X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Fpsqt.cpp;h=d3ebb20da1b5d100d55b7585722383214c1d77f1;hb=HEAD;hp=7e645d44335091eeb7949e14b3b97b95467e3190;hpb=aa31f7f096adef50fe119b41d4e7834c41fec310;p=stockfish diff --git a/src/psqt.cpp b/src/psqt.cpp deleted file mode 100644 index 7e645d44..00000000 --- a/src/psqt.cpp +++ /dev/null @@ -1,119 +0,0 @@ -/* - 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) 2015-2016 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 - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - Stockfish is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . -*/ - -#include "types.h" - -namespace PSQT { - -#define S(mg, eg) make_score(mg, eg) - -// Bonus[PieceType][Square / 2] contains Piece-Square scores. For each piece -// type on a given square a (middlegame, endgame) score pair is assigned. Table -// is defined for files A..D and white side: it is symmetric for black side and -// second half of the files. -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( 20,-8), S(35,-3) }, - { S(-14, 6), S( 0, 9), S( 3, 7), S(21,-6) }, - { S(-14, 6), S(-13,-5), S( -6, 2), S(-2, 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) } - }, - { // Knight - { S(-143, -97), S(-96,-82), S(-80,-46), S(-73,-14) }, - { S( -83, -69), S(-43,-55), S(-21,-17), S(-10, 9) }, - { S( -71, -50), S(-22,-39), S( 0, -8), S( 9, 28) }, - { S( -25, -41), S( 18,-25), S( 43, 7), S( 47, 38) }, - { S( -26, -46), S( 16,-25), S( 38, 2), S( 50, 41) }, - { S( -11, -55), S( 37,-38), S( 56, -8), S( 71, 27) }, - { S( -62, -64), S(-17,-50), S( 5,-24), S( 14, 13) }, - { S(-195,-110), S(-66,-90), S(-42,-50), S(-29,-13) } - }, - { // Bishop - { S(-54,-68), S(-23,-40), S(-35,-46), S(-44,-28) }, - { S(-30,-43), S( 10,-17), S( 2,-23), S( -9, -5) }, - { S(-19,-32), S( 17, -9), S( 11,-13), S( 1, 8) }, - { S(-21,-36), S( 18,-13), S( 11,-15), S( 0, 7) }, - { S(-21,-36), S( 14,-14), S( 6,-17), S( -1, 3) }, - { S(-27,-35), S( 6,-13), S( 2,-10), S( -8, 1) }, - { S(-33,-44), S( 7,-21), S( -4,-22), S(-12, -4) }, - { S(-45,-65), S(-21,-42), S(-29,-46), S(-39,-27) } - }, - { // Rook - { S(-25, 0), S(-16, 0), S(-16, 0), S(-9, 0) }, - { S(-21, 0), S( -8, 0), S( -3, 0), S( 0, 0) }, - { S(-21, 0), S( -9, 0), S( -4, 0), S( 2, 0) }, - { S(-22, 0), S( -6, 0), S( -1, 0), S( 2, 0) }, - { S(-22, 0), S( -7, 0), S( 0, 0), S( 1, 0) }, - { S(-21, 0), S( -7, 0), S( 0, 0), S( 2, 0) }, - { S(-12, 0), S( 4, 0), S( 8, 0), S(12, 0) }, - { S(-23, 0), S(-15, 0), S(-11, 0), S(-5, 0) } - }, - { // Queen - { S( 0,-70), S(-3,-57), S(-4,-41), S(-1,-29) }, - { S(-4,-58), S( 6,-30), S( 9,-21), S( 8, -4) }, - { S(-2,-39), S( 6,-17), S( 9, -7), S( 9, 5) }, - { S(-1,-29), S( 8, -5), S(10, 9), S( 7, 17) }, - { S(-3,-27), S( 9, -5), S( 8, 10), S( 7, 23) }, - { S(-2,-40), S( 6,-16), S( 8,-11), S(10, 3) }, - { S(-2,-54), S( 7,-30), S( 7,-21), S( 6, -7) }, - { 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) } - } -}; - -#undef S - -Score psq[COLOR_NB][PIECE_TYPE_NB][SQUARE_NB]; - -// 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) - { - PieceValue[MG][make_piece(BLACK, pt)] = PieceValue[MG][pt]; - PieceValue[EG][make_piece(BLACK, pt)] = PieceValue[EG][pt]; - - Score v = make_score(PieceValue[MG][pt], PieceValue[EG][pt]); - - 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]); - } - } -} - -} // namespace PSQT