Revert sigmoid interpolator

[stockfish] / src / position.cpp

diff --git a/src/position.cpp b/src/position.cpp
index 0c7d62ce10e63839356214778211a93662137e75..abac6efc1ef56e4b57a22734558c5d1c3564348a 100644 (file)
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -39,6 +39,8 @@
 //// Variables
 ////
 
+extern SearchStack EmptySearchStack;
+
 int Position::castleRightsMask[64];
 
 Key Position::zobrist[2][8][64];
@@ -273,9 +275,8 @@ void Position::print(Move m) const {
   std::cout << std::endl;
   if (m != MOVE_NONE)
   {
-      Position p(*this);
       std::string col = (color_of_piece_on(move_from(m)) == BLACK ? ".." : "");
-      std::cout << "Move is: " << col << move_to_san(p, m) << std::endl;
+      std::cout << "Move is: " << col << move_to_san(*this, m) << std::endl;
   }
   for (Rank rank = RANK_8; rank >= RANK_1; rank--)
   {
@@ -1914,8 +1915,7 @@ bool Position::is_mate() {
 
   if (is_check())
   {
-      MovePicker mp = MovePicker(*this, false, MOVE_NONE, MOVE_NONE,
-                                 MOVE_NONE, MOVE_NONE, Depth(0));
+      MovePicker mp = MovePicker(*this, false, MOVE_NONE, EmptySearchStack, Depth(0));
       return mp.get_next_move() == MOVE_NONE;
   }
   return false;