X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmovepick.h;h=1a81dbde7b21a2bc4fe3535dfb7fe2ccbf71a36e;hb=b48439e90643cb6f65f9e34d1421976883c12efc;hp=3614439fca05cdb6df7a3bad6833dfdad3d33024;hpb=6b9a22b40d37d27ad10cafd8697d96e90a586f8a;p=stockfish

diff --git a/src/movepick.h b/src/movepick.h
index 3614439f..1a81dbde 100644
--- a/src/movepick.h
+++ b/src/movepick.h
@@ -21,7 +21,6 @@
 #ifndef MOVEPICK_H_INCLUDED
 #define MOVEPICK_H_INCLUDED
 
-#include <algorithm> // For std::max
 #include <cstring>   // For std::memset
 
 #include "movegen.h"
@@ -42,11 +41,11 @@ struct HistoryStats {
     Square from = from_sq(m);
     Square to = to_sq(m);
 
-    const int denom = 324;
+    const int D = 324;
 
-    assert(abs(int(v)) <= denom); // Needed for stability.
+    assert(abs(int(v)) <= D); // Consistency check for below formula
 
-    table[c][from][to] -= table[c][from][to] * abs(int(v)) / denom;
+    table[c][from][to] -= table[c][from][to] * abs(int(v)) / D;
     table[c][from][to] += int(v) * 32;
   }
 
@@ -66,15 +65,14 @@ struct Stats {
   const T* operator[](Piece pc) const { return table[pc]; }
   T* operator[](Piece pc) { return table[pc]; }
   void clear() { std::memset(table, 0, sizeof(table)); }
-  void fill(const int& v) { std::fill(&table[0][0], &table[PIECE_NB-1][SQUARE_NB-1]+1, v); };
   void update(Piece pc, Square to, Move m) { table[pc][to] = m; }
   void update(Piece pc, Square to, int v) {
 
-    const int denom = 936;
+    const int D = 936;
 
-    assert(abs(int(v)) <= denom); // Needed for stability.
+    assert(abs(int(v)) <= D); // Consistency check for below formula
 
-    table[pc][to] -= table[pc][to] * abs(int(v)) / denom;
+    table[pc][to] -= table[pc][to] * abs(int(v)) / D;
     table[pc][to] += int(v) * 32;
   }