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Code Issues Releases Wiki Activity

Move Pieces[] out of global visibility

Browse source 
It is an helper array used only in position.cpp

Also small code tidy up while there.

No functional change.

Closes #1106
This commit is contained in:
Marco Costalba 2017-05-07 10:26:09 +02:00 • committed by Joona Kiiski
parent 321a27fbe3
commit 25296547d0
3 changed files with 12 additions and 9 deletions
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3
src/position.cpp
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@ -52,6 +52,9 @@ namespace {
const string PieceToChar(" PNBRQK pnbrqk");
const Piece Pieces[] = { W_PAWN, W_KNIGHT, W_BISHOP, W_ROOK, W_QUEEN, W_KING,
B_PAWN, B_KNIGHT, B_BISHOP, B_ROOK, B_QUEEN, B_KING };
// min_attacker() is a helper function used by see_ge() to locate the least
// valuable attacker for the side to move, remove the attacker we just found
// from the bitboards and scan for new X-ray attacks behind it.

9
src/search.h
View file

@ -56,11 +56,12 @@ struct Stack {
struct RootMove {
explicit RootMove(Move m) : pv(1, m) {}
bool operator<(const RootMove& m) const {
return m.score != score ? m.score < score : m.previousScore < previousScore; } // Descending sort
bool operator==(const Move& m) const { return pv[0] == m; }
bool extract_ponder_from_tt(Position& pos);
bool operator==(const Move& m) const { return pv[0] == m; }
bool operator<(const RootMove& m) const { // Sort in descending order
return m.score != score ? m.score < score
: m.previousScore < previousScore;
}
Value score = -VALUE_INFINITE;
Value previousScore = -VALUE_INFINITE;

9
src/types.h
View file

@ -76,7 +76,7 @@
# include <immintrin.h> // Header for _pext_u64() intrinsic
# define pext(b, m) _pext_u64(b, m)
#else
# define pext(b, m) (0)
# define pext(b, m) 0
#endif
#ifdef USE_POPCNT
@ -205,8 +205,6 @@ enum Piece {
PIECE_NB = 16
};
const Piece Pieces[] = { W_PAWN, W_KNIGHT, W_BISHOP, W_ROOK, W_QUEEN, W_KING,
B_PAWN, B_KNIGHT, B_BISHOP, B_ROOK, B_QUEEN, B_KING };
extern Value PieceValue[PHASE_NB][PIECE_NB];
enum Depth : int {
@ -239,8 +237,8 @@ enum Square {
NORTH = 8,
EAST = 1,
SOUTH = -8,
WEST = -1,
SOUTH = -NORTH,
WEST = -EAST,
NORTH_EAST = NORTH + EAST,
SOUTH_EAST = SOUTH + EAST,
@ -331,6 +329,7 @@ inline Score operator/(Score s, int i) {
/// Multiplication of a Score by an integer. We check for overflow in debug mode.
inline Score operator*(Score s, int i) {
Score result = Score(int(s) * i);
assert(eg_value(result) == (i * eg_value(s)));