Improve comments in UCI

[stockfish] / src / position.cpp

diff --git a/src/position.cpp b/src/position.cpp
index ccc66d5ba79c6779177ad5d6ec672a7d318be5a1..eed6d8850873209fbf072e3a1968b783eb9f06d6 100644 (file)
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -24,10 +24,10 @@
 #include <sstream>
 
 #include "bitcount.h"
+#include "misc.h"
 #include "movegen.h"
 #include "position.h"
 #include "psqtab.h"
-#include "rkiss.h"
 #include "thread.h"
 #include "tt.h"
 #include "uci.h"
@@ -123,7 +123,7 @@ std::ostream& operator<<(std::ostream& os, const Position& pos) {
      << std::setfill('0') << std::setw(16) << pos.st->key << std::dec << "\nCheckers: ";
 
   for (Bitboard b = pos.checkers(); b; )
-      os << UCI::format_square(pop_lsb(&b)) << " ";
+      os << UCI::square(pop_lsb(&b)) << " ";
 
   return os;
 }
@@ -137,15 +137,15 @@ std::ostream& operator<<(std::ostream& os, const Position& pos) {
 
 void Position::init() {
 
-  RKISS rk;
+  PRNG rng(1070372);
 
   for (Color c = WHITE; c <= BLACK; ++c)
       for (PieceType pt = PAWN; pt <= KING; ++pt)
           for (Square s = SQ_A1; s <= SQ_H8; ++s)
-              Zobrist::psq[c][pt][s] = rk.rand<Key>();
+              Zobrist::psq[c][pt][s] = rng.rand<Key>();
 
   for (File f = FILE_A; f <= FILE_H; ++f)
-      Zobrist::enpassant[f] = rk.rand<Key>();
+      Zobrist::enpassant[f] = rng.rand<Key>();
 
   for (int cr = NO_CASTLING; cr <= ANY_CASTLING; ++cr)
   {
@@ -153,12 +153,12 @@ void Position::init() {
       while (b)
       {
           Key k = Zobrist::castling[1ULL << pop_lsb(&b)];
-          Zobrist::castling[cr] ^= k ? k : rk.rand<Key>();
+          Zobrist::castling[cr] ^= k ? k : rng.rand<Key>();
       }
   }
 
-  Zobrist::side = rk.rand<Key>();
-  Zobrist::exclusion  = rk.rand<Key>();
+  Zobrist::side = rng.rand<Key>();
+  Zobrist::exclusion  = rng.rand<Key>();
 
   for (PieceType pt = PAWN; pt <= KING; ++pt)
   {
@@ -444,7 +444,7 @@ const string Position::fen() const {
   if (!can_castle(WHITE) && !can_castle(BLACK))
       ss << '-';
 
-  ss << (ep_square() == SQ_NONE ? " - " : " " + UCI::format_square(ep_square()) + " ")
+  ss << (ep_square() == SQ_NONE ? " - " : " " + UCI::square(ep_square()) + " ")
      << st->rule50 << " " << 1 + (gamePly - (sideToMove == BLACK)) / 2;
 
   return ss.str();