HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-23 02:27:00 +08:00
Code Issues Packages Projects Releases Wiki Activity

Simplify lookup_count and clean up pieces().

Browse Source 
https://github.com/official-stockfish/Stockfish/pull/4656

No functional change
This commit is contained in:
mstembera
2023-07-02 19:48:18 -07:00
committed by Joost VandeVondele
parent 8634717c64
commit 80564bcfcd
2 changed files with 4 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/nnue/layers/affine_transform_sparse_input.h
View File

@@ -24,6 +24,7 @@
#include <iostream>
#include <algorithm>
#include <array>
#include <bitset>
#include <type_traits>
#include "../nnue_common.h"
#include "affine_transform.h"
@@ -77,16 +78,7 @@ namespace Stockfish::Eval::NNUE::Layers {
alignas(CacheLineSize) static inline const std::array<unsigned, 256> lookup_count = [](){
std::array<unsigned, 256> v;
for (int i = 0; i < 256; ++i)
{
int j = i;
int k = 0;
while(j)
{
j &= j - 1;
++k;
}
v[i] = k;
}
v[i] = unsigned(std::bitset<8>(i).count());
return v;
}();

4
src/position.h
View File

@@ -91,7 +91,7 @@ public:
std::string fen() const;
// Position representation
Bitboard pieces(PieceType pt) const;
Bitboard pieces(PieceType pt = ALL_PIECES) const;
template<typename ...PieceTypes> Bitboard pieces(PieceType pt, PieceTypes... pts) const;
Bitboard pieces(Color c) const;
template<typename ...PieceTypes> Bitboard pieces(Color c, PieceTypes... pts) const;
@@ -224,7 +224,7 @@ inline Piece Position::moved_piece(Move m) const {
return piece_on(from_sq(m));
}
inline Bitboard Position::pieces(PieceType pt = ALL_PIECES) const {
inline Bitboard Position::pieces(PieceType pt) const {
return byTypeBB[pt];
}