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Temporary revert "Expose EvalInfo struct to search"

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It is not needed for the release and introduces
a slowdown, although very small.

Probably it will be readded after the release.

No functional change.
This commit is contained in:
Marco Costalba
2013-04-29 00:54:08 +02:00
parent 156635749b
commit 06b9140e5c
4 changed files with 69 additions and 73 deletions
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src/evaluate.h
+1 -43
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@@ -20,56 +20,14 @@
#if !defined(EVALUATE_H_INCLUDED)
#define EVALUATE_H_INCLUDED
#include "material.h"
#include "pawns.h"
#include "types.h"
class Position;
namespace Eval {
// Struct Eval::Info contains various information computed and collected
// by the evaluation functions.
struct Info {
// Pointers to material and pawn hash table entries
Material::Entry* mi;
Pawns::Entry* pi;
// attackedBy[color][piece type] is a bitboard representing all squares
// attacked by a given color and piece type, attackedBy[color][ALL_PIECES]
// contains all squares attacked by the given color.
Bitboard attackedBy[COLOR_NB][PIECE_TYPE_NB];
// kingRing[color] is the zone around the king which is considered
// by the king safety evaluation. This consists of the squares directly
// adjacent to the king, and the three (or two, for a king on an edge file)
// squares two ranks in front of the king. For instance, if black's king
// is on g8, kingRing[BLACK] is a bitboard containing the squares f8, h8,
// f7, g7, h7, f6, g6 and h6.
Bitboard kingRing[COLOR_NB];
// kingAttackersCount[color] is the number of pieces of the given color
// which attack a square in the kingRing of the enemy king.
int kingAttackersCount[COLOR_NB];
// kingAttackersWeight[color] is the sum of the "weight" of the pieces of the
// given color which attack a square in the kingRing of the enemy king. The
// weights of the individual piece types are given by the variables
// QueenAttackWeight, RookAttackWeight, BishopAttackWeight and
// KnightAttackWeight in evaluate.cpp
int kingAttackersWeight[COLOR_NB];
// kingAdjacentZoneAttacksCount[color] is the number of attacks to squares
// directly adjacent to the king of the given color. Pieces which attack
// more than one square are counted multiple times. For instance, if black's
// king is on g8 and there's a white knight on g5, this knight adds
// 2 to kingAdjacentZoneAttacksCount[BLACK].
int kingAdjacentZoneAttacksCount[COLOR_NB];
};
extern void init();
extern Value evaluate(const Position& pos, Value& margin, Info* ei);
extern Value evaluate(const Position& pos, Value& margin);
extern std::string trace(const Position& pos);
}