!13263 Add float64 support to select gpu op

From: @peilin-wang
Reviewed-by: @wuxuejian,@tom__chen
Signed-off-by: @tom__chen

mindspore/ccsrc/backend/kernel_compiler/gpu/arrays/select_gpu_kernel.cc

@@ -1,5 +1,5 @@
 /**
- * Copyright 2020 Huawei Technologies Co., Ltd
+ * Copyright 2020-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +18,13 @@
 
 namespace mindspore {
 namespace kernel {
+MS_REG_GPU_KERNEL_ONE(Select,
+                      KernelAttr()
+                        .AddInputAttr(kNumberTypeBool)
+                        .AddInputAttr(kNumberTypeFloat64)
+                        .AddInputAttr(kNumberTypeFloat64)
+                        .AddOutputAttr(kNumberTypeFloat64),
+                      SelectGpuKernel, double)
 MS_REG_GPU_KERNEL_ONE(Select,
                       KernelAttr()
                         .AddInputAttr(kNumberTypeBool)

mindspore/ccsrc/backend/kernel_compiler/gpu/cuda_impl/select_impl.cu

@@ -34,6 +34,8 @@ void CalSelect(const size_t size, const bool* cond, const T* input_x, const T* i
   return;
 }
 
+template void CalSelect<double>(const size_t size, const bool* cond, const double* input_X, const double* input_y,
+                                double* output, cudaStream_t cuda_stream);
 template void CalSelect<float>(const size_t size, const bool* cond, const float* input_X, const float* input_y,
                                float* output, cudaStream_t cuda_stream);
 template void CalSelect<int>(const size_t size, const bool* cond, const int* input_X, const int* input_y, int* output,