Files
Stockfish/src/movegen.h
nodchip 55a6b2bdc4 Merge branch 'master' of github.com:official-stockfish/Stockfish into nnue-player-merge
# 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
2020-08-08 15:55:42 +09:00

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/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2020 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/>.
*/
#ifndef MOVEGEN_H_INCLUDED
#define MOVEGEN_H_INCLUDED
#include <algorithm>
#include "types.h"
class Position;
enum GenType {
CAPTURES,
QUIETS,
QUIET_CHECKS,
EVASIONS,
NON_EVASIONS,
LEGAL
};
struct ExtMove {
Move move;
int value;
operator Move() const { return move; }
void operator=(Move m) { move = m; }
// Inhibit unwanted implicit conversions to Move
// with an ambiguity that yields to a compile error.
operator float() const = delete;
};
inline bool operator<(const ExtMove& f, const ExtMove& s) {
return f.value < s.value;
}
template<GenType>
ExtMove* generate(const Position& pos, ExtMove* moveList);
/// The MoveList struct is a simple wrapper around generate(). It sometimes comes
/// in handy to use this class instead of the low level generate() function.
template<GenType T>
struct MoveList {
explicit MoveList(const Position& pos) : last(generate<T>(pos, moveList)) {}
const ExtMove* begin() const { return moveList; }
const ExtMove* end() const { return last; }
size_t size() const { return last - moveList; }
bool contains(Move move) const {
return std::find(begin(), end(), move) != end();
}
// returns the i th element
const ExtMove at(size_t i) const { assert(0 <= i && i < size()); return begin()[i]; }
private:
ExtMove moveList[MAX_MOVES], *last;
};
#endif // #ifndef MOVEGEN_H_INCLUDED