X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fendgame.h;h=43a685572aa710f15c5a9da2b037ddb23309d175;hp=011299ac6493c012f353102b1e34c0301c666308;hb=aa925a0e2905042a978860a75798398cb79b2600;hpb=d3c4618b3ac0e444ce3b9dd894b87f86a50863c5;ds=sidebyside

diff --git a/src/endgame.h b/src/endgame.h
index 011299ac..43a68557 100644
--- a/src/endgame.h
+++ b/src/endgame.h
@@ -45,6 +45,7 @@ enum EndgameType {
     KRKN,  // KR vs KN
     KQKR,  // KQ vs KR
     KBBKN, // KBB vs KN
+    KNNK,  // KNN vs K
     KmmKm, // K and two minors vs K and one or two minors
 
     // Scaling functions
@@ -68,6 +69,7 @@ public:
   EndgameFunctionBase(Color c) : strongerSide(c), weakerSide(opposite_color(c)) {}
   virtual ~EndgameFunctionBase() {}
   virtual T apply(const Position&) = 0;
+  Color color() const { return strongerSide; }
 
 protected:
   Color strongerSide, weakerSide;
@@ -81,42 +83,19 @@ typedef EndgameFunctionBase<ScaleFactor> EndgameScalingFunctionBase;
 
 template<EndgameType>
 struct EvaluationFunction : public EndgameEvaluationFunctionBase {
+  typedef EndgameEvaluationFunctionBase Base;
   explicit EvaluationFunction(Color c): EndgameEvaluationFunctionBase(c) {}
   Value apply(const Position&);
 };
 
 template<EndgameType>
 struct ScalingFunction : public EndgameScalingFunctionBase {
+  typedef EndgameScalingFunctionBase Base;
   explicit ScalingFunction(Color c) : EndgameScalingFunctionBase(c) {}
   ScaleFactor apply(const Position&);
 };
 
 
-////
-//// Constants and variables
-////
-
-extern EvaluationFunction<KXK> EvaluateKXK, EvaluateKKX;       // Generic "mate lone king" eval
-extern EvaluationFunction<KBNK> EvaluateKBNK, EvaluateKKBN;    // KBN vs K
-extern EvaluationFunction<KPK> EvaluateKPK, EvaluateKKP;       // KP vs K
-extern EvaluationFunction<KRKP> EvaluateKRKP, EvaluateKPKR;    // KR vs KP
-extern EvaluationFunction<KRKB> EvaluateKRKB, EvaluateKBKR;    // KR vs KB
-extern EvaluationFunction<KRKN> EvaluateKRKN, EvaluateKNKR;    // KR vs KN
-extern EvaluationFunction<KQKR> EvaluateKQKR, EvaluateKRKQ;    // KQ vs KR
-extern EvaluationFunction<KBBKN> EvaluateKBBKN, EvaluateKNKBB; // KBB vs KN
-extern EvaluationFunction<KmmKm> EvaluateKmmKm; // K and two minors vs K and one or two minors:
-
-extern ScalingFunction<KBPK> ScaleKBPK, ScaleKKBP;    // KBP vs K
-extern ScalingFunction<KQKRP> ScaleKQKRP, ScaleKRPKQ; // KQ vs KRP
-extern ScalingFunction<KRPKR> ScaleKRPKR, ScaleKRKRP; // KRP vs KR
-extern ScalingFunction<KRPPKRP> ScaleKRPPKRP, ScaleKRPKRPP; // KRPP vs KRP
-extern ScalingFunction<KPsK> ScaleKPsK, ScaleKKPs;    // King and pawns vs king
-extern ScalingFunction<KBPKB> ScaleKBPKB, ScaleKBKBP; // KBP vs KB
-extern ScalingFunction<KBPPKB> ScaleKBPPKB, ScaleKBKBPP; // KBPP vs KB
-extern ScalingFunction<KBPKN> ScaleKBPKN, ScaleKNKBP; // KBP vs KN
-extern ScalingFunction<KNPK> ScaleKNPK, ScaleKKNP;    // KNP vs K
-extern ScalingFunction<KPKP> ScaleKPKPw, ScaleKPKPb;  // KP vs KP
-
 ////
 //// Prototypes
 ////