From f5956becb378ed34154bec5b1b6781518c1cc840 Mon Sep 17 00:00:00 2001
From: Lin Manhui <mhlin425@whu.edu.cn>
Date: Thu, 29 Sep 2022 11:07:20 +0800
Subject: [PATCH] [CherryPick][Fix] Remove std::trunc() in FloorDivideFunctor
 and InverseFloorDivideFunctor (#45051) (#46504)

---
 paddle/phi/kernels/funcs/elementwise_functor.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/paddle/phi/kernels/funcs/elementwise_functor.h b/paddle/phi/kernels/funcs/elementwise_functor.h
index a4636565cf2..1304fedbd2e 100644
--- a/paddle/phi/kernels/funcs/elementwise_functor.h
+++ b/paddle/phi/kernels/funcs/elementwise_functor.h
@@ -570,7 +570,7 @@ struct FloorDivideFunctor {
 #ifndef PADDLE_WITH_XPU_KP
     PADDLE_ENFORCE(b != 0, DIV_ERROR_INFO);
 #endif
-    return static_cast<T>(std::trunc(a / b));
+    return static_cast<T>(a / b);
   }
 };
 
@@ -580,7 +580,7 @@ struct InverseFloorDivideFunctor {
 #ifndef PADDLE_WITH_XPU_KP
     PADDLE_ENFORCE(a != 0, DIV_ERROR_INFO);
 #endif
-    return static_cast<T>(std::trunc(b / a));
+    return static_cast<T>(b / a);
   }
 };
 
-- 
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