From a486a739e1b532f6c9e4b9c66036fd6727eddf57 Mon Sep 17 00:00:00 2001
From: Liufang Sang <slf12thuss@163.com>
Date: Wed, 25 Mar 2020 03:45:40 -0500
Subject: [PATCH] fix compile error in win gpu  (#23196)

* fix compile error in win gpu test=develop

* fix compile error in win gpu test=develop

* fix compile error in win gpu test=develop
---
 paddle/fluid/operators/dequantize_log_op.cc | 4 ++--
 paddle/fluid/operators/dequantize_log_op.cu | 7 +++++--
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/paddle/fluid/operators/dequantize_log_op.cc b/paddle/fluid/operators/dequantize_log_op.cc
index af89340c59..bfd26061e3 100644
--- a/paddle/fluid/operators/dequantize_log_op.cc
+++ b/paddle/fluid/operators/dequantize_log_op.cc
@@ -31,9 +31,9 @@ struct DequantizeFunctor<platform::CPUDeviceContext, T> {
     int ind = in->numel();
     for (size_t i = 0; i < (unsigned)ind; i++) {
       if (input_data[i] < 0) {
-        output_data[i] = -pow(2, dict_data[input_data[i] + 128]);
+        output_data[i] = -std::pow(2.0, dict_data[input_data[i] + 128]);
       } else {
-        output_data[i] = pow(2, dict_data[input_data[i]]);
+        output_data[i] = std::pow(2.0, dict_data[input_data[i]]);
       }
     }
   }
diff --git a/paddle/fluid/operators/dequantize_log_op.cu b/paddle/fluid/operators/dequantize_log_op.cu
index 0e146b6902..57bad318ab 100644
--- a/paddle/fluid/operators/dequantize_log_op.cu
+++ b/paddle/fluid/operators/dequantize_log_op.cu
@@ -13,6 +13,9 @@ See the License for the specific language governing permissions and
 limitations under the License. */
 
 #include "paddle/fluid/operators/dequantize_log_op.h"
+#include "paddle/fluid/operators/math.h"
+#include "paddle/fluid/platform/cuda_primitives.h"
+#include "paddle/fluid/platform/hostdevice.h"
 
 namespace paddle {
 namespace operators {
@@ -23,9 +26,9 @@ __global__ void KeDequantize(const T* in, const float* dict, int num,
   const int idx = threadIdx.x + blockIdx.x * blockDim.x;
   if (idx < num) {
     if (in[idx] < 0) {
-      out[idx] = -pow(2, dict[in[idx] + 128]);
+      out[idx] = -std::pow(static_cast<float>(2.0), dict[in[idx] + 128]);
     } else {
-      out[idx] = pow(2, dict[in[idx]]);
+      out[idx] = std::pow(static_cast<float>(2.0), dict[in[idx]]);
     }
   }
 }
-- 
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