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Small code style tidy up

Browse source 
No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2009-02-06 16:21:00 +01:00
parent fa322b3768
commit 76381cbd69
3 changed files with 20 additions and 21 deletions
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7
src/movegen.cpp
View file

@ -775,8 +775,8 @@ namespace {
// Find all friendly pawns not on the enemy king's file // Find all friendly pawns not on the enemy king's file
Bitboard b1 = pos.pawns(Us) & ~file_bb(ksq), b2, b3; Bitboard b1 = pos.pawns(Us) & ~file_bb(ksq), b2, b3;
// Discovered checks, single pawn pushes // Discovered checks, single pawn pushes, no promotions
b2 = b3 = (Us == WHITE ? (b1 & dc) << 8 : (b1 & dc) >> 8) & ~TRank8BB & empty; b2 = b3 = (Us == WHITE ? (b1 & dc) << 8 : (b1 & dc) >> 8) & empty & ~TRank8BB;
while (b3) while (b3)
{ {
Square to = pop_1st_bit(&b3); Square to = pop_1st_bit(&b3);
@ -793,8 +793,7 @@ namespace {
// Direct checks. These are possible only for pawns on neighboring files // Direct checks. These are possible only for pawns on neighboring files
// of the enemy king // of the enemy king
b1 &= (~dc & neighboring_files_bb(ksq));
b1 &= (~dc & neighboring_files_bb(ksq)); // FIXME why ~dc ??
// Direct checks, single pawn pushes // Direct checks, single pawn pushes
b2 = (Us == WHITE ? b1 << 8 : b1 >> 8) & empty; b2 = (Us == WHITE ? b1 << 8 : b1 >> 8) & empty;

8
src/position.cpp
View file

@ -60,11 +60,11 @@ static bool RequestPending = false;
/// Constructors /// Constructors
Position::Position(const Position &pos) { Position::Position(const Position& pos) {
copy(pos); copy(pos);
} }
Position::Position(const std::string &fen) { Position::Position(const std::string& fen) {
from_fen(fen); from_fen(fen);
} }
@ -73,7 +73,7 @@ Position::Position(const std::string &fen) {
/// string. This function is not very robust - make sure that input FENs are /// string. This function is not very robust - make sure that input FENs are
/// correct (this is assumed to be the responsibility of the GUI). /// correct (this is assumed to be the responsibility of the GUI).
void Position::from_fen(const std::string &fen) { void Position::from_fen(const std::string& fen) {
static const std::string pieceLetters = "KQRBNPkqrbnp"; static const std::string pieceLetters = "KQRBNPkqrbnp";
static const Piece pieces[] = { WK, WQ, WR, WB, WN, WP, BK, BQ, BR, BB, BN, BP }; static const Piece pieces[] = { WK, WQ, WR, WB, WN, WP, BK, BQ, BR, BB, BN, BP };
@ -1967,7 +1967,7 @@ Value Position::compute_non_pawn_material(Color c) const {
/// side to move is checkmated. Note that this function is currently very /// side to move is checkmated. Note that this function is currently very
/// slow, and shouldn't be used frequently inside the search. /// slow, and shouldn't be used frequently inside the search.
bool Position::is_mate() { bool Position::is_mate() const {
if (is_check()) if (is_check())
{ {

8
src/position.h
View file

@ -122,11 +122,11 @@ class Position {
public: public:
// Constructors // Constructors
Position() {}; Position() {};
Position(const Position &pos); Position(const Position& pos);
Position(const std::string &fen); Position(const std::string& fen);
// Text input/output // Text input/output
void from_fen(const std::string &fen); void from_fen(const std::string& fen);
const std::string to_fen() const; const std::string to_fen() const;
void print(Move m = MOVE_NONE) const; void print(Move m = MOVE_NONE) const;
@ -268,7 +268,7 @@ public:
Value mg_pst_delta(Move m) const; Value mg_pst_delta(Move m) const;
// Game termination checks // Game termination checks
bool is_mate(); bool is_mate() const;
bool is_draw() const; bool is_draw() const;
// Check if one side threatens a mate in one // Check if one side threatens a mate in one