WDL: rename WDLCursedLoss into WDLBlessedLoss

[stockfish] / src / psqt.cpp

diff --git a/src/psqt.cpp b/src/psqt.cpp
index 913d03530b263ee4ad37c05b17348f3314398539..56d966f05710c1ece833d9d9d04935a98ada9925 100644 (file)
--- a/src/psqt.cpp
+++ b/src/psqt.cpp
@@ -18,8 +18,15 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include <algorithm>
+
 #include "types.h"
 
+Value PieceValue[PHASE_NB][PIECE_NB] = {
+  { VALUE_ZERO, PawnValueMg, KnightValueMg, BishopValueMg, RookValueMg, QueenValueMg },
+  { VALUE_ZERO, PawnValueEg, KnightValueEg, BishopValueEg, RookValueEg, QueenValueEg }
+};
+
 namespace PSQT {
 
 #define S(mg, eg) make_score(mg, eg)
@@ -32,13 +39,12 @@ const Score Bonus[][RANK_NB][int(FILE_NB) / 2] = {
   { },
   { // Pawn
    { S(  0, 0), S(  0, 0), S(  0, 0), S( 0, 0) },
-   { S(-19, 5), S(  1,-4), S(  7, 8), S( 3,-2) },
-   { S(-26,-6), S( -7,-5), S( 19, 5), S(24, 4) },
-   { S(-25, 1), S(-14, 3), S( 16,-8), S(31,-3) },
-   { S(-14, 6), S(  0, 9), S( -1, 7), S(17,-6) },
-   { S(-14, 6), S(-13,-5), S(-10, 2), S(-6, 4) },
-   { S(-12, 1), S( 15,-9), S( -8, 1), S(-4,18) },
-   { S(  0, 0), S(  0, 0), S(  0, 0), S( 0, 0) }
+   { S(-11, 7), S(  6,-4), S(  7, 8), S( 3,-2) },
+   { S(-18,-4), S( -2,-5), S( 19, 5), S(24, 4) },
+   { S(-17, 3), S( -9, 3), S( 20,-8), S(35,-3) },
+   { S( -6, 8), S(  5, 9), S(  3, 7), S(21,-6) },
+   { S( -6, 8), S( -8,-5), S( -6, 2), S(-2, 4) },
+   { S( -4, 3), S( 20,-9), S( -8, 1), S(-4,18) }
   },
   { // Knight
    { S(-143, -97), S(-96,-82), S(-80,-46), S(-73,-14) },
@@ -81,37 +87,38 @@ const Score Bonus[][RANK_NB][int(FILE_NB) / 2] = {
    { S(-1,-75), S(-4,-54), S(-1,-44), S( 0,-30) }
   },
   { // King
-   { S(291, 28), S(344, 76), S(294,103), S(219,112) },
-   { S(289, 70), S(329,119), S(263,170), S(205,159) },
-   { S(226,109), S(271,164), S(202,195), S(136,191) },
-   { S(204,131), S(212,194), S(175,194), S(137,204) },
-   { S(177,132), S(205,187), S(143,224), S( 94,227) },
-   { S(147,118), S(188,178), S(113,199), S( 70,197) },
-   { S(116, 72), S(158,121), S( 93,142), S( 48,161) },
-   { S( 94, 30), S(120, 76), S( 78,101), S( 31,111) }
+   { S(260,  0), S(313, 48), S(263, 75), S(188, 84) },
+   { S(258, 42), S(298, 91), S(232,142), S(174,131) },
+   { S(195, 81), S(240,136), S(171,167), S(105,163) },
+   { S(173,103), S(181,166), S(144,166), S(106,176) },
+   { S(146,104), S(174,159), S(112,196), S( 63,199) },
+   { S(116, 90), S(157,150), S( 82,171), S( 39,169) },
+   { S( 85, 44), S(127, 93), S( 62,114), S( 17,133) },
+   { S( 63,  2), S( 89, 48), S( 47, 73), S(  0, 83) }
   }
 };
 
 #undef S
 
-Score psq[COLOR_NB][PIECE_TYPE_NB][SQUARE_NB];
+Score psq[PIECE_NB][SQUARE_NB];
 
-// init() initializes piece square tables: the white halves of the tables are
+// init() initializes piece-square tables: the white halves of the tables are
 // copied from Bonus[] adding the piece value, then the black halves of the
 // tables are initialized by flipping and changing the sign of the white scores.
 void init() {
 
-  for (PieceType pt = PAWN; pt <= KING; ++pt)
+  for (Piece pc = W_PAWN; pc <= W_KING; ++pc)
   {
-      PieceValue[MG][make_piece(BLACK, pt)] = PieceValue[MG][pt];
-      PieceValue[EG][make_piece(BLACK, pt)] = PieceValue[EG][pt];
+      PieceValue[MG][~pc] = PieceValue[MG][pc];
+      PieceValue[EG][~pc] = PieceValue[EG][pc];
 
-      Score v = make_score(PieceValue[MG][pt], PieceValue[EG][pt]);
+      Score v = make_score(PieceValue[MG][pc], PieceValue[EG][pc]);
 
       for (Square s = SQ_A1; s <= SQ_H8; ++s)
       {
-          int edgeDistance = file_of(s) < FILE_E ? file_of(s) : FILE_H - file_of(s);
-          psq[BLACK][pt][~s] = -(psq[WHITE][pt][s] = v + Bonus[pt][rank_of(s)][edgeDistance]);
+          File f = std::min(file_of(s), FILE_H - file_of(s));
+          psq[ pc][ s] = v + Bonus[pc][rank_of(s)][f];
+          psq[~pc][~s] = -psq[pc][s];
       }
   }
 }