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Restore lambda and gradient function post-merge and minor fixes.

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bench: 3788313
This commit is contained in:
noobpwnftw
2020-09-26 12:55:02 +09:00
committed by nodchip
parent d1967bb281
commit 5e8a49f7f2
15 changed files with 170 additions and 36 deletions
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src/nnue/features/castling_right.cpp
+24 -4
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@@ -31,10 +31,30 @@ namespace Eval::NNUE::Features {
// Get a list of indices whose values ​​have changed from the previous one in the feature quantity
void CastlingRight::AppendChangedIndices(
const Position& /* pos */, Color /* perspective */,
IndexList* /* removed */, IndexList* /* added */) {
// Not implemented.
assert(false);
const Position& pos, Color perspective,
IndexList* removed, IndexList* /* added */) {
int previous_castling_rights = pos.state()->previous->castlingRights;
int current_castling_rights = pos.state()->castlingRights;
int relative_previous_castling_rights;
int relative_current_castling_rights;
if (perspective == WHITE) {
relative_previous_castling_rights = previous_castling_rights;
relative_current_castling_rights = current_castling_rights;
}
else {
// Invert the perspective.
relative_previous_castling_rights = ((previous_castling_rights & 3) << 2)
& ((previous_castling_rights >> 2) & 3);
relative_current_castling_rights = ((current_castling_rights & 3) << 2)
& ((current_castling_rights >> 2) & 3);
}
for (Eval::NNUE::IndexType i = 0; i < kDimensions; ++i) {
if ((relative_previous_castling_rights & (1 << i)) &&
(relative_current_castling_rights & (1 << i)) == 0) {
removed->push_back(i);
}
}
}
} // namespace Eval::NNUE::Features