X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fendgame.cpp;h=bb756f3b20cd558922c4fc6c416b055e962c3b6d;hp=24c8c5d41c344dd3cd501d6e955024eb7988ff17;hb=00d9fe8af09891e82d66f88c48b513d6a7326f2a;hpb=5ee7dfebf7a8c969e45cba632d21e2fd5727ba60 diff --git a/src/endgame.cpp b/src/endgame.cpp index 24c8c5d4..bb756f3b 100644 --- a/src/endgame.cpp +++ b/src/endgame.cpp @@ -24,7 +24,6 @@ #include -#include "bitbase.h" #include "bitcount.h" #include "endgame.h" @@ -102,6 +101,7 @@ namespace { /// init_bitbases() is called during program initialization, and simply loads /// bitbases from disk into memory. At the moment, there is only the bitbase /// for KP vs K, but we may decide to add other bitbases later. +extern void generate_kpk_bitbase(uint8_t bitbase[]); void init_bitbases() { generate_kpk_bitbase(KPKBitbase); @@ -115,8 +115,8 @@ void init_bitbases() { template<> Value EvaluationFunction::apply(const Position& pos) const { - assert(pos.non_pawn_material(weakerSide) == Value(0)); - assert(pos.piece_count(weakerSide, PAWN) == Value(0)); + assert(pos.non_pawn_material(weakerSide) == VALUE_ZERO); + assert(pos.piece_count(weakerSide, PAWN) == VALUE_ZERO); Square winnerKSq = pos.king_square(strongerSide); Square loserKSq = pos.king_square(weakerSide); @@ -141,8 +141,8 @@ Value EvaluationFunction::apply(const Position& pos) const { template<> Value EvaluationFunction::apply(const Position& pos) const { - assert(pos.non_pawn_material(weakerSide) == Value(0)); - assert(pos.piece_count(weakerSide, PAWN) == Value(0)); + assert(pos.non_pawn_material(weakerSide) == VALUE_ZERO); + assert(pos.piece_count(weakerSide, PAWN) == VALUE_ZERO); assert(pos.non_pawn_material(strongerSide) == KnightValueMidgame + BishopValueMidgame); assert(pos.piece_count(strongerSide, BISHOP) == 1); assert(pos.piece_count(strongerSide, KNIGHT) == 1); @@ -173,8 +173,8 @@ Value EvaluationFunction::apply(const Position& pos) const { template<> Value EvaluationFunction::apply(const Position& pos) const { - assert(pos.non_pawn_material(strongerSide) == Value(0)); - assert(pos.non_pawn_material(weakerSide) == Value(0)); + assert(pos.non_pawn_material(strongerSide) == VALUE_ZERO); + assert(pos.non_pawn_material(weakerSide) == VALUE_ZERO); assert(pos.piece_count(strongerSide, PAWN) == 1); assert(pos.piece_count(weakerSide, PAWN) == 0); @@ -357,7 +357,7 @@ Value EvaluationFunction::apply(const Position& pos) const { result += Value(square_distance(bksq, nsq) * 32); // Bonus for restricting the knight's mobility - result += Value((8 - count_1s_max_15(pos.attacks_from(nsq))) * 8); + result += Value((8 - count_1s(pos.attacks_from(nsq))) * 8); return strongerSide == pos.side_to_move() ? result : -result; } @@ -367,12 +367,12 @@ Value EvaluationFunction::apply(const Position& pos) const { /// king alone are always draw. template<> Value EvaluationFunction::apply(const Position&) const { - return Value(0); + return VALUE_DRAW; } template<> Value EvaluationFunction::apply(const Position&) const { - return Value(0); + return VALUE_DRAW; } /// KBPKScalingFunction scales endgames where the stronger side has king, @@ -625,9 +625,9 @@ ScaleFactor ScalingFunction::apply(const Position& pos) const { template<> ScaleFactor ScalingFunction::apply(const Position& pos) const { - assert(pos.non_pawn_material(strongerSide) == Value(0)); + assert(pos.non_pawn_material(strongerSide) == VALUE_ZERO); assert(pos.piece_count(strongerSide, PAWN) >= 2); - assert(pos.non_pawn_material(weakerSide) == Value(0)); + assert(pos.non_pawn_material(weakerSide) == VALUE_ZERO); assert(pos.piece_count(weakerSide, PAWN) == 0); Square ksq = pos.king_square(weakerSide); @@ -824,7 +824,7 @@ ScaleFactor ScalingFunction::apply(const Position& pos) const { assert(pos.non_pawn_material(strongerSide) == KnightValueMidgame); assert(pos.piece_count(strongerSide, KNIGHT) == 1); assert(pos.piece_count(strongerSide, PAWN) == 1); - assert(pos.non_pawn_material(weakerSide) == Value(0)); + assert(pos.non_pawn_material(weakerSide) == VALUE_ZERO); assert(pos.piece_count(weakerSide, PAWN) == 0); Square pawnSq = pos.piece_list(strongerSide, PAWN, 0); @@ -851,8 +851,8 @@ ScaleFactor ScalingFunction::apply(const Position& pos) const { template<> ScaleFactor ScalingFunction::apply(const Position& pos) const { - assert(pos.non_pawn_material(strongerSide) == Value(0)); - assert(pos.non_pawn_material(weakerSide) == Value(0)); + assert(pos.non_pawn_material(strongerSide) == VALUE_ZERO); + assert(pos.non_pawn_material(weakerSide) == VALUE_ZERO); assert(pos.piece_count(WHITE, PAWN) == 1); assert(pos.piece_count(BLACK, PAWN) == 1);