X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmovepick.h;h=5077f4e3b729b9aa1315d578e62dacad6a2db4e5;hb=a069a1bbbfb60abddbe3fe5276b06f35f783f41c;hp=299925a582e7729677b06fcc07a623527e378bef;hpb=b4e9ee72e36aadd0e653ac4ab5c07a9e3d639aca;p=stockfish

diff --git a/src/movepick.h b/src/movepick.h
index 299925a5..5077f4e3 100644
--- a/src/movepick.h
+++ b/src/movepick.h
@@ -21,6 +21,7 @@
 
 #include <array>
 #include <cassert>
+#include <cmath>
 #include <cstdint>
 #include <cstdlib>
 #include <limits>
@@ -55,12 +56,12 @@ class StatsEntry {
     operator const T&() const { return entry; }
 
     void operator<<(int bonus) {
-        assert(abs(bonus) <= D);  // Ensure range is [-D, D]
+        assert(std::abs(bonus) <= D);  // Ensure range is [-D, D]
         static_assert(D <= std::numeric_limits<T>::max(), "D overflows T");
 
-        entry += (bonus * D - entry * abs(bonus)) / (D * 5 / 4);
+        entry += bonus - entry * std::abs(bonus) / D;
 
-        assert(abs(entry) <= D);
+        assert(std::abs(entry) <= D);
     }
 };
 
@@ -152,8 +153,7 @@ class MovePicker {
                const ButterflyHistory*,
                const CapturePieceToHistory*,
                const PieceToHistory**,
-               const PawnHistory*,
-               Square);
+               const PawnHistory*);
     MovePicker(const Position&, Move, Value, const CapturePieceToHistory*);
     Move next_move(bool skipQuiets = false);
 
@@ -173,7 +173,6 @@ class MovePicker {
     Move                         ttMove;
     ExtMove                      refutations[3], *cur, *endMoves, *endBadCaptures;
     int                          stage;
-    Square                       recaptureSquare;
     Value                        threshold;
     Depth                        depth;
     ExtMove                      moves[MAX_MOVES];