Ensure that HashfullPermillApprox doesn't fail when tt length < 1k …

…items
lynx-chess · Jan 18, 2025 · 652c4c7 · 652c4c7
1 parent 4b4cfaa
commit 652c4c7
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/src/Lynx/Model/TranspositionTable.cs b/src/Lynx/Model/TranspositionTable.cs
@@ -126,11 +126,15 @@ public int HashfullPermill() => _tt.Length > 0
     public readonly int HashfullPermillApprox()
     {
         int items = 0;
-        for (int i = 0; i < 1000; ++i)
+
+        if (_tt.Length >= 1_000)
         {
-            if (_tt[i].Key != default)
+            for (int i = 0; i < 1_000; ++i)
             {
-                ++items;
+                if (_tt[i].Key != default)
+                {
+                    ++items;
+                }
             }
         }