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Code Issues Releases Wiki Activity

Rename NonSlidingAttacksBB[] in StepAttacksBB[]

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2011-03-09 09:58:26 +01:00
parent c2511243b4
commit d9113d127b
5 changed files with 13 additions and 13 deletions
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6
src/bitbase.cpp
View file

@ -37,9 +37,9 @@ namespace {
bool is_legal() const; bool is_legal() const;
bool is_immediate_draw() const; bool is_immediate_draw() const;
bool is_immediate_win() const; bool is_immediate_win() const;
Bitboard wk_attacks() const { return NonSlidingAttacksBB[WK][whiteKingSquare]; } Bitboard wk_attacks() const { return StepAttacksBB[WK][whiteKingSquare]; }
Bitboard bk_attacks() const { return NonSlidingAttacksBB[BK][blackKingSquare]; } Bitboard bk_attacks() const { return StepAttacksBB[BK][blackKingSquare]; }
Bitboard pawn_attacks() const { return NonSlidingAttacksBB[WP][pawnSquare]; } Bitboard pawn_attacks() const { return StepAttacksBB[WP][pawnSquare]; }
Square whiteKingSquare, blackKingSquare, pawnSquare; Square whiteKingSquare, blackKingSquare, pawnSquare;
Color sideToMove; Color sideToMove;

10
src/bitboard.cpp
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@ -214,7 +214,7 @@ Bitboard BAttacks[0x1480];
Bitboard SetMaskBB[65]; Bitboard SetMaskBB[65];
Bitboard ClearMaskBB[65]; Bitboard ClearMaskBB[65];
Bitboard NonSlidingAttacksBB[16][64]; Bitboard StepAttacksBB[16][64];
Bitboard BetweenBB[64][64]; Bitboard BetweenBB[64][64];
Bitboard SquaresInFrontMask[2][64]; Bitboard SquaresInFrontMask[2][64];
@ -231,7 +231,7 @@ uint8_t BitCount8Bit[256];
namespace { namespace {
void init_masks(); void init_masks();
void init_non_sliding_attacks(); void init_step_attacks();
void init_pseudo_attacks(); void init_pseudo_attacks();
void init_between_bitboards(); void init_between_bitboards();
Bitboard index_to_bitboard(int index, Bitboard mask); Bitboard index_to_bitboard(int index, Bitboard mask);
@ -347,7 +347,7 @@ void init_bitboards() {
int bishopDeltas[4][2] = {{1,1},{-1,1},{1,-1},{-1,-1}}; int bishopDeltas[4][2] = {{1,1},{-1,1},{1,-1},{-1,-1}};
init_masks(); init_masks();
init_non_sliding_attacks(); init_step_attacks();
init_sliding_attacks(RAttacks, RAttackIndex, RMask, RShift, RMult, rookDeltas); init_sliding_attacks(RAttacks, RAttackIndex, RMask, RShift, RMult, rookDeltas);
init_sliding_attacks(BAttacks, BAttackIndex, BMask, BShift, BMult, bishopDeltas); init_sliding_attacks(BAttacks, BAttackIndex, BMask, BShift, BMult, bishopDeltas);
init_pseudo_attacks(); init_pseudo_attacks();
@ -384,7 +384,7 @@ namespace {
BitCount8Bit[b] = (uint8_t)count_1s<CNT32>(b); BitCount8Bit[b] = (uint8_t)count_1s<CNT32>(b);
} }
void init_non_sliding_attacks() { void init_step_attacks() {
const int step[][9] = { const int step[][9] = {
{0}, {0},
@ -401,7 +401,7 @@ namespace {
Square to = s + Square(step[pc][k]); Square to = s + Square(step[pc][k]);
if (square_is_ok(to) && square_distance(s, to) < 3) if (square_is_ok(to) && square_distance(s, to) < 3)
set_bit(&NonSlidingAttacksBB[pc][s], to); set_bit(&StepAttacksBB[pc][s], to);
} }
} }

2
src/bitboard.h
View file

@ -53,7 +53,7 @@ extern const Bitboard InFrontBB[2][8];
extern Bitboard SetMaskBB[65]; extern Bitboard SetMaskBB[65];
extern Bitboard ClearMaskBB[65]; extern Bitboard ClearMaskBB[65];
extern Bitboard NonSlidingAttacksBB[16][64]; extern Bitboard StepAttacksBB[16][64];
extern Bitboard BetweenBB[64][64]; extern Bitboard BetweenBB[64][64];
extern Bitboard SquaresInFrontMask[2][64]; extern Bitboard SquaresInFrontMask[2][64];

4
src/position.cpp
View file

@ -501,7 +501,7 @@ Bitboard Position::attacks_from(Piece p, Square s) const {
case WB: case BB: return attacks_from<BISHOP>(s); case WB: case BB: return attacks_from<BISHOP>(s);
case WR: case BR: return attacks_from<ROOK>(s); case WR: case BR: return attacks_from<ROOK>(s);
case WQ: case BQ: return attacks_from<QUEEN>(s); case WQ: case BQ: return attacks_from<QUEEN>(s);
default: return NonSlidingAttacksBB[p][s]; default: return StepAttacksBB[p][s];
} }
} }
@ -514,7 +514,7 @@ Bitboard Position::attacks_from(Piece p, Square s, Bitboard occ) {
case WB: case BB: return bishop_attacks_bb(s, occ); case WB: case BB: return bishop_attacks_bb(s, occ);
case WR: case BR: return rook_attacks_bb(s, occ); case WR: case BR: return rook_attacks_bb(s, occ);
case WQ: case BQ: return bishop_attacks_bb(s, occ) | rook_attacks_bb(s, occ); case WQ: case BQ: return bishop_attacks_bb(s, occ) | rook_attacks_bb(s, occ);
default: return NonSlidingAttacksBB[p][s]; default: return StepAttacksBB[p][s];
} }
} }

4
src/position.h
View file

@ -431,12 +431,12 @@ inline Square Position::initial_qr_square(Color c) const {
template<> template<>
inline Bitboard Position::attacks_from<PAWN>(Square s, Color c) const { inline Bitboard Position::attacks_from<PAWN>(Square s, Color c) const {
return NonSlidingAttacksBB[make_piece(c, PAWN)][s]; return StepAttacksBB[make_piece(c, PAWN)][s];
} }
template<PieceType Piece> // Knight and King and white pawns template<PieceType Piece> // Knight and King and white pawns
inline Bitboard Position::attacks_from(Square s) const { inline Bitboard Position::attacks_from(Square s) const {
return NonSlidingAttacksBB[Piece][s]; return StepAttacksBB[Piece][s];
} }
template<> template<>