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# Conflicts: # README.md # Readme.md # src/Makefile # src/evaluate.cpp # src/evaluate.h # src/misc.cpp # src/nnue/architectures/halfkp_256x2-32-32.h # src/nnue/evaluate_nnue.cpp # src/nnue/evaluate_nnue.h # src/nnue/features/feature_set.h # src/nnue/features/features_common.h # src/nnue/features/half_kp.cpp # src/nnue/features/half_kp.h # src/nnue/features/index_list.h # src/nnue/layers/affine_transform.h # src/nnue/layers/clipped_relu.h # src/nnue/layers/input_slice.h # src/nnue/nnue_accumulator.h # src/nnue/nnue_architecture.h # src/nnue/nnue_common.h # src/nnue/nnue_feature_transformer.h # src/position.cpp # src/position.h # src/types.h # src/ucioption.cpp # stockfish.md
48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
#ifndef _EVALUATE_MIR_INV_TOOLS_
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#define _EVALUATE_MIR_INV_TOOLS_
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#if defined(EVAL_NNUE) || defined(EVAL_LEARN)
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// PieceSquare's mirror (horizontal flip) and inverse (180° on the board) tools to get pieces.
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#include "../types.h"
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#include "../evaluate.h"
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#include <functional>
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namespace Eval
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{
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// -------------------------------------------------
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// tables
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// -------------------------------------------------
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// --- Provide Mirror and Inverse to PieceSquare.
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// These arrays are initialized by calling init() or init_mir_inv_tables();.
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// If you want to use only this table from the evaluation function,
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// Call init_mir_inv_tables().
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// These arrays are referenced from the KK/KKP/KPP classes below.
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// Returns the value when a certain PieceSquare is seen from the other side
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extern PieceSquare inv_piece(PieceSquare p);
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// Returns the one at the position where a PieceSquare on the board is mirrored.
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extern PieceSquare mir_piece(PieceSquare p);
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// callback called when initializing mir_piece/inv_piece
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// Used when extending fe_end on the user side.
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// Inv_piece_ and inv_piece_ are exposed because they are necessary for this initialization.
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// At the timing when mir_piece_init_function is called, until fe_old_end
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// It is guaranteed that these tables have been initialized.
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extern std::function<void()> mir_piece_init_function;
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extern int16_t mir_piece_[PieceSquare::PS_END];
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extern int16_t inv_piece_[PieceSquare::PS_END];
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// The table above will be initialized when you call this function explicitly or call init().
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extern void init_mir_inv_tables();
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}
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#endif // defined(EVAL_NNUE) || defined(EVAL_LEARN)
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#endif
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