hzfan commented on a change in pull request #15851: [Numpy] Numpy copysign URL: https://github.com/apache/incubator-mxnet/pull/15851#discussion_r324453173
########## File path: src/operator/numpy/np_elemwise_broadcast_op.cc ########## @@ -182,5 +202,25 @@ MXNET_OPERATOR_REGISTER_NP_BINARY_SCALAR(_npi_rpower_scalar) .set_attr<FCompute>("FCompute<cpu>", BinaryScalarOp::Compute<cpu, mshadow_op::rpower>) .set_attr<nnvm::FGradient>("FGradient", ElemwiseGradUseOut{"_backward_rpower_scalar"}); +MXNET_OPERATOR_REGISTER_NP_BINARY_SCALAR(_npi_copysign_scalar) +.set_attr<FCompute>("FCompute<cpu>", BinaryScalarOp::Compute<cpu, mshadow_op::copysign>) +.set_attr<nnvm::FGradient>("FGradient", ElemwiseGradUseIn{"_backward_npi_copysign_scalar"}); + +MXNET_OPERATOR_REGISTER_NP_BINARY_SCALAR(_npi_rcopysign_scalar) +.set_attr<FCompute>("FCompute<cpu>", BinaryScalarOp::Compute<cpu, mshadow_op::rcopysign>) +.set_attr<nnvm::FGradient>("FGradient", ElemwiseGradUseIn{"_backward_npi_rcopysign_scalar"}); + +MXNET_OPERATOR_REGISTER_BINARY(_backward_npi_copysign_scalar) +.add_argument("scalar", "float", "scalar value") Review comment: Yes. Have fixed it. And Have added additional tests for scalar cases. Thank you! ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services