From: Marco Costalba <mcostalba@gmail.com>
Date: Thu, 21 May 2009 10:15:52 +0000 (+0200)
Subject: Unify piece_attacks<> for KNIGHT and KING
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=1b0888708d670f95a75da49f7890d916b51a58b0

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 a312dec4..aa7c7ab8 100644
--- 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);
 }
 
-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];
 }
@@ -538,14 +534,14 @@ inline Bitboard Position::pawn_attacks(Color c, Square s) const {
   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<>
-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<>
@@ -563,11 +559,6 @@ inline Bitboard Position::piece_attacks<QUEEN>(Square s) const {
   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;
 }