From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Sun, 15 Nov 2020 13:26:46 +0000 (+0100)
Subject: Fix NNUE detection for absolute paths
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=3c4fd47e765b551599fd18fcf65dc10153c0418b;p=fairystockfish.git

Fix NNUE detection for absolute paths

Check the file name, not the full path, for prefix with the variant name.
---

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 2b6f814..4bb3c29 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -88,11 +88,14 @@ namespace Eval {
     constexpr char SepChar = ';';
 #endif
     while (getline(ss, eval_file, SepChar))
-        if (eval_file.rfind(variant, 0) != string::npos || (variant == "chess" && eval_file.rfind("nn-", 0) != string::npos))
+    {
+        string basename = eval_file.substr(eval_file.find_last_of("\\/") + 1);
+        if (basename.rfind(variant, 0) != string::npos || (variant == "chess" && basename.rfind("nn-", 0) != string::npos))
         {
             useNNUE = true;
             break;
         }
+    }
     if (!useNNUE)
         return;