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Code Issues Releases Wiki Activity

Rename NonSlidingAttacksBB[] in StepAttacksBB[]

Browse source 
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_immediate_draw() const;
bool is_immediate_win() const;
Bitboard wk_attacks() const { return NonSlidingAttacksBB[WK][whiteKingSquare]; }
Bitboard bk_attacks() const { return NonSlidingAttacksBB[BK][blackKingSquare]; }
Bitboard pawn_attacks() const { return NonSlidingAttacksBB[WP][pawnSquare]; }
Bitboard wk_attacks() const { return StepAttacksBB[WK][whiteKingSquare]; }
Bitboard bk_attacks() const { return StepAttacksBB[BK][blackKingSquare]; }
Bitboard pawn_attacks() const { return StepAttacksBB[WP][pawnSquare]; }
Square whiteKingSquare, blackKingSquare, pawnSquare;
Color sideToMove;

10
src/bitboard.cpp
View file

@ -214,7 +214,7 @@ Bitboard BAttacks[0x1480];
Bitboard SetMaskBB[65];
Bitboard ClearMaskBB[65];
Bitboard NonSlidingAttacksBB[16][64];
Bitboard StepAttacksBB[16][64];
Bitboard BetweenBB[64][64];
Bitboard SquaresInFrontMask[2][64];
@ -231,7 +231,7 @@ uint8_t BitCount8Bit[256];
namespace {
void init_masks();
void init_non_sliding_attacks();
void init_step_attacks();
void init_pseudo_attacks();
void init_between_bitboards();
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}};
init_masks();
init_non_sliding_attacks();
init_step_attacks();
init_sliding_attacks(RAttacks, RAttackIndex, RMask, RShift, RMult, rookDeltas);
init_sliding_attacks(BAttacks, BAttackIndex, BMask, BShift, BMult, bishopDeltas);
init_pseudo_attacks();
@ -384,7 +384,7 @@ namespace {
BitCount8Bit[b] = (uint8_t)count_1s<CNT32>(b);
}
void init_non_sliding_attacks() {
void init_step_attacks() {
const int step[][9] = {
{0},
@ -401,7 +401,7 @@ namespace {
Square to = s + Square(step[pc][k]);
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 ClearMaskBB[65];
extern Bitboard NonSlidingAttacksBB[16][64];
extern Bitboard StepAttacksBB[16][64];
extern Bitboard BetweenBB[64][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 WR: case BR: return attacks_from<ROOK>(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 WR: case BR: return 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<>
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
inline Bitboard Position::attacks_from(Square s) const {
return NonSlidingAttacksBB[Piece][s];
return StepAttacksBB[Piece][s];
}
template<>