This file is indexed.

/usr/include/osl/eval/pieceEval.h is in libosl-dev 0.6.0-3.1.

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
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
/* pieceEval.h
 */
#ifndef OSL_PIECEEVAL_H
#define OSL_PIECEEVAL_H

#include "osl/eval/ptypeEvalTraits.h"
#include "osl/eval/evalTraits.h"
#include "osl/progress/progress32.h"
#include "osl/progress/progress16.h"
#include "osl/state/numEffectState.h"
#include "osl/misc/carray.h"
#include <cassert>

namespace osl
{
  namespace eval
  {
    class PtypeEvalTable
    {
    protected:
      CArray<int, PTYPEO_SIZE> ptypeO2Val;
      CArray<int, PTYPEO_SIZE> promoteVal;
      CArray<int, PTYPEO_SIZE> captureVal;
    public:
      PtypeEvalTable();
      ~PtypeEvalTable();

    public:
      /**
       * 先手から見たptypeOの駒の価値
       */
      int value(PtypeO ptypeO) const{
	assert(isValidPtypeO(ptypeO));
	return ptypeO2Val[ptypeO-PTYPEO_MIN];
      }
      /**
       * ptypeの駒の価値
       */
      int value(Ptype ptype) const{
	assert(isValid(ptype));
	return ptypeO2Val[ptype-PTYPEO_MIN];
      }
      /**
       * ptypeOにpromoteした時の評価値の増減
       */
      int promoteValue(PtypeO ptypeO) const{
	assert(isPromoted(ptypeO));
	return promoteVal[ptypeO-PTYPEO_MIN];
      }
      /**
       * ownerのptypeOがcaptureされた時の評価値の増減
       */
      int captureValue(PtypeO ptypeO) const{
	assert(isValidPtypeO(ptypeO));
	return captureVal[ptypeO-PTYPEO_MIN];
      }
      void reset(const CArray<int, PTYPE_SIZE>& values);
    };
    extern const PtypeEvalTable Ptype_Eval_Table;

    /**
     * 駒の価値ベースの評価関数.
     * 必ず偶数
     * 先手有利 +, 後手有利 -
     * 歩 PtypeEvalTraits<PAWN>::val 点
     */
    class PieceEval
    {
      int val;
    public:
      explicit PieceEval(const NumEffectState& state);
      explicit PieceEval(int v) : val(v) {}
      PieceEval();
      static bool initialized() { return true; }
      void changeTurn() {}
      int value() const
      { 
	assert(isConsistentValueForNormalState<PieceEval>(val)); 
	return val; 
      }
      static int diffWithMove(const NumEffectState&, Move move)
      {
	int ret = 0;
	if (move.capturePtype() != PTYPE_EMPTY)
	  ret += Ptype_Eval_Table.captureValue(move.capturePtypeO());
	if (move.isPromotion())
	  ret+=Ptype_Eval_Table.promoteValue(move.ptypeO());
	return ret;
      }
      static int infty() { return 57984; }

      /** 
       * move による取り返し値の変化 (SOMA)
       *
       * - move 後のマスだけ考える
       * - 基本は価値の小さい順に調べる
       * - 順番に関して,PROMOTE の有無は考えていない
       * - 現在,飛車や香の利きはmove の後ろにあるものしか伸びない
       * - ?? 駒が味方の駒を飛び越える手も考える
       * - 数値の価値は Player にとって.
       * - 王手などは気にしない
       */
      template<Player P>
      static int computeDiffAfterMove(const NumEffectState& state,Move move);
      static int computeDiffAfterMove(const NumEffectState& state,Move move)
      {
	assert(state.turn() == move.player());
	if (state.turn() == BLACK)
	  return computeDiffAfterMove<BLACK>(state,move);
	else
	  return computeDiffAfterMove<WHITE>(state,move);
      }
      /**
       * 実現確率探索用取り返し値
       * 
       * 現在の局面の評価値と move 後の局面の差分(Pが得する場合が正とな
       * るよう符号を補正)を返す.
       */
      template<Player P>
      static int computeDiffAfterMoveForRP(const NumEffectState& state,Move move)
      {
	assert(move.player()==P);
	const int diff = computeDiffAfterMove<P>(state,move);
	return (P==BLACK) ? diff : -diff;
      }
      static int computeDiffAfterMoveForRP(const NumEffectState& state, Move move)
      {
	if (move.player()==BLACK)
	  return computeDiffAfterMoveForRP<BLACK>(state,move);
	else
	  return computeDiffAfterMoveForRP<WHITE>(state,move);
      }
    private:
      void addVal(int d) { val+=d; }
    public:
      const Move suggestMove(const NumEffectState&) const 
      {
	return Move();
      }
      /** state でmoveを指した後の評価値を予測 */
      int expect(const NumEffectState& /*state*/, Move move) const
      {
	if (move.isPass() || move.isDrop())
	  return value();
	const PtypeO ptypeO=move.ptypeO();
	const PtypeO captured=move.capturePtypeOSafe();
	int result = val 
	  + Ptype_Eval_Table.value(ptypeO)
	  - Ptype_Eval_Table.value(move.oldPtypeO());
	if (getPtype(captured) != PTYPE_EMPTY)
	  result += Ptype_Eval_Table.value(osl::captured(captured))
	    - Ptype_Eval_Table.value(captured);
	return result;
      }

      const Progress32 progress32() const { return Progress32(0); }
      const Progress16 progress16() const { return Progress16(0); }
      static int seeScale() { return 1; }
      /**
       * QuiescenceSearch の枝刈で使用
       */
      static int captureValue(PtypeO ptypeO)
      {
	return Ptype_Eval_Table.captureValue(ptypeO);
      }
      static int value(PtypeO ptypeO)
      {
	return Ptype_Eval_Table.value(ptypeO);
      }

      void update(const NumEffectState& /*new_state*/, Move last_move)
      {
	if (last_move.isPass() || last_move.isDrop())
	  return;

	addVal(Ptype_Eval_Table.value(last_move.ptypeO())
	       - Ptype_Eval_Table.value(last_move.oldPtypeO()));
	if (last_move.capturePtype() != PTYPE_EMPTY) {
	  const PtypeO capture_ptypeo = last_move.capturePtypeO();
	  addVal(Ptype_Eval_Table.value(captured(capture_ptypeo))
		 - Ptype_Eval_Table.value(capture_ptypeo));
	}
      }

      static const PtypeEvalTable Piece_Value;
    };

  } // namespace eval
  using eval::PieceEval;
} // namespace osl

#endif /* OSL_PIECEEVAL_H */
// ;;; Local Variables:
// ;;; mode:c++
// ;;; c-basic-offset:2
// ;;; End: