| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /*! |
| * \file allclose_op.cc |
| * \brief CPU Implementation of allclose op |
| * \author Andrei Ivanov |
| */ |
| #include "./allclose_op-inl.h" |
| |
| namespace mxnet { |
| namespace op { |
| |
| DMLC_REGISTER_PARAMETER(AllCloseParam); |
| |
| NNVM_REGISTER_OP(_contrib_allclose) |
| .describe( |
| R"code(This operators implements the numpy.allclose(a, b, rtol=1e-05, atol=1e-08, equal_nan=False) |
| |
| .. math:: |
| |
| f(x) = |a-b|<=atol+rtol|b| |
| |
| where |
| :math:`a, b` are the input tensors of equal types an shapes |
| :math:`atol, rtol` the values of absolute and relative tolerance (by default, rtol=1e-05, atol=1e-08) |
| |
| Examples:: |
| |
| a = [1e10, 1e-7], |
| b = [1.00001e10, 1e-8] |
| y = allclose(a, b) |
| y = False |
| |
| a = [1e10, 1e-8], |
| b = [1.00001e10, 1e-9] |
| y = allclose(a, b) |
| y = True |
| |
| )code" ADD_FILELINE) |
| .set_attr_parser(ParamParser<AllCloseParam>) |
| .set_num_inputs(2) |
| .set_num_outputs(1) |
| .set_attr<nnvm::FListInputNames>("FListInputNames", |
| [](const NodeAttrs& attrs) { |
| return std::vector<std::string>{"a", "b"}; |
| }) |
| .set_attr<mxnet::FInferShape>("FInferShape", AllCloseShape) |
| .set_attr<nnvm::FInferType>("FInferType", AllCloseType) |
| .set_attr<FCompute>("FCompute<cpu>", AllClose<cpu>) |
| .set_attr<FResourceRequest>("FResourceRequest", |
| [](const NodeAttrs& n) { |
| return std::vector<ResourceRequest>{ResourceRequest::kTempSpace}; |
| }) |
| .add_argument("a", "NDArray-or-Symbol", "Input array a") |
| .add_argument("b", "NDArray-or-Symbol", "Input array b") |
| .add_arguments(AllCloseParam::__FIELDS__()); |
| |
| template <> |
| size_t GetAdditionalMemoryLogical<cpu>(mshadow::Stream<cpu>* s, const int num_items) { |
| return 0; |
| } |
| |
| template <> |
| void GetResultLogical<cpu>(mshadow::Stream<cpu>* s, |
| INTERM_DATA_TYPE* workMem, |
| size_t extraStorageBytes, |
| int num_items, |
| INTERM_DATA_TYPE* outPntr) { |
| while (num_items-- > 0 && workMem[num_items]) { |
| } |
| outPntr[0] = num_items >= 0 ? 0 : 1; |
| } |
| |
| } // namespace op |
| } // namespace mxnet |
