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Small cleanups

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closes https://github.com/official-stockfish/Stockfish/pull/2756

No functional change
This commit is contained in:
Joost VandeVondele
2020-06-24 22:19:58 +02:00
parent 11483fe6d9
commit ab5cd8340f
18 changed files with 124 additions and 86 deletions
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26
src/evaluate.cpp
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@@ -127,23 +127,23 @@ namespace {
};
// Assorted bonuses and penalties
constexpr Score BishopPawns = S( 3, 7);
constexpr Score BishopKingProtector = S( 6, 9);
constexpr Score BishopOnKingRing = S( 24, 0);
constexpr Score BishopOutpost = S( 30, 23);
constexpr Score BishopPawns = S( 3, 7);
constexpr Score BishopXRayPawns = S( 4, 5);
constexpr Score CorneredBishop = S( 50, 50);
constexpr Score FlankAttacks = S( 8, 0);
constexpr Score Hanging = S( 69, 36);
constexpr Score BishopKingProtector = S( 6, 9);
constexpr Score KnightKingProtector = S( 8, 9);
constexpr Score KnightOnQueen = S( 16, 11);
constexpr Score KnightOutpost = S( 56, 36);
constexpr Score LongDiagonalBishop = S( 45, 0);
constexpr Score MinorBehindPawn = S( 18, 3);
constexpr Score KnightOutpost = S( 56, 36);
constexpr Score BishopOutpost = S( 30, 23);
constexpr Score ReachableOutpost = S( 31, 22);
constexpr Score PassedFile = S( 11, 8);
constexpr Score PawnlessFlank = S( 17, 95);
constexpr Score QueenInfiltration = S( -2, 14);
constexpr Score ReachableOutpost = S( 31, 22);
constexpr Score RestrictedPiece = S( 7, 7);
constexpr Score RookOnKingRing = S( 16, 0);
constexpr Score RookOnQueenFile = S( 6, 11);
@@ -152,8 +152,9 @@ namespace {
constexpr Score ThreatByPawnPush = S( 48, 39);
constexpr Score ThreatBySafePawn = S(173, 94);
constexpr Score TrappedRook = S( 55, 13);
constexpr Score WeakQueen = S( 56, 15);
constexpr Score WeakQueenProtection = S( 14, 0);
constexpr Score WeakQueen = S( 56, 15);
#undef S
@@ -216,6 +217,7 @@ namespace {
// Evaluation::initialize() computes king and pawn attacks, and the king ring
// bitboard for a given color. This is done at the beginning of the evaluation.
template<Tracing T> template<Color Us>
void Evaluation<T>::initialize() {
@@ -255,6 +257,7 @@ namespace {
// Evaluation::pieces() scores pieces of a given color and type
template<Tracing T> template<Color Us, PieceType Pt>
Score Evaluation<T>::pieces() {
@@ -377,7 +380,7 @@ namespace {
// Bonus for queen on weak square in enemy camp
if (relative_rank(Us, s) > RANK_4 && (~pe->pawn_attacks_span(Them) & s))
score += QueenInfiltration;
score += QueenInfiltration;
}
}
if (T)
@@ -388,6 +391,7 @@ namespace {
// Evaluation::king() assigns bonuses and penalties to a king of a given color
template<Tracing T> template<Color Us>
Score Evaluation<T>::king() const {
@@ -496,6 +500,7 @@ namespace {
// Evaluation::threats() assigns bonuses according to the types of the
// attacking and the attacked pieces.
template<Tracing T> template<Color Us>
Score Evaluation<T>::threats() const {
@@ -721,8 +726,8 @@ namespace {
// Evaluation::winnable() adjusts the mg and eg score components based on the
// known attacking/defending status of the players.
// A single value is derived from the mg and eg values and returned.
// known attacking/defending status of the players. A single value is derived
// by interpolation from the mg and eg values and returned.
template<Tracing T>
Value Evaluation<T>::winnable(Score score) const {
@@ -828,12 +833,11 @@ namespace {
return pos.side_to_move() == WHITE ? v : -v;
// Main evaluation begins here
initialize<WHITE>();
initialize<BLACK>();
// Pieces evaluated first (also populates attackedBy, attackedBy2).
// Note that the order of evaluation of the terms is left unspecified
// Note that the order of evaluation of the terms is left unspecified.
score += pieces<WHITE, KNIGHT>() - pieces<BLACK, KNIGHT>()
+ pieces<WHITE, BISHOP>() - pieces<BLACK, BISHOP>()
+ pieces<WHITE, ROOK >() - pieces<BLACK, ROOK >()