAX15>(b);
 
-  SquaresByColorBB[DARK]  =  0xAA55AA55AA55AA55ULL;
-  SquaresByColorBB[LIGHT] = ~SquaresByColorBB[DARK];
-
   for (Square s = SQ_A1; s <= SQ_H8; s++)
   {
       SetMaskBB[s] = 1ULL << s;
@@ -202,7 +198,7 @@ void bitboards_init() {
           SquareDistance[s1][s2] = std::max(file_distance(s1, s2), rank_distance(s1, s2));
 
   for (int i = 0; i < 64; i++)
-      if (!CpuIs64Bit) // Matt Taylor's folding trick for 32 bit systems
+      if (!Is64Bit) // Matt Taylor's folding trick for 32 bit systems
       {
           Bitboard b = 1ULL << i;
           b ^= b - 1;
@@ -325,7 +321,7 @@ namespace {
         // the number of 1s of the mask. Hence we deduce the size of the shift to
         // apply to the 64 or 32 bits word to get the index.
         masks[s]  = sliding_attacks(pt, s, 0) & ~edges;
-        shifts[s] = (CpuIs64Bit ? 64 : 32) - count_1s<CNT32_MAX15>(masks[s]);
+        shifts[s] = (Is64Bit ? 64 : 32) - count_1s<CNT32_MAX15>(masks[s]);
 
         // Use Carry-Rippler trick to enumerate all subsets of masks[s] and
         // store the corresponding sliding attacks bitboard in reference[].
@@ -341,7 +337,7 @@ namespace {
         if (s < SQ_H8)
             attacks[s + 1] = attacks[s] + size;
 
-        booster = MagicBoosters[CpuIs64Bit][rank_of(s)];
+        booster = MagicBoosters[Is64Bit][rank_of(s)];
 
         // Find a magic for square 's' picking up an (almost) random number
         // until we find the one that passes the verification test.