X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=66be460d57375f94be1bace8fa775fb040b10de5;hp=bcfb70b49a3b4e8840b2e48ed749c5e91e4652ea;hb=4a0db9ea3c34d7663a039c40ce810ba9cb743cca;hpb=822695d4d3a9336dc54bfabd0996e75865358ae2 diff --git a/src/types.h b/src/types.h index bcfb70b4..66be460d 100644 --- a/src/types.h +++ b/src/types.h @@ -2,7 +2,7 @@ Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad - Copyright (C) 2015-2017 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad + Copyright (C) 2015-2018 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -80,28 +80,28 @@ #endif #ifdef USE_POPCNT -const bool HasPopCnt = true; +constexpr bool HasPopCnt = true; #else -const bool HasPopCnt = false; +constexpr bool HasPopCnt = false; #endif #ifdef USE_PEXT -const bool HasPext = true; +constexpr bool HasPext = true; #else -const bool HasPext = false; +constexpr bool HasPext = false; #endif #ifdef IS_64BIT -const bool Is64Bit = true; +constexpr bool Is64Bit = true; #else -const bool Is64Bit = false; +constexpr bool Is64Bit = false; #endif typedef uint64_t Key; typedef uint64_t Bitboard; -const int MAX_MOVES = 256; -const int MAX_PLY = 128; +constexpr int MAX_MOVES = 256; +constexpr int MAX_PLY = 128; /// A move needs 16 bits to be stored /// @@ -145,12 +145,6 @@ enum CastlingRight { CASTLING_RIGHT_NB = 16 }; -template struct MakeCastling { - static constexpr CastlingRight - right = C == WHITE ? S == QUEEN_SIDE ? WHITE_OOO : WHITE_OO - : S == QUEEN_SIDE ? BLACK_OOO : BLACK_OO; -}; - enum Phase { PHASE_ENDGAME, PHASE_MIDGAME = 128, @@ -159,7 +153,6 @@ enum Phase { enum ScaleFactor { SCALE_FACTOR_DRAW = 0, - SCALE_FACTOR_ONEPAWN = 48, SCALE_FACTOR_NORMAL = 64, SCALE_FACTOR_MAX = 128, SCALE_FACTOR_NONE = 255 @@ -183,11 +176,11 @@ enum Value : int { VALUE_MATE_IN_MAX_PLY = VALUE_MATE - 2 * MAX_PLY, VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + 2 * MAX_PLY, - PawnValueMg = 171, PawnValueEg = 240, - KnightValueMg = 764, KnightValueEg = 848, - BishopValueMg = 826, BishopValueEg = 891, - RookValueMg = 1282, RookValueEg = 1373, - QueenValueMg = 2526, QueenValueEg = 2646, + PawnValueMg = 142, PawnValueEg = 207, + KnightValueMg = 784, KnightValueEg = 868, + BishopValueMg = 828, BishopValueEg = 916, + RookValueMg = 1286, RookValueEg = 1378, + QueenValueMg = 2529, QueenValueEg = 2687, MidgameLimit = 15258, EndgameLimit = 3915 }; @@ -195,7 +188,6 @@ enum Value : int { enum PieceType { NO_PIECE_TYPE, PAWN, KNIGHT, BISHOP, ROOK, QUEEN, KING, ALL_PIECES = 0, - QUEEN_DIAGONAL = 7, PIECE_TYPE_NB = 8 }; @@ -258,10 +250,10 @@ enum Rank : int { }; -/// Score enum stores a middlegame and an endgame value in a single integer -/// (enum). The least significant 16 bits are used to store the endgame value -/// and the upper 16 bits are used to store the middlegame value. Take some -/// care to avoid left-shifting a signed int to avoid undefined behavior. +/// Score enum stores a middlegame and an endgame value in a single integer (enum). +/// The least significant 16 bits are used to store the middlegame value and the +/// upper 16 bits are used to store the endgame value. We have to take care to +/// avoid left-shifting a signed int to avoid undefined behavior. enum Score : int { SCORE_ZERO }; constexpr Score make_score(int mg, int eg) { @@ -326,14 +318,14 @@ inline Value& operator+=(Value& v, int i) { return v = v + i; } inline Value& operator-=(Value& v, int i) { return v = v - i; } /// Additional operators to add a Direction to a Square -inline Square operator+(Square s, Direction d) { return Square(int(s) + int(d)); } -inline Square operator-(Square s, Direction d) { return Square(int(s) - int(d)); } -inline Square& operator+=(Square &s, Direction d) { return s = s + d; } -inline Square& operator-=(Square &s, Direction d) { return s = s - d; } +constexpr Square operator+(Square s, Direction d) { return Square(int(s) + int(d)); } +constexpr Square operator-(Square s, Direction d) { return Square(int(s) - int(d)); } +inline Square& operator+=(Square& s, Direction d) { return s = s + d; } +inline Square& operator-=(Square& s, Direction d) { return s = s - d; } /// Only declared but not defined. We don't want to multiply two scores due to /// a very high risk of overflow. So user should explicitly convert to integer. -Score operator*(Score s1, Score s2) = delete; +Score operator*(Score, Score) = delete; /// Division of a Score must be handled separately for each term inline Score operator/(Score s, int i) { @@ -347,7 +339,7 @@ inline Score operator*(Score s, int i) { assert(eg_value(result) == (i * eg_value(s))); assert(mg_value(result) == (i * mg_value(s))); - assert((i == 0) || (result / i) == s ); + assert((i == 0) || (result / i) == s); return result; } @@ -450,7 +442,7 @@ constexpr PieceType promotion_type(Move m) { return PieceType(((m >> 12) & 3) + KNIGHT); } -inline Move make_move(Square from, Square to) { +constexpr Move make_move(Square from, Square to) { return Move((from << 6) + to); }