From 3f66e7deab7c2ddec30ffe015bc4597af48f68ae Mon Sep 17 00:00:00 2001
From: Chen Weihang <chenweihang@baidu.com>
Date: Tue, 23 Mar 2021 19:55:16 +0800
Subject: [PATCH] add cmath header for bfloat (#31792)

---
 paddle/fluid/platform/bfloat16.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/paddle/fluid/platform/bfloat16.h b/paddle/fluid/platform/bfloat16.h
index d1257f853e0..6cb4901f1dd 100644
--- a/paddle/fluid/platform/bfloat16.h
+++ b/paddle/fluid/platform/bfloat16.h
@@ -16,6 +16,7 @@
 
 #include <stdint.h>
 
+#include <cmath>
 #include <cstring>
 #include <iostream>
 #include <limits>
-- 
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