X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fvalue.h;h=ef638923e79d5880430c2d3c934c56a8d4e3880a;hp=512cc2f90aef7a8d725782a258922ba40bfd8b81;hb=83d8d542166d77f5417d334d2e6138ace0820ae4;hpb=0e800c527a9773ab986e185dae291695a4ca83ee diff --git a/src/value.h b/src/value.h index 512cc2f9..ef638923 100644 --- a/src/value.h +++ b/src/value.h @@ -21,13 +21,6 @@ #if !defined(VALUE_H_INCLUDED) #define VALUE_H_INCLUDED -//// -//// Includes -//// - -#include "piece.h" - - //// //// Types //// @@ -41,6 +34,7 @@ enum ValueType { enum Value { + VALUE_ZERO = 0, VALUE_DRAW = 0, VALUE_KNOWN_WIN = 15000, VALUE_MATE = 30000, @@ -49,6 +43,8 @@ enum Value { VALUE_ENSURE_SIGNED = -1 }; +ENABLE_OPERATORS_ON(Value) + enum ScaleFactor { SCALE_FACTOR_ZERO = 0, @@ -64,7 +60,11 @@ enum ScaleFactor { // Compiler is free to choose the enum type as long as can keep // its data, so ensure Score to be an integer type. -enum Score { ENSURE_32_BITS_SIZE_P = (1 << 16), ENSURE_32_BITS_SIZE_N = -(1 << 16)}; +enum Score { + SCORE_ZERO = 0, + SCORE_ENSURE_32_BITS_SIZE_P = (1 << 16), + SCORE_ENSURE_32_BITS_SIZE_N = -(1 << 16) +}; // Extracting the _signed_ lower and upper 16 bits it not so trivial // because according to the standard a simple cast to short is @@ -88,53 +88,16 @@ inline Score operator/(Score s, int i) { return make_score(mg_value(s) / i, eg_v // a very high risk of overflow. So user should explicitly convert to integer. inline Score operator*(Score s1, Score s2); - -//// -//// Constants and variables -//// - -/// Piece values, middle game and endgame - -/// Important: If the material values are changed, one must also -/// adjust the piece square tables, and the method game_phase() in the -/// Position class! -/// -/// Values modified by Joona Kiiski - -const Value PawnValueMidgame = Value(0x0C6); -const Value PawnValueEndgame = Value(0x102); -const Value KnightValueMidgame = Value(0x331); -const Value KnightValueEndgame = Value(0x34E); -const Value BishopValueMidgame = Value(0x344); -const Value BishopValueEndgame = Value(0x359); -const Value RookValueMidgame = Value(0x4F6); -const Value RookValueEndgame = Value(0x4FE); -const Value QueenValueMidgame = Value(0x9D9); -const Value QueenValueEndgame = Value(0x9FE); - -const Value PieceValueMidgame[17] = { - Value(0), - PawnValueMidgame, KnightValueMidgame, BishopValueMidgame, - RookValueMidgame, QueenValueMidgame, - Value(0), Value(0), Value(0), - PawnValueMidgame, KnightValueMidgame, BishopValueMidgame, - RookValueMidgame, QueenValueMidgame, - Value(0), Value(0), Value(0) -}; - -const Value PieceValueEndgame[17] = { - Value(0), - PawnValueEndgame, KnightValueEndgame, BishopValueEndgame, - RookValueEndgame, QueenValueEndgame, - Value(0), Value(0), Value(0), - PawnValueEndgame, KnightValueEndgame, BishopValueEndgame, - RookValueEndgame, QueenValueEndgame, - Value(0), Value(0), Value(0) -}; - -/// Bonus for having the side to move (modified by Joona Kiiski) - -const Score TempoValue = make_score(48, 22); +// Rest of operators are standard: +inline Score operator+ (const Score d1, const Score d2) { return Score(int(d1) + int(d2)); } +inline Score operator- (const Score d1, const Score d2) { return Score(int(d1) - int(d2)); } +inline Score operator* (int i, const Score d) { return Score(i * int(d)); } +inline Score operator* (const Score d, int i) { return Score(int(d) * i); } +inline Score operator- (const Score d) { return Score(-int(d)); } +inline void operator+= (Score& d1, const Score d2) { d1 = d1 + d2; } +inline void operator-= (Score& d1, const Score d2) { d1 = d1 - d2; } +inline void operator*= (Score& d, int i) { d = Score(int(d) * i); } +inline void operator/= (Score& d, int i) { d = Score(int(d) / i); } //// @@ -153,28 +116,4 @@ inline Value value_mated_in(int ply) { return -VALUE_MATE + ply; } -inline bool is_upper_bound(ValueType vt) { - return (int(vt) & int(VALUE_TYPE_UPPER)) != 0; -} - -inline bool is_lower_bound(ValueType vt) { - return (int(vt) & int(VALUE_TYPE_LOWER)) != 0; -} - -inline Value piece_value_midgame(PieceType pt) { - return PieceValueMidgame[pt]; -} - -inline Value piece_value_endgame(PieceType pt) { - return PieceValueEndgame[pt]; -} - -inline Value piece_value_midgame(Piece p) { - return PieceValueMidgame[p]; -} - -inline Value piece_value_endgame(Piece p) { - return PieceValueEndgame[p]; -} - #endif // !defined(VALUE_H_INCLUDED)