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62 lines
2.1 KiB
62 lines
2.1 KiB
// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "paddle/fluid/framework/eigen.h"
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#include "paddle/fluid/framework/operator.h"
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#include "paddle/fluid/platform/place.h"
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namespace paddle {
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namespace operators {
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using Tensor = framework::Tensor;
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template <typename DeviceContext, typename T>
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class AllcloseKernel : public framework::OpKernel<T> {
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public:
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void Compute(const framework::ExecutionContext& ctx) const override {
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// get attrs
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float rtol = ctx.Attr<float>("rtol");
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float atol = ctx.Attr<float>("atol");
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bool equal_nan = ctx.Attr<bool>("equal_nan");
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// get input/output
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auto* input = ctx.Input<Tensor>("Input");
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auto* other = ctx.Input<Tensor>("Other");
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auto* out = ctx.Output<Tensor>("Out");
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out->mutable_data<bool>(ctx.GetPlace());
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// get place
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auto& place = *ctx.template device_context<DeviceContext>().eigen_device();
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auto input_v = framework::EigenVector<T>::Flatten(*input);
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auto other_v = framework::EigenVector<T>::Flatten(*other);
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auto out_v = framework::EigenScalar<bool>::From(*out);
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auto left = (input_v - other_v).abs();
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auto right = static_cast<T>(atol) + static_cast<T>(rtol) * other_v.abs();
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auto compare_res = left <= right;
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if (equal_nan) {
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auto input_nan = input_v.isnan();
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auto other_nan = other_v.isnan();
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out_v.device(place) =
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(input_nan == other_nan).all() && (compare_res != input_nan).all();
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} else {
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out_v.device(place) = compare_res.all();
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}
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}
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};
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} // namespace operators
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} // namespace paddle
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