Helper functions to count material for both sides

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 69a7ea37ffeb293d461069192ad515ad0234aa29..6bd4513108ba92466f52d10e8e46c48916466a18 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -179,7 +179,7 @@ namespace {
     S(  9, 10), S( 2, 10), S( 1, -8), S(-20,-12),
     S(-20,-12), S( 1, -8), S( 2, 10), S(  9, 10)
   };
-  
+
   // Protector[PieceType-2][distance] contains a protecting bonus for our king,
   // indexed by piece type and distance between the piece and the king.
   const Score Protector[4][8] = {
@@ -302,7 +302,7 @@ namespace {
         int mob = popcount(b & ei.mobilityArea[Us]);
 
         mobility[Us] += MobilityBonus[Pt-2][mob];
-        
+
         // Bonus for this piece as a king protector
         score += Protector[Pt-2][distance(s, pos.square<KING>(Us))];
 
@@ -740,7 +740,7 @@ namespace {
 
     int kingDistance =  distance<File>(pos.square<KING>(WHITE), pos.square<KING>(BLACK))
                       - distance<Rank>(pos.square<KING>(WHITE), pos.square<KING>(BLACK));
-    int pawns = pos.count<PAWN>(WHITE) + pos.count<PAWN>(BLACK);
+    int pawns = pos.count<PAWN>();
     bool bothFlanks = (pos.pieces(PAWN) & QueenSide) && (pos.pieces(PAWN) & KingSide);
 
     // Compute the initiative bonus for the attacking side
@@ -847,7 +847,7 @@ Value Eval::evaluate(const Position& pos) {
           - evaluate_passer_pawns<BLACK, DoTrace>(pos, ei);
 
   // Evaluate space for both sides, only during opening
-  if (pos.non_pawn_material(WHITE) + pos.non_pawn_material(BLACK) >= 12222)
+  if (pos.non_pawn_material() >= 12222)
       score +=  evaluate_space<WHITE>(pos, ei)
               - evaluate_space<BLACK>(pos, ei);
 
@@ -870,7 +870,7 @@ Value Eval::evaluate(const Position& pos) {
       Trace::add(IMBALANCE, ei.me->imbalance());
       Trace::add(PAWN, ei.pe->pawns_score());
       Trace::add(MOBILITY, mobility[WHITE], mobility[BLACK]);
-      if (pos.non_pawn_material(WHITE) + pos.non_pawn_material(BLACK) >= 12222)
+      if (pos.non_pawn_material() >= 12222)
           Trace::add(SPACE, evaluate_space<WHITE>(pos, ei)
                           , evaluate_space<BLACK>(pos, ei));
       Trace::add(TOTAL, score);