| /* | |
| Stockfish, a UCI chess playing engine derived from Glaurung 2.1 | |
| Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file) | |
| Stockfish is free software: you can redistribute it and/or modify | |
| it under the terms of the GNU General Public License as published by | |
| the Free Software Foundation, either version 3 of the License, or | |
| (at your option) any later version. | |
| Stockfish is distributed in the hope that it will be useful, | |
| but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| GNU General Public License for more details. | |
| You should have received a copy of the GNU General Public License | |
| along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| */ | |
| // Class for difference calculation of NNUE evaluation function | |
| namespace Stockfish::Eval::NNUE { | |
| // Class that holds the result of affine transformation of input features | |
| struct alignas(CacheLineSize) Accumulator { | |
| std::int16_t accumulation[2][TransformedFeatureDimensions]; | |
| std::int32_t psqtAccumulation[2][PSQTBuckets]; | |
| bool computed[2]; | |
| }; | |
| } // namespace Stockfish::Eval::NNUE | |