Introduce DEPTH_NONE and use it

[stockfish] / src / depth.h

diff --git a/src/depth.h b/src/depth.h
index 05008e05c4fbfa04d405e3e542a69261f2fb5772..86af1dffcfbc213ff63935b27d31628eeec2e152 100644 (file)
--- a/src/depth.h
+++ b/src/depth.h
@@ -27,8 +27,8 @@
 
 enum Depth {
   DEPTH_ZERO = 0,
-  DEPTH_MAX = 200, // 100 * OnePly;
-  DEPTH_ENSURE_SIGNED = -1
+  DEPTH_MAX = 200,  //  100 * OnePly;
+  DEPTH_NONE = -254 // -127 * OnePly
 };