From 5fa44c34c7c0349fc470e4f8161b4536023e8483 Mon Sep 17 00:00:00 2001
From: chentianyu03 <chentianyu03@baidu.com>
Date: Tue, 25 May 2021 10:08:57 +0800
Subject: [PATCH] modify Ops to complex template (#33041)

* modify conj, real, imag OP to complex template

* replace with complex template to dot Op

* replace with complex template to Abs Op

* add support for complex64 and complex128
---
 paddle/fluid/operators/abs_op.cc              |  12 +--
 paddle/fluid/operators/abs_op.cu              |  12 +--
 paddle/fluid/operators/conj_op.cc             |   4 +-
 paddle/fluid/operators/conj_op.cu             |   7 +-
 paddle/fluid/operators/dot_op.cc              |  10 +-
 paddle/fluid/operators/dot_op.cu              |  20 ++--
 paddle/fluid/operators/imag_op.cc             |   8 +-
 paddle/fluid/operators/imag_op.cu             |   8 +-
 .../fluid/operators/math/complex_functors.h   | 101 ++++++++++--------
 paddle/fluid/operators/real_op.cc             |   8 +-
 paddle/fluid/operators/real_op.cu             |   8 +-
 11 files changed, 103 insertions(+), 95 deletions(-)

diff --git a/paddle/fluid/operators/abs_op.cc b/paddle/fluid/operators/abs_op.cc
index 5c431ce77dc..796425a132b 100644
--- a/paddle/fluid/operators/abs_op.cc
+++ b/paddle/fluid/operators/abs_op.cc
@@ -164,9 +164,9 @@ REGISTER_OP_CPU_KERNEL(
     ops::AbsKernel<paddle::platform::CPUDeviceContext, int>,
     ops::AbsKernel<paddle::platform::CPUDeviceContext, int64_t>,
     ops::AbsKernel<paddle::platform::CPUDeviceContext,
-                   paddle::platform::complex64>,
+                   paddle::platform::complex<float>>,
     ops::AbsKernel<paddle::platform::CPUDeviceContext,
-                   paddle::platform::complex128>);
+                   paddle::platform::complex<double>>);
 
 REGISTER_OP_CPU_KERNEL(
     abs_grad, ops::AbsGradKernel<paddle::platform::CPUDeviceContext, float>,
@@ -174,9 +174,9 @@ REGISTER_OP_CPU_KERNEL(
     ops::AbsGradKernel<paddle::platform::CPUDeviceContext, int>,
     ops::AbsGradKernel<paddle::platform::CPUDeviceContext, int64_t>,
     ops::AbsGradKernel<paddle::platform::CPUDeviceContext,
-                       paddle::platform::complex64>,
+                       paddle::platform::complex<float>>,
     ops::AbsGradKernel<paddle::platform::CPUDeviceContext,
-                       paddle::platform::complex128>);
+                       paddle::platform::complex<double>>);
 
 REGISTER_OP_CPU_KERNEL(
     abs_grad_grad,
@@ -187,6 +187,6 @@ REGISTER_OP_CPU_KERNEL(
     ops::AbsDoubleGradKernel<paddle::platform::CPUDeviceContext,
                              paddle::platform::float16>,
     ops::AbsDoubleGradKernel<paddle::platform::CPUDeviceContext,
-                             paddle::platform::complex64>,
+                             paddle::platform::complex<float>>,
     ops::AbsDoubleGradKernel<paddle::platform::CPUDeviceContext,
-                             paddle::platform::complex128>);
+                             paddle::platform::complex<double>>);
diff --git a/paddle/fluid/operators/abs_op.cu b/paddle/fluid/operators/abs_op.cu
index a29670b415d..d03de7a4562 100644
--- a/paddle/fluid/operators/abs_op.cu
+++ b/paddle/fluid/operators/abs_op.cu
@@ -70,8 +70,8 @@ REGISTER_OP_CUDA_KERNEL(
     ops::AbsKernel<plat::CUDADeviceContext, int>,
     ops::AbsKernel<plat::CUDADeviceContext, int64_t>,
     ops::AbsKernel<plat::CUDADeviceContext, plat::float16>,
-    ops::AbsKernel<plat::CUDADeviceContext, plat::complex64>,
-    ops::AbsKernel<plat::CUDADeviceContext, plat::complex128>);
+    ops::AbsKernel<plat::CUDADeviceContext, plat::complex<float>>,
+    ops::AbsKernel<plat::CUDADeviceContext, plat::complex<double>>);
 
 REGISTER_OP_CUDA_KERNEL(
     abs_grad, ops::AbsGradKernel<plat::CUDADeviceContext, float>,
@@ -79,8 +79,8 @@ REGISTER_OP_CUDA_KERNEL(
     ops::AbsGradKernel<plat::CUDADeviceContext, int>,
     ops::AbsGradKernel<plat::CUDADeviceContext, int64_t>,
     ops::AbsGradKernel<plat::CUDADeviceContext, plat::float16>,
-    ops::AbsGradKernel<plat::CUDADeviceContext, plat::complex64>,
-    ops::AbsGradKernel<plat::CUDADeviceContext, plat::complex128>);
+    ops::AbsGradKernel<plat::CUDADeviceContext, plat::complex<float>>,
+    ops::AbsGradKernel<plat::CUDADeviceContext, plat::complex<double>>);
 
 REGISTER_OP_CUDA_KERNEL(
     abs_grad_grad, ops::AbsDoubleGradKernel<plat::CUDADeviceContext, float>,
@@ -88,5 +88,5 @@ REGISTER_OP_CUDA_KERNEL(
     ops::AbsDoubleGradKernel<plat::CUDADeviceContext, int>,
     ops::AbsDoubleGradKernel<plat::CUDADeviceContext, int64_t>,
     ops::AbsDoubleGradKernel<plat::CUDADeviceContext, plat::float16>,
-    ops::AbsDoubleGradKernel<plat::CUDADeviceContext, plat::complex64>,
-    ops::AbsDoubleGradKernel<plat::CUDADeviceContext, plat::complex128>);
+    ops::AbsDoubleGradKernel<plat::CUDADeviceContext, plat::complex<float>>,
+    ops::AbsDoubleGradKernel<plat::CUDADeviceContext, plat::complex<double>>);
diff --git a/paddle/fluid/operators/conj_op.cc b/paddle/fluid/operators/conj_op.cc
index 3afe4f1e3d1..4d801bc003e 100644
--- a/paddle/fluid/operators/conj_op.cc
+++ b/paddle/fluid/operators/conj_op.cc
@@ -78,9 +78,9 @@ REGISTER_OPERATOR(conj, ops::ConjOp, ops::ConjOpMaker,
 
 REGISTER_OP_CPU_KERNEL(
     conj, ops::ConjKernel<paddle::platform::CPUDeviceContext,
-                          paddle::platform::complex64>,
+                          paddle::platform::complex<float>>,
     ops::ConjKernel<paddle::platform::CPUDeviceContext,
-                    paddle::platform::complex128>,
+                    paddle::platform::complex<double>>,
     ops::ConjKernel<paddle::platform::CPUDeviceContext, float>,
     ops::ConjKernel<paddle::platform::CPUDeviceContext, double>,
     ops::ConjKernel<paddle::platform::CPUDeviceContext, int>,
diff --git a/paddle/fluid/operators/conj_op.cu b/paddle/fluid/operators/conj_op.cu
index 601caeb5055..d04024d70a8 100644
--- a/paddle/fluid/operators/conj_op.cu
+++ b/paddle/fluid/operators/conj_op.cu
@@ -13,15 +13,14 @@
 // limitations under the License.
 
 #include "paddle/fluid/operators/conj_op.h"
-#include "paddle/fluid/platform/complex128.h"
-#include "paddle/fluid/platform/complex64.h"
+#include "paddle/fluid/platform/complex.h"
 
 namespace ops = paddle::operators;
 REGISTER_OP_CUDA_KERNEL(
     conj, ops::ConjKernel<paddle::platform::CUDADeviceContext,
-                          paddle::platform::complex64>,
+                          paddle::platform::complex<float>>,
     ops::ConjKernel<paddle::platform::CUDADeviceContext,
-                    paddle::platform::complex128>,
+                    paddle::platform::complex<double>>,
     ops::ConjKernel<paddle::platform::CUDADeviceContext, float>,
     ops::ConjKernel<paddle::platform::CUDADeviceContext, double>,
     ops::ConjKernel<paddle::platform::CUDADeviceContext, int>,
diff --git a/paddle/fluid/operators/dot_op.cc b/paddle/fluid/operators/dot_op.cc
index 26f12e8f9e3..31acd971811 100644
--- a/paddle/fluid/operators/dot_op.cc
+++ b/paddle/fluid/operators/dot_op.cc
@@ -33,7 +33,7 @@ class DotOp : public framework::OperatorWithKernel {
                           "Output(Out) of DotOp should not be null."));
 
     auto x_dims = ctx->GetInputDim("X");
-    auto x_rank = (size_t)x_dims.size();
+    auto x_rank = static_cast<size_t>(x_dims.size());
     PADDLE_ENFORCE_EQ(true, 1 == x_rank || 2 == x_rank,
                       platform::errors::PreconditionNotMet(
                           "ShapeError: The dimensions of input tensor X (%s) "
@@ -154,15 +154,15 @@ REGISTER_OP_CPU_KERNEL(
     ops::DotKernel<paddle::platform::CPUDeviceContext, int>,
     ops::DotKernel<paddle::platform::CPUDeviceContext, int64_t>,
     ops::DotKernel<paddle::platform::CPUDeviceContext,
-                   paddle::platform::complex64>,
+                   paddle::platform::complex<float>>,
     ops::DotKernel<paddle::platform::CPUDeviceContext,
-                   paddle::platform::complex128>);
+                   paddle::platform::complex<double>>);
 REGISTER_OP_CPU_KERNEL(
     dot_grad, ops::DotGradKernel<paddle::platform::CPUDeviceContext, float>,
     ops::DotGradKernel<paddle::platform::CPUDeviceContext, double>,
     ops::DotGradKernel<paddle::platform::CPUDeviceContext, int>,
     ops::DotGradKernel<paddle::platform::CPUDeviceContext, int64_t>,
     ops::DotGradKernel<paddle::platform::CPUDeviceContext,
-                       paddle::platform::complex64>,
+                       paddle::platform::complex<float>>,
     ops::DotGradKernel<paddle::platform::CPUDeviceContext,
-                       paddle::platform::complex128>);
+                       paddle::platform::complex<double>>);
diff --git a/paddle/fluid/operators/dot_op.cu b/paddle/fluid/operators/dot_op.cu
index 2d259ba1fbc..49f27e1ffb1 100644
--- a/paddle/fluid/operators/dot_op.cu
+++ b/paddle/fluid/operators/dot_op.cu
@@ -22,12 +22,14 @@ REGISTER_OP_CUDA_KERNEL(
     ops::DotKernel<plat::CUDADeviceContext, double>,
     ops::DotKernel<plat::CUDADeviceContext, int>,
     ops::DotKernel<plat::CUDADeviceContext, int64_t>,
-    ops::DotKernel<plat::CUDADeviceContext, paddle::platform::complex64>,
-    ops::DotKernel<plat::CUDADeviceContext, paddle::platform::complex128>);
-REGISTER_OP_CUDA_KERNEL(
-    dot_grad, ops::DotGradKernel<plat::CUDADeviceContext, float>,
-    ops::DotGradKernel<plat::CUDADeviceContext, double>,
-    ops::DotGradKernel<plat::CUDADeviceContext, int>,
-    ops::DotGradKernel<plat::CUDADeviceContext, int64_t>,
-    ops::DotGradKernel<plat::CUDADeviceContext, paddle::platform::complex64>,
-    ops::DotGradKernel<plat::CUDADeviceContext, paddle::platform::complex128>);
+    ops::DotKernel<plat::CUDADeviceContext, paddle::platform::complex<float>>,
+    ops::DotKernel<plat::CUDADeviceContext, paddle::platform::complex<double>>);
+REGISTER_OP_CUDA_KERNEL(dot_grad,
+                        ops::DotGradKernel<plat::CUDADeviceContext, float>,
+                        ops::DotGradKernel<plat::CUDADeviceContext, double>,
+                        ops::DotGradKernel<plat::CUDADeviceContext, int>,
+                        ops::DotGradKernel<plat::CUDADeviceContext, int64_t>,
+                        ops::DotGradKernel<plat::CUDADeviceContext,
+                                           paddle::platform::complex<float>>,
+                        ops::DotGradKernel<plat::CUDADeviceContext,
+                                           paddle::platform::complex<double>>);
diff --git a/paddle/fluid/operators/imag_op.cc b/paddle/fluid/operators/imag_op.cc
index 899025ae709..6a195bb9400 100644
--- a/paddle/fluid/operators/imag_op.cc
+++ b/paddle/fluid/operators/imag_op.cc
@@ -96,11 +96,11 @@ REGISTER_OPERATOR(imag, ops::ImagOp, ops::ImagOpMaker,
 REGISTER_OPERATOR(imag_grad, ops::ImagGradOp);
 
 REGISTER_OP_CPU_KERNEL(imag, ops::ImagKernel<paddle::platform::CPUDeviceContext,
-                                             paddle::platform::complex64>,
+                                             paddle::platform::complex<float>>,
                        ops::ImagKernel<paddle::platform::CPUDeviceContext,
-                                       paddle::platform::complex128>);
+                                       paddle::platform::complex<double>>);
 REGISTER_OP_CPU_KERNEL(imag_grad,
                        ops::ImagGradKernel<paddle::platform::CPUDeviceContext,
-                                           paddle::platform::complex64>,
+                                           paddle::platform::complex<float>>,
                        ops::ImagGradKernel<paddle::platform::CPUDeviceContext,
-                                           paddle::platform::complex128>);
+                                           paddle::platform::complex<double>>);
diff --git a/paddle/fluid/operators/imag_op.cu b/paddle/fluid/operators/imag_op.cu
index a7a3b136821..9cfb2ef7f2f 100644
--- a/paddle/fluid/operators/imag_op.cu
+++ b/paddle/fluid/operators/imag_op.cu
@@ -18,11 +18,11 @@ namespace ops = paddle::operators;
 
 REGISTER_OP_CUDA_KERNEL(imag,
                         ops::ImagKernel<paddle::platform::CUDADeviceContext,
-                                        paddle::platform::complex64>,
+                                        paddle::platform::complex<float>>,
                         ops::ImagKernel<paddle::platform::CUDADeviceContext,
-                                        paddle::platform::complex128>);
+                                        paddle::platform::complex<double>>);
 REGISTER_OP_CUDA_KERNEL(imag_grad,
                         ops::ImagGradKernel<paddle::platform::CUDADeviceContext,
-                                            paddle::platform::complex64>,
+                                            paddle::platform::complex<float>>,
                         ops::ImagGradKernel<paddle::platform::CUDADeviceContext,
-                                            paddle::platform::complex128>);
+                                            paddle::platform::complex<double>>);
diff --git a/paddle/fluid/operators/math/complex_functors.h b/paddle/fluid/operators/math/complex_functors.h
index 0e8aed40f6e..f5302566778 100644
--- a/paddle/fluid/operators/math/complex_functors.h
+++ b/paddle/fluid/operators/math/complex_functors.h
@@ -16,8 +16,7 @@ limitations under the License. */
 
 #include <type_traits>
 
-#include "paddle/fluid/platform/complex128.h"
-#include "paddle/fluid/platform/complex64.h"
+#include "paddle/fluid/platform/complex.h"
 #include "paddle/fluid/platform/hostdevice.h"
 
 namespace paddle {
@@ -66,7 +65,10 @@ using select_t = typename select<Head, Tail...>::type;
 template <typename T>
 using Real =
     select_t<cond<std::is_same<T, platform::complex64>::value, float>,
-             cond<std::is_same<T, platform::complex128>::value, double>, T>;
+             cond<std::is_same<T, platform::complex128>::value, double>,
+             cond<std::is_same<T, platform::complex<float>>::value, float>,
+             cond<std::is_same<T, platform::complex<double>>::value, double>,
+             T>;
 
 template <typename T, typename RealT>
 using Complex = typename std::enable_if<!std::is_same<T, RealT>::value>::type;
@@ -76,14 +78,18 @@ template <typename T, typename RealT>
 using NoComplex = typename std::enable_if<std::is_same<T, RealT>::value>::type;
 
 template <typename T>
-using EnableComplex =
-    typename std::enable_if<std::is_same<T, platform::complex64>::value ||
-                            std::is_same<T, platform::complex128>::value>::type;
+using EnableComplex = typename std::enable_if<
+    std::is_same<T, platform::complex64>::value ||
+    std::is_same<T, platform::complex128>::value ||
+    std::is_same<T, platform::complex<float>>::value ||
+    std::is_same<T, platform::complex<double>>::value>::type;
 
 template <typename T>
 using DisableComplex = typename std::enable_if<
     !std::is_same<T, platform::complex64>::value &&
-    !std::is_same<T, platform::complex128>::value>::type;
+    !std::is_same<T, platform::complex128>::value &&
+    !std::is_same<T, platform::complex<float>>::value &&
+    !std::is_same<T, platform::complex<double>>::value>::type;
 
 template <typename T, typename Enable = void>
 struct RealFunctor;
@@ -173,44 +179,45 @@ struct AbsGradFunctor {
 };
 
 template <>
-struct AbsGradFunctor<paddle::platform::complex64> {
-  AbsGradFunctor(const float* dout, const paddle::platform::complex64* x,
-                 paddle::platform::complex64* output, int64_t numel)
+struct AbsGradFunctor<paddle::platform::complex<float>> {
+  AbsGradFunctor(const float* dout, const paddle::platform::complex<float>* x,
+                 paddle::platform::complex<float>* output, int64_t numel)
       : dout_(dout), x_(x), output_(output), numel_(numel) {}
 
   HOSTDEVICE void operator()(int64_t idx) const {
-    if (x_[idx] == paddle::platform::complex64(0)) {
-      output_[idx] = paddle::platform::complex64(0);
+    if (x_[idx] == paddle::platform::complex<float>(0)) {
+      output_[idx] = paddle::platform::complex<float>(0);
     } else {
-      output_[idx] = paddle::platform::complex64(dout_[idx]) *
-                     (x_[idx] / paddle::platform::complex64(abs(x_[idx])));
+      output_[idx] = paddle::platform::complex<float>(dout_[idx]) *
+                     (x_[idx] / paddle::platform::complex<float>(abs(x_[idx])));
     }
   }
 
   const float* dout_;
-  const paddle::platform::complex64* x_;
-  paddle::platform::complex64* output_;
+  const paddle::platform::complex<float>* x_;
+  paddle::platform::complex<float>* output_;
   int64_t numel_;
 };
 
 template <>
-struct AbsGradFunctor<paddle::platform::complex128> {
-  AbsGradFunctor(const double* dout, const paddle::platform::complex128* x,
-                 paddle::platform::complex128* output, int64_t numel)
+struct AbsGradFunctor<paddle::platform::complex<double>> {
+  AbsGradFunctor(const double* dout, const paddle::platform::complex<double>* x,
+                 paddle::platform::complex<double>* output, int64_t numel)
       : dout_(dout), x_(x), output_(output), numel_(numel) {}
 
   HOSTDEVICE void operator()(int64_t idx) const {
-    if (x_[idx] == paddle::platform::complex128(0)) {
-      output_[idx] = paddle::platform::complex128(0);
+    if (x_[idx] == paddle::platform::complex<double>(0)) {
+      output_[idx] = paddle::platform::complex<double>(0);
     } else {
-      output_[idx] = paddle::platform::complex128(dout_[idx]) *
-                     (x_[idx] / paddle::platform::complex128(abs(x_[idx])));
+      output_[idx] =
+          paddle::platform::complex<double>(dout_[idx]) *
+          (x_[idx] / paddle::platform::complex<double>(abs(x_[idx])));
     }
   }
 
   const double* dout_;
-  const paddle::platform::complex128* x_;
-  paddle::platform::complex128* output_;
+  const paddle::platform::complex<double>* x_;
+  paddle::platform::complex<double>* output_;
   int64_t numel_;
 };
 
@@ -234,46 +241,46 @@ struct AbsGradGradFunctor {
 };
 
 template <>
-struct AbsGradGradFunctor<paddle::platform::complex128> {
-  AbsGradGradFunctor(const paddle::platform::complex128* ddx,
-                     const paddle::platform::complex128* x,
-                     paddle::platform::complex128* output, int64_t numel)
+struct AbsGradGradFunctor<paddle::platform::complex<double>> {
+  AbsGradGradFunctor(const paddle::platform::complex<double>* ddx,
+                     const paddle::platform::complex<double>* x,
+                     paddle::platform::complex<double>* output, int64_t numel)
       : ddx_(ddx), x_(x), output_(output), numel_(numel) {}
 
   HOSTDEVICE void operator()(int64_t idx) const {
-    if (x_[idx] == paddle::platform::complex128(0)) {
-      output_[idx] = paddle::platform::complex128(0);
+    if (x_[idx] == paddle::platform::complex<double>(0)) {
+      output_[idx] = paddle::platform::complex<double>(0);
     } else {
-      output_[idx] = paddle::platform::complex128(ddx_[idx]) * x_[idx] /
-                     paddle::platform::complex128(abs(x_[idx]));
+      output_[idx] = paddle::platform::complex<double>(ddx_[idx]) * x_[idx] /
+                     paddle::platform::complex<double>(abs(x_[idx]));
     }
   }
 
-  const paddle::platform::complex128* ddx_;
-  const paddle::platform::complex128* x_;
-  paddle::platform::complex128* output_;
+  const paddle::platform::complex<double>* ddx_;
+  const paddle::platform::complex<double>* x_;
+  paddle::platform::complex<double>* output_;
   int64_t numel_;
 };
 
 template <>
-struct AbsGradGradFunctor<paddle::platform::complex64> {
-  AbsGradGradFunctor(const paddle::platform::complex64* ddx,
-                     const paddle::platform::complex64* x,
-                     paddle::platform::complex64* output, int64_t numel)
+struct AbsGradGradFunctor<paddle::platform::complex<float>> {
+  AbsGradGradFunctor(const paddle::platform::complex<float>* ddx,
+                     const paddle::platform::complex<float>* x,
+                     paddle::platform::complex<float>* output, int64_t numel)
       : ddx_(ddx), x_(x), output_(output), numel_(numel) {}
 
   HOSTDEVICE void operator()(int64_t idx) const {
-    if (x_[idx] == paddle::platform::complex64(0)) {
-      output_[idx] = paddle::platform::complex64(0);
+    if (x_[idx] == paddle::platform::complex<float>(0)) {
+      output_[idx] = paddle::platform::complex<float>(0);
     } else {
-      output_[idx] = paddle::platform::complex64(ddx_[idx]) * x_[idx] /
-                     paddle::platform::complex64(abs(x_[idx]));
+      output_[idx] = paddle::platform::complex<float>(ddx_[idx]) * x_[idx] /
+                     paddle::platform::complex<float>(abs(x_[idx]));
     }
   }
 
-  const paddle::platform::complex64* ddx_;
-  const paddle::platform::complex64* x_;
-  paddle::platform::complex64* output_;
+  const paddle::platform::complex<float>* ddx_;
+  const paddle::platform::complex<float>* x_;
+  paddle::platform::complex<float>* output_;
   int64_t numel_;
 };
 template <typename T, typename Enable = void>
diff --git a/paddle/fluid/operators/real_op.cc b/paddle/fluid/operators/real_op.cc
index 5f667999ee6..1174e72a76b 100644
--- a/paddle/fluid/operators/real_op.cc
+++ b/paddle/fluid/operators/real_op.cc
@@ -95,11 +95,11 @@ REGISTER_OPERATOR(real, ops::RealOp, ops::RealOpMaker,
 REGISTER_OPERATOR(real_grad, ops::RealGradOp);
 
 REGISTER_OP_CPU_KERNEL(real, ops::RealKernel<paddle::platform::CPUDeviceContext,
-                                             paddle::platform::complex64>,
+                                             paddle::platform::complex<float>>,
                        ops::RealKernel<paddle::platform::CPUDeviceContext,
-                                       paddle::platform::complex128>);
+                                       paddle::platform::complex<double>>);
 REGISTER_OP_CPU_KERNEL(real_grad,
                        ops::RealGradKernel<paddle::platform::CPUDeviceContext,
-                                           paddle::platform::complex64>,
+                                           paddle::platform::complex<float>>,
                        ops::RealGradKernel<paddle::platform::CPUDeviceContext,
-                                           paddle::platform::complex128>);
+                                           paddle::platform::complex<double>>);
diff --git a/paddle/fluid/operators/real_op.cu b/paddle/fluid/operators/real_op.cu
index b3d0855111b..9bfb2878a62 100644
--- a/paddle/fluid/operators/real_op.cu
+++ b/paddle/fluid/operators/real_op.cu
@@ -18,11 +18,11 @@ namespace ops = paddle::operators;
 
 REGISTER_OP_CUDA_KERNEL(real,
                         ops::RealKernel<paddle::platform::CUDADeviceContext,
-                                        paddle::platform::complex64>,
+                                        paddle::platform::complex<float>>,
                         ops::RealKernel<paddle::platform::CUDADeviceContext,
-                                        paddle::platform::complex128>);
+                                        paddle::platform::complex<double>>);
 REGISTER_OP_CUDA_KERNEL(real_grad,
                         ops::RealGradKernel<paddle::platform::CUDADeviceContext,
-                                            paddle::platform::complex64>,
+                                            paddle::platform::complex<float>>,
                         ops::RealGradKernel<paddle::platform::CUDADeviceContext,
-                                            paddle::platform::complex128>);
+                                            paddle::platform::complex<double>>);
-- 
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