From 8d79987eea4633d457519a68b4933ed3fe4a2717 Mon Sep 17 00:00:00 2001
From: Frank Tang <ftang@chromium.org>
Date: Tue, 30 Nov 2021 19:49:23 +0000
Subject: [PATCH] ICU-21865 Move include ctgmath to complex

See #1948
---
 icu4c/source/common/lstmbe.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/icu4c/source/common/lstmbe.cpp b/icu4c/source/common/lstmbe.cpp
index 3793abceb3f..70fd038b2c0 100644
--- a/icu4c/source/common/lstmbe.cpp
+++ b/icu4c/source/common/lstmbe.cpp
@@ -1,8 +1,8 @@
 // © 2021 and later: Unicode, Inc. and others.
 // License & terms of use: http://www.unicode.org/copyright.html
 
+#include <complex>
 #include <utility>
-#include <ctgmath>
 
 #include "unicode/utypes.h"