From 68d58d94da15d175269eaa06b3d224062cf72a70 Mon Sep 17 00:00:00 2001
From: Joost VandeVondele <Joost.VandeVondele@gmail.com>
Date: Fri, 29 Mar 2024 10:25:41 +0100
Subject: [PATCH] Fix usage of abs vs std::abs

close https://github.com/official-stockfish/Stockfish/pull/5143

No functional change
---
 src/search.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/search.cpp b/src/search.cpp
index fb5a2f00..3f882aab 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1001,7 +1001,7 @@ moves_loop:  // When in check, search starts here
                 // Futility pruning: parent node (~13 Elo)
                 if (!ss->inCheck && lmrDepth < 15 && futilityValue <= alpha)
                 {
-                    if (bestValue <= futilityValue && abs(bestValue) < VALUE_TB_WIN_IN_MAX_PLY
+                    if (bestValue <= futilityValue && std::abs(bestValue) < VALUE_TB_WIN_IN_MAX_PLY
                         && futilityValue < VALUE_TB_WIN_IN_MAX_PLY)
                         bestValue = (bestValue + futilityValue * 3) / 4;
                     continue;