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Cleanup features.

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This commit is contained in:
Tomasz Sobczyk
2020-10-17 23:19:16 +09:00
committed by nodchip
parent ca760c3a5b
commit 0d4c3014ca
15 changed files with 797 additions and 761 deletions
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src/nnue/features/p.cpp
+38 -41
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@@ -1,52 +1,49 @@
//Definition of input feature P of NNUE evaluation function
#include "p.h"
#include "p.h"
#include "index_list.h"
namespace Eval {
//Definition of input feature P of NNUE evaluation function
namespace Eval::NNUE::Features {
namespace NNUE {
// Orient a square according to perspective (flip rank for black)
inline Square orient(Color perspective, Square s) {
return Square(int(s) ^ (bool(perspective) * SQ_A8));
}
namespace Features {
// Find the index of the feature quantity from the king position and PieceSquare
inline IndexType P::MakeIndex(
Color perspective, Square s, Piece pc) {
return IndexType(orient(perspective, s) + kpp_board_index[pc][perspective]);
}
// Orient a square according to perspective (flip rank for black)
inline Square orient(Color perspective, Square s) {
return Square(int(s) ^ (bool(perspective) * SQ_A8));
}
// Get a list of indices with a value of 1 among the features
void P::AppendActiveIndices(
const Position& pos, Color perspective, IndexList* active) {
// Find the index of the feature quantity from the king position and PieceSquare
inline IndexType P::MakeIndex(
Color perspective, Square s, Piece pc) {
return IndexType(orient(perspective, s) + kpp_board_index[pc][perspective]);
}
Bitboard bb = pos.pieces() & ~pos.pieces(KING);
while (bb) {
Square s = pop_lsb(&bb);
active->push_back(MakeIndex(perspective, s, pos.piece_on(s)));
}
}
// Get a list of indices with a value of 1 among the features
void P::AppendActiveIndices(
const Position& pos, Color perspective, IndexList* active) {
Bitboard bb = pos.pieces() & ~pos.pieces(KING);
while (bb) {
Square s = pop_lsb(&bb);
active->push_back(MakeIndex(perspective, s, pos.piece_on(s)));
}
}
// Get a list of indices whose values ​​have changed from the previous one in the feature quantity
void P::AppendChangedIndices(
const Position& pos, Color perspective,
IndexList* removed, IndexList* added) {
// Get a list of indices whose values ​​have changed from the previous one in the feature quantity
void P::AppendChangedIndices(
const Position& pos, Color perspective,
IndexList* removed, IndexList* added) {
const auto& dp = pos.state()->dirtyPiece;
for (int i = 0; i < dp.dirty_num; ++i) {
Piece pc = dp.piece[i];
if (type_of(pc) == KING) continue;
if (dp.from[i] != SQ_NONE)
removed->push_back(MakeIndex(perspective, dp.from[i], pc));
if (dp.to[i] != SQ_NONE)
added->push_back(MakeIndex(perspective, dp.to[i], pc));
}
}
const auto& dp = pos.state()->dirtyPiece;
for (int i = 0; i < dp.dirty_num; ++i) {
Piece pc = dp.piece[i];
} // namespace Features
if (type_of(pc) == KING)
continue;
} // namespace NNUE
if (dp.from[i] != SQ_NONE)
removed->push_back(MakeIndex(perspective, dp.from[i], pc));
} // namespace Eval
if (dp.to[i] != SQ_NONE)
added->push_back(MakeIndex(perspective, dp.to[i], pc));
}
}
} // namespace Eval::NNUE::Features