X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=move_legal.c;h=cf19baf889f6431a92c1e0a529cb459f3a968a88;hb=07103358be1a2a550ad1f6663a3724fbc1652451;hp=ecf3fd25e946e6792681417c7bb7e2fa009c4711;hpb=e15efca6667b2673b4c1a5879a6917eab6800e58;p=polyglot.git

diff --git a/move_legal.c b/move_legal.c
index ecf3fd2..cf19baf 100644
--- a/move_legal.c
+++ b/move_legal.c
@@ -1,115 +1,115 @@
-
-// move_legal.c
-
-// includes
-
-#include "attack.h"
-#include "colour.h"
-#include "fen.h"
-#include "list.h"
-#include "move.h"
-#include "move_do.h"
-#include "move_gen.h"
-#include "move_legal.h"
-#include "piece.h"
-#include "square.h"
-#include "util.h"
-
-// prototypes
-
-static bool move_is_legal_debug (int move, const board_t * board);
-
-// functions
-
-// move_is_pseudo()
-
-bool move_is_pseudo(int move, const board_t * board) {
-
-   list_t list[1];
-
-   ASSERT(move_is_ok(move));
-   ASSERT(board_is_ok(board));
-
-   gen_moves(list,board);
-
-   return list_contain(list,move);
-}
-
-// pseudo_is_legal()
-
-bool pseudo_is_legal(int move, const board_t * board) {
-
-   board_t new_board[1];
-
-   ASSERT(move_is_ok(move));
-   ASSERT(board_is_ok(board));
-
-   ASSERT(move_is_pseudo(move,board));
-
-   board_copy(new_board,board);
-   move_do(new_board,move);
-
-   return !is_in_check(new_board,colour_opp(new_board->turn));
-}
-
-// move_is_legal()
-
-bool move_is_legal(int move, const board_t * board) {
-
-   bool legal;
-
-   ASSERT(move_is_ok(move));
-   ASSERT(board_is_ok(board));
-
-   legal = move_is_pseudo(move,board) && pseudo_is_legal(move,board);
-   ASSERT(legal==move_is_legal_debug(move,board));
-
-   return legal;
-}
-
-// filter_legal()
-
-void filter_legal(list_t * list, const board_t * board) {
-
-   int pos;
-   int i, move, value;
-
-   ASSERT(list_is_ok(list));
-   ASSERT(board_is_ok(board));
-
-   pos = 0;
-
-   for (i = 0; i < list_size(list); i++) {
-
-      ASSERT(pos>=0&&pos<=i);
-
-      move = list_move(list,i);
-      value = list_value(list,i);
-
-      if (pseudo_is_legal(move,board)) {
-         list->move[pos] = move;
-         list->value[pos] = value;
-         pos++;
-      }
-   }
-
-   ASSERT(pos>=0&&pos<=list_size(list));
-   list->size = pos;
-}
-
-// move_is_legal_debug()
-
-static bool move_is_legal_debug(int move, const board_t * board) {
-
-   list_t list[1];
-
-   ASSERT(move_is_ok(move));
-   ASSERT(board_is_ok(board));
-
-   gen_legal_moves(list,board);
-
-   return list_contain(list,move);
-}
-
-// end of move_legal.cpp
-
+
+// move_legal.c
+
+// includes
+
+#include "attack.h"
+#include "colour.h"
+#include "fen.h"
+#include "list.h"
+#include "move.h"
+#include "move_do.h"
+#include "move_gen.h"
+#include "move_legal.h"
+#include "piece.h"
+#include "square.h"
+#include "util.h"
+
+// prototypes
+
+static bool move_is_legal_debug (int move, const board_t * board);
+
+// functions
+
+// move_is_pseudo()
+
+bool move_is_pseudo(int move, const board_t * board) {
+
+   list_t list[1];
+
+   ASSERT(move_is_ok(move));
+   ASSERT(board_is_ok(board));
+
+   gen_moves(list,board);
+
+   return list_contain(list,move);
+}
+
+// pseudo_is_legal()
+
+bool pseudo_is_legal(int move, const board_t * board) {
+
+   board_t new_board[1];
+
+   ASSERT(move_is_ok(move));
+   ASSERT(board_is_ok(board));
+
+   ASSERT(move_is_pseudo(move,board));
+
+   board_copy(new_board,board);
+   move_do(new_board,move);
+
+   return !is_in_check(new_board,colour_opp(new_board->turn));
+}
+
+// move_is_legal()
+
+bool move_is_legal(int move, const board_t * board) {
+
+   bool legal;
+
+   ASSERT(move_is_ok(move));
+   ASSERT(board_is_ok(board));
+
+   legal = move_is_pseudo(move,board) && pseudo_is_legal(move,board);
+   ASSERT(legal==move_is_legal_debug(move,board));
+
+   return legal;
+}
+
+// filter_legal()
+
+void filter_legal(list_t * list, const board_t * board) {
+
+   int pos;
+   int i, move, value;
+
+   ASSERT(list_is_ok(list));
+   ASSERT(board_is_ok(board));
+
+   pos = 0;
+
+   for (i = 0; i < list_size(list); i++) {
+
+      ASSERT(pos>=0&&pos<=i);
+
+      move = list_move(list,i);
+      value = list_value(list,i);
+
+      if (pseudo_is_legal(move,board)) {
+         list->move[pos] = move;
+         list->value[pos] = value;
+         pos++;
+      }
+   }
+
+   ASSERT(pos>=0&&pos<=list_size(list));
+   list->size = pos;
+}
+
+// move_is_legal_debug()
+
+static bool move_is_legal_debug(int move, const board_t * board) {
+
+   list_t list[1];
+
+   ASSERT(move_is_ok(move));
+   ASSERT(board_is_ok(board));
+
+   gen_legal_moves(list,board);
+
+   return list_contain(list,move);
+}
+
+// end of move_legal.cpp
+