X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=7c5776ab3baaad266c790e90efc60bf4a7280152;hp=d725c1367bf66504b41d79ec014688668502d96f;hb=950c8436edc50857b83eb3e0cbaca06407764655;hpb=4840643fedbfc33d118cdc13c8435b062e3da99b diff --git a/src/types.h b/src/types.h index d725c136..7c5776ab 100644 --- a/src/types.h +++ b/src/types.h @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2014 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, 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 @@ -20,20 +20,19 @@ #ifndef TYPES_H_INCLUDED #define TYPES_H_INCLUDED -/// For Linux and OSX configuration is done automatically using Makefile. To get -/// started type 'make help'. +/// When compiling with provided Makefile (e.g. for Linux and OSX), configuration +/// is done automatically. To get started type 'make help'. /// -/// For Windows, part of the configuration is detected automatically, but some -/// switches need to be set manually: +/// When Makefile is not used (e.g. with Microsoft Visual Studio) some switches +/// need to be set manually: /// -/// -DNDEBUG | Disable debugging mode. Always use this. +/// -DNDEBUG | Disable debugging mode. Always use this for release. /// -/// -DNO_PREFETCH | Disable use of prefetch asm-instruction. A must if you want -/// | the executable to run on some very old machines. +/// -DNO_PREFETCH | Disable use of prefetch asm-instruction. You may need this to +/// | run on some very old machines. /// /// -DUSE_POPCNT | Add runtime support for use of popcnt asm-instruction. Works -/// | only in 64-bit mode. For compiling requires hardware with -/// | popcnt support. +/// | only in 64-bit mode and requires hardware with popcnt support. #include #include @@ -42,30 +41,35 @@ #include "platform.h" -#define unlikely(x) (x) // For code annotation purposes +/// Predefined macros hell: +/// +/// __GNUC__ Compiler is gcc, Clang or Intel on Linux +/// __INTEL_COMPILER Compiler is Intel +/// _MSC_VER Compiler is MSVC or Intel on Windows +/// _WIN32 Building on Windows (any) +/// _WIN64 Building on Windows 64 bit -#if defined(_WIN64) && !defined(IS_64BIT) +#if defined(_WIN64) && !defined(IS_64BIT) // Last condition means Makefile is not used # include // MSVC popcnt and bsfq instrinsics # define IS_64BIT # define USE_BSFQ #endif -#if defined(USE_POPCNT) && defined(_MSC_VER) && defined(__INTEL_COMPILER) +#if defined(USE_POPCNT) && defined(__INTEL_COMPILER) && defined(_MSC_VER) # include // Intel header for _mm_popcnt_u64() intrinsic #endif +#if !defined(NO_PREFETCH) && (defined(__INTEL_COMPILER) || defined(_MSC_VER)) +# include // Intel and Microsoft header for _mm_prefetch() +#endif + #if defined(USE_PEXT) # include // Header for _pext_u64() intrinsic +# define pext(b, m) _pext_u64(b, m) #else -# define _pext_u64(b, m) (0) +# define pext(b, m) (0) #endif -# if !defined(NO_PREFETCH) && (defined(__INTEL_COMPILER) || defined(_MSC_VER)) -# include // Intel and Microsoft header for _mm_prefetch() -# endif - -#define CACHE_LINE_SIZE 64 - #ifdef _MSC_VER # define FORCE_INLINE __forceinline #elif defined(__GNUC__) @@ -133,9 +137,9 @@ enum CastlingSide { enum CastlingRight { NO_CASTLING, WHITE_OO, - WHITE_OOO = WHITE_OO << 1, - BLACK_OO = WHITE_OO << 2, - BLACK_OOO = WHITE_OO << 3, + WHITE_OOO = WHITE_OO << 1, + BLACK_OO = WHITE_OO << 2, + BLACK_OOO = WHITE_OO << 3, ANY_CASTLING = WHITE_OO | WHITE_OOO | BLACK_OO | BLACK_OOO, CASTLING_RIGHT_NB = 16 }; @@ -175,8 +179,8 @@ enum Value { VALUE_INFINITE = 32001, VALUE_NONE = 32002, - VALUE_MATE_IN_MAX_PLY = VALUE_MATE - MAX_PLY, - VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + MAX_PLY, + VALUE_MATE_IN_MAX_PLY = VALUE_MATE - 2 * MAX_PLY, + VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + 2 * MAX_PLY, VALUE_ENSURE_INTEGER_SIZE_P = INT_MAX, VALUE_ENSURE_INTEGER_SIZE_N = INT_MIN, @@ -251,9 +255,9 @@ enum Rank { }; -/// The 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. The compiler +/// Score enum stores a middlegame and an endgame value in a single integer. +/// The least significant 16 bits are used to store the endgame value and +/// the upper 16 bits are used to store the middlegame value. The compiler /// is free to choose the enum type as long as it can store the data, so we /// ensure that Score is an integer type by assigning some big int values. enum Score { @@ -262,36 +266,41 @@ enum Score { SCORE_ENSURE_INTEGER_SIZE_N = INT_MIN }; -inline Score make_score(int mg, int eg) { return Score((mg << 16) + eg); } +inline Score make_score(int mg, int eg) { + return Score((mg << 16) + eg); +} /// Extracting the signed lower and upper 16 bits is not so trivial because /// according to the standard a simple cast to short is implementation defined /// and so is a right shift of a signed integer. inline Value mg_value(Score s) { - return Value(((s + 0x8000) & ~0xffff) / 0x10000); + + union { uint16_t u; int16_t s; } mg = { uint16_t(unsigned(s + 0x8000) >> 16) }; + return Value(mg.s); } inline Value eg_value(Score s) { - return Value((int)(unsigned(s) & 0x7FFFU) - (int)(unsigned(s) & 0x8000U)); + + union { uint16_t u; int16_t s; } eg = { uint16_t(unsigned(s)) }; + return Value(eg.s); } -#define ENABLE_BASE_OPERATORS_ON(T) \ -inline T operator+(const T d1, const T d2) { return T(int(d1) + int(d2)); } \ -inline T operator-(const T d1, const T d2) { return T(int(d1) - int(d2)); } \ -inline T operator*(int i, const T d) { return T(i * int(d)); } \ -inline T operator*(const T d, int i) { return T(int(d) * i); } \ -inline T operator-(const T d) { return T(-int(d)); } \ -inline T& operator+=(T& d1, const T d2) { return d1 = d1 + d2; } \ -inline T& operator-=(T& d1, const T d2) { return d1 = d1 - d2; } \ +#define ENABLE_BASE_OPERATORS_ON(T) \ +inline T operator+(T d1, T d2) { return T(int(d1) + int(d2)); } \ +inline T operator-(T d1, T d2) { return T(int(d1) - int(d2)); } \ +inline T operator*(int i, T d) { return T(i * int(d)); } \ +inline T operator*(T d, int i) { return T(int(d) * i); } \ +inline T operator-(T d) { return T(-int(d)); } \ +inline T& operator+=(T& d1, T d2) { return d1 = d1 + d2; } \ +inline T& operator-=(T& d1, T d2) { return d1 = d1 - d2; } \ inline T& operator*=(T& d, int i) { return d = T(int(d) * i); } -ENABLE_BASE_OPERATORS_ON(Score) - -#define ENABLE_FULL_OPERATORS_ON(T) \ -ENABLE_BASE_OPERATORS_ON(T) \ -inline T& operator++(T& d) { return d = T(int(d) + 1); } \ -inline T& operator--(T& d) { return d = T(int(d) - 1); } \ -inline T operator/(const T d, int i) { return T(int(d) / i); } \ +#define ENABLE_FULL_OPERATORS_ON(T) \ +ENABLE_BASE_OPERATORS_ON(T) \ +inline T& operator++(T& d) { return d = T(int(d) + 1); } \ +inline T& operator--(T& d) { return d = T(int(d) - 1); } \ +inline T operator/(T d, int i) { return T(int(d) / i); } \ +inline int operator/(T d1, T d2) { return int(d1) / int(d2); } \ inline T& operator/=(T& d, int i) { return d = T(int(d) / i); } ENABLE_FULL_OPERATORS_ON(Value) @@ -303,6 +312,8 @@ ENABLE_FULL_OPERATORS_ON(Square) ENABLE_FULL_OPERATORS_ON(File) ENABLE_FULL_OPERATORS_ON(Rank) +ENABLE_BASE_OPERATORS_ON(Score) + #undef ENABLE_FULL_OPERATORS_ON #undef ENABLE_BASE_OPERATORS_ON @@ -323,15 +334,6 @@ inline Score operator/(Score s, int i) { extern Value PieceValue[PHASE_NB][PIECE_NB]; -struct ExtMove { - Move move; - Value value; -}; - -inline bool operator<(const ExtMove& f, const ExtMove& s) { - return f.value < s.value; -} - inline Color operator~(Color c) { return Color(c ^ BLACK); } @@ -428,7 +430,7 @@ inline Move make(Square from, Square to, PieceType pt = KNIGHT) { } inline bool is_ok(Move m) { - return from_sq(m) != to_sq(m); // Catch also MOVE_NULL and MOVE_NONE + return from_sq(m) != to_sq(m); // Catch MOVE_NULL and MOVE_NONE } #endif // #ifndef TYPES_H_INCLUDED