Introduce and use SCORE_ZERO

[stockfish] / src / pawns.cpp

diff --git a/src/pawns.cpp b/src/pawns.cpp
index b5c377efcd1e30221a514ea050e8787ba8b5a692..cec9aba142af22fcf96edf82879ef8da7f190fa8 100644 (file)
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -185,7 +185,7 @@ Score PawnInfoTable::evaluate_pawns(const Position& pos, Bitboard ourPawns,
   Rank r;
   int bonus;
   bool passed, isolated, doubled, opposed, chain, backward, candidate;
-  Score value = make_score(0, 0);
+  Score value = SCORE_ZERO;
   const Square* ptr = pos.piece_list_begin(Us, PAWN);
 
   // Initialize pawn storm scores by giving bonuses for open files
@@ -214,7 +214,7 @@ Score PawnInfoTable::evaluate_pawns(const Position& pos, Bitboard ourPawns,
       pi->qsStormValue[Us] += QStormTable[relative_square(Us, s)] + bonus;
 
       // Our rank plus previous one. Used for chain detection.
-      b = rank_bb(r) | rank_bb(Us == WHITE ? r - 1 : r + 1);
+      b = rank_bb(r) | rank_bb(Us == WHITE ? r - Rank(1) : r + Rank(1));
 
       // Passed, isolated, doubled or member of a pawn
       // chain (but not the backward one) ?