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Use piece_list to scan the pawns in evaluate_pawns()

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No functional change and small speed increase.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2009-10-10 08:52:34 +02:00
parent a806d7c3d6
commit eddfd46a10
1 changed files with 3 additions and 4 deletions
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7
src/pawns.cpp
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@ -218,7 +218,7 @@ PawnInfoTable::Values PawnInfoTable::evaluate_pawns(const Position& pos, Bitboar
int bonus;
Value mgValue = Value(0);
Value egValue = Value(0);
Bitboard pawns = ourPawns;
const Square* ptr = pos.piece_list_begin(Us, PAWN);
// Initialize pawn storm scores by giving bonuses for open files
for (File f = FILE_A; f <= FILE_H; f++)
@ -230,9 +230,8 @@ PawnInfoTable::Values PawnInfoTable::evaluate_pawns(const Position& pos, Bitboar
}
// Loop through all pawns of the current color and score each pawn
while (pawns)
while ((s = *ptr++) != SQ_NONE)
{
s = pop_1st_bit(&pawns);
f = square_file(s);
r = square_rank(s);
@ -392,7 +391,7 @@ PawnInfoTable::Values PawnInfoTable::evaluate_pawns(const Position& pos, Bitboar
mgValue += CandidateMidgameBonus[relative_rank(Us, s)];
egValue += CandidateEndgameBonus[relative_rank(Us, s)];
}
} // while (pawns)
}
return Values(mgValue, egValue);
}