1 /* Copyright 2015 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 #include "tensorflow/core/kernels/cwise_ops_common.h" 17 18 namespace tensorflow { 19 REGISTER7(UnaryOp, CPU, "Sign", functor::sign, float, double, int32, int64, 20 complex64, Eigen::half, complex128); 21 #if GOOGLE_CUDA 22 REGISTER6(UnaryOp, GPU, "Sign", functor::sign, float, Eigen::half, double, 23 int64, complex64, complex128); 24 25 // A special GPU kernel for int32. 26 // TODO(b/25387198): Also enable int32 in device memory. This kernel 27 // registration requires all int32 inputs and outputs to be in host memory. 28 REGISTER_KERNEL_BUILDER(Name("Sign") 29 .Device(DEVICE_GPU) 30 .HostMemory("x") 31 .HostMemory("y") 32 .TypeConstraint<int32>("T"), 33 UnaryOp<CPUDevice, functor::sign<int32>>); 34 #endif 35 36 #ifdef TENSORFLOW_USE_SYCL 37 REGISTER3(UnaryOp, SYCL, "Sign", functor::sign, float, double, int64); 38 REGISTER_KERNEL_BUILDER(Name("Sign") 39 .Device(DEVICE_SYCL) 40 .HostMemory("x") 41 .HostMemory("y") 42 .TypeConstraint<int32>("T"), 43 UnaryOp<CPUDevice, functor::sign<int32>>); 44 #endif // TENSORFLOW_USE_SYCL 45 46 } // namespace tensorflow 47