Unify piece_attacks<> for KNIGHT and KING

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>

diff --git a/src/position.h b/src/position.h
index a312dec4affa2a8fee6df1d82b84a3b8ecc8c1c2..aa7c7ab8b78754e19728afd59512c7deff736ec5 100644 (file)
--- a/src/position.h
+++ b/src/position.h
@@ -494,10 +494,6 @@ inline Bitboard Position::bishops_and_queens(Color c) const {
   return bishops_and_queens() & pieces_of_color(c);
 }
 
   return bishops_and_queens() & pieces_of_color(c);
 }
 

-inline Bitboard Position::sliders_of_color(Color c) const {
-  return sliders() & pieces_of_color(c);
-}
-

 inline int Position::piece_count(Color c, PieceType pt) const {
   return pieceCount[c][pt];
 }
 inline int Position::piece_count(Color c, PieceType pt) const {
   return pieceCount[c][pt];
 }


@@ -538,14 +534,14 @@ inline Bitboard Position::pawn_attacks(Color c, Square s) const {
   return StepAttackBB[piece_of_color_and_type(c, PAWN)][s];
 }
 
   return StepAttackBB[piece_of_color_and_type(c, PAWN)][s];
 }
 

-template<>
-inline Bitboard Position::piece_attacks<PAWN>(Square s) const {
-  return StepAttackBB[piece_of_color_and_type(opposite_color(sideToMove), PAWN)][s];
+template<PieceType Piece> // Knight and King
+inline Bitboard Position::piece_attacks(Square s) const {
+  return StepAttackBB[Piece][s];

 }
 
 template<>
 }
 
 template<>

-inline Bitboard Position::piece_attacks<KNIGHT>(Square s) const {
-  return StepAttackBB[KNIGHT][s];
+inline Bitboard Position::piece_attacks<PAWN>(Square s) const {
+  return StepAttackBB[piece_of_color_and_type(opposite_color(sideToMove), PAWN)][s];

 }
 
 template<>
 }
 
 template<>


@@ -563,11 +559,6 @@ inline Bitboard Position::piece_attacks<QUEEN>(Square s) const {
   return piece_attacks<ROOK>(s) | piece_attacks<BISHOP>(s);
 }
 
   return piece_attacks<ROOK>(s) | piece_attacks<BISHOP>(s);
 }
 

-template<>
-inline Bitboard Position::piece_attacks<KING>(Square s) const {
-  return StepAttackBB[KING][s];
-}
-

 inline Bitboard Position::checkers() const {
   return st->checkersBB;
 }
 inline Bitboard Position::checkers() const {
   return st->checkersBB;
 }