/usr/include/osl/eval/endgame/attackDefense.h is in libosl-dev 0.6.0-3.3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98  | /**
 * attackDefense.h
 */
#ifndef EVAL_ENDGAME_ATTACKtDEFENSE_H
#define EVAL_ENDGAME_ATTACKtDEFENSE_H
#include "osl/eval/endgame/attackKing.h"
#include "osl/eval/endgame/defenseKing.h"
#include "osl/eval/pieceEval.h"
#include "osl/eval/evalTraits.h"
#include "osl/misc/carray.h"
namespace osl
{
  namespace container
  {
    class PieceValues;
  } // namespace container
  namespace eval
  {
    namespace endgame
    {
      /**
       * max(AttackKing, DefenseKing).
       * うまく動くようなら統合した表を作る
       */
      class AttackDefense
      {
	CArray<int,2> values;
	void reset() { values.fill(0); }
	void addValue(Player owner, int value)
	{
	  values[playerToIndex(owner)] += value;
	}
	void addValue(Piece king_black, Piece king_white, Piece target)
	{
	  assert(king_black.ptype() == KING);
	  assert(king_white.ptype() == KING);
	  assert(king_black.owner() == BLACK);
	  assert(king_white.owner() == WHITE);
	  addValue(target.owner(), valueOf(king_black, king_white, target));
	}
      public:
	explicit AttackDefense(const SimpleState&);
	void changeTurn() {}
	static bool initialized() { return true; }
	int value() const { return values[0] + values[1]; }
	int value(Player p) const { return values[playerToIndex(p)]; }
	void update(const SimpleState& new_state, Move last_move);
	
	int expect(const SimpleState& state, Move move) const;
      private:
	void updateKingMove(const SimpleState&, Square from, Square to);
	void updateKingMove(const SimpleState&, Square from, Square to,
			    Piece target);
      public:
	static int infty()
	{
	  return PieceEval::infty()*2; // 2倍未満のボーナス
	}
	static int valueOf(Piece black_king, Piece white_king,
			   Piece target)
	{
	  return valueOf(black_king, white_king,
			 target.ptypeO(), target.square());
	}
	static int valueOf(Piece black_king, Piece white_king,
			   PtypeO ptypeo, Square position)
	{
	  assert(black_king.owner() == BLACK);
	  assert(white_king.owner() == WHITE);
	  
	  const Player player = getOwner(ptypeo);
	  const Piece my_king 
	    = (player == BLACK) ? black_king : white_king;
	  const Piece op_king 
	    = (player == BLACK) ? white_king : black_king;
	  const int attack = AttackKing::valueOf(op_king, ptypeo, position);
	  const int defense = DefenseKing::valueOf(my_king, ptypeo, position);
	  return max(player, attack, defense);
	}
	static void setValues(const SimpleState&, container::PieceValues&);
	static void resetWeights(const int *w);
      };
    } // namespace endgame
  } // namespace endgame
} // namespace osl
#endif /* EVAL_ENDGAME_ATTACKKING_H */
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