X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=40a2baa0099e2da6ac006cc6bc6b86c225169374;hp=4c8c813408993a33706d4eab4aaf1b0c1d3f8587;hb=764d3f44b68c01eeb9e7759e75aebe18488322c1;hpb=3dccdf5b835b9856bcf869fbad90ae4914a2813c

diff --git a/src/types.h b/src/types.h
index 4c8c8134..40a2baa0 100644
--- a/src/types.h
+++ b/src/types.h
@@ -35,44 +35,11 @@
 ///               | only in 64-bit mode. For compiling requires hardware with
 ///               | popcnt support.
 
+#include <cctype>
 #include <climits>
 #include <cstdlib>
 
-#if defined(_MSC_VER)
-
-// Disable some silly and noisy warning from MSVC compiler
-#pragma warning(disable: 4127) // Conditional expression is constant
-#pragma warning(disable: 4146) // Unary minus operator applied to unsigned type
-#pragma warning(disable: 4800) // Forcing value to bool 'true' or 'false'
-#pragma warning(disable: 4996) // Function _ftime() may be unsafe
-
-// MSVC does not support <inttypes.h>
-typedef   signed __int8    int8_t;
-typedef unsigned __int8   uint8_t;
-typedef   signed __int16  int16_t;
-typedef unsigned __int16 uint16_t;
-typedef   signed __int32  int32_t;
-typedef unsigned __int32 uint32_t;
-typedef   signed __int64  int64_t;
-typedef unsigned __int64 uint64_t;
-
-#else
-#  include <inttypes.h>
-#endif
-
-#if defined(_WIN32) || defined(_WIN64)
-#  include <sys/timeb.h>
-typedef _timeb sys_time_t;
-
-inline void system_time(sys_time_t* t) { _ftime(t); }
-inline uint64_t time_to_msec(const sys_time_t& t) { return t.time * 1000LL + t.millitm; }
-#else
-#  include <sys/time.h>
-typedef timeval sys_time_t;
-
-inline void system_time(sys_time_t* t) { gettimeofday(t, NULL); }
-inline uint64_t time_to_msec(const sys_time_t& t) { return t.tv_sec * 1000LL + t.tv_usec / 1000; }
-#endif
+#include "platform.h"
 
 #if defined(_WIN64)
 #  include <intrin.h> // MSVC popcnt and bsfq instrinsics
@@ -113,8 +80,8 @@ const bool Is64Bit = false;
 typedef uint64_t Key;
 typedef uint64_t Bitboard;
 
-const int MAX_MOVES      = 256;
-const int MAX_PLY        = 256;
+const int MAX_MOVES      = 192;
+const int MAX_PLY        = 100;
 const int MAX_PLY_PLUS_2 = MAX_PLY + 2;
 
 const Bitboard FileABB = 0x0101010101010101ULL;
@@ -161,15 +128,20 @@ inline bool operator<(const MoveStack& f, const MoveStack& s) {
   return f.score < s.score;
 }
 
-enum CastleRight {
+enum CastleRight {  // Defined as in PolyGlot book hash key
   CASTLES_NONE = 0,
   WHITE_OO     = 1,
-  BLACK_OO     = 2,
-  WHITE_OOO    = 4,
+  WHITE_OOO    = 2,
+  BLACK_OO     = 4,
   BLACK_OOO    = 8,
   ALL_CASTLES  = 15
 };
 
+enum CastlingSide {
+  KING_SIDE,
+  QUEEN_SIDE
+};
+
 enum ScaleFactor {
   SCALE_FACTOR_DRAW   = 0,
   SCALE_FACTOR_NORMAL = 64,
@@ -200,7 +172,7 @@ enum Value {
 };
 
 enum PieceType {
-  NO_PIECE_TYPE = 0,
+  NO_PIECE_TYPE = 0, ALL_PIECES = 0,
   PAWN = 1, KNIGHT = 2, BISHOP = 3, ROOK = 4, QUEEN = 5, KING = 6
 };
 
@@ -331,31 +303,36 @@ inline Score operator/(Score s, int i) {
   return make_score(mg_value(s) / i, eg_value(s) / i);
 }
 
+/// Weight score v by score w trying to prevent overflow
+inline Score apply_weight(Score v, Score w) {
+  return make_score((int(mg_value(v)) * mg_value(w)) / 0x100,
+                    (int(eg_value(v)) * eg_value(w)) / 0x100);
+}
+
 #undef ENABLE_OPERATORS_ON
 #undef ENABLE_SAFE_OPERATORS_ON
 
-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 PawnValueMidgame   = Value(198);
+const Value PawnValueEndgame   = Value(258);
+const Value KnightValueMidgame = Value(817);
+const Value KnightValueEndgame = Value(846);
+const Value BishopValueMidgame = Value(836);
+const Value BishopValueEndgame = Value(857);
+const Value RookValueMidgame   = Value(1270);
+const Value RookValueEndgame   = Value(1278);
+const Value QueenValueMidgame  = Value(2521);
+const Value QueenValueEndgame  = Value(2558);
 
 extern const Value PieceValueMidgame[17]; // Indexed by Piece or PieceType
 extern const Value PieceValueEndgame[17];
 extern int SquareDistance[64][64];
-extern uint8_t BitCount8Bit[256];
 
 inline Color operator~(Color c) {
   return Color(c ^ 1);
 }
 
 inline Square operator~(Square s) {
-  return Square(s ^ 56);
+  return Square(s ^ 56); // Vertical flip SQ_A1 -> SQ_A8
 }
 
 inline Value mate_in(int ply) {
@@ -370,6 +347,10 @@ inline Piece make_piece(Color c, PieceType pt) {
   return Piece((c << 3) | pt);
 }
 
+inline CastleRight make_castle_right(Color c, CastlingSide s) {
+  return CastleRight(WHITE_OO << ((s == QUEEN_SIDE) + 2 * c));
+}
+
 inline PieceType type_of(Piece p)  {
   return PieceType(p & 7);
 }
@@ -382,7 +363,7 @@ inline Square make_square(File f, Rank r) {
   return Square((r << 3) | f);
 }
 
-inline bool square_is_ok(Square s) {
+inline bool is_ok(Square s) {
   return s >= SQ_A1 && s <= SQ_H8;
 }
 
@@ -395,7 +376,7 @@ inline Rank rank_of(Square s) {
 }
 
 inline Square mirror(Square s) {
-  return Square(s ^ 7);
+  return Square(s ^ 7); // Horizontal flip SQ_A1 -> SQ_H1
 }
 
 inline Square relative_square(Color c, Square s) {
@@ -411,7 +392,7 @@ inline Rank relative_rank(Color c, Square s) {
 }
 
 inline bool opposite_colors(Square s1, Square s2) {
-  int s = s1 ^ s2;
+  int s = int(s1) ^ int(s2);
   return ((s >> 3) ^ s) & 1;
 }