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58 lines
1.9 KiB
58 lines
1.9 KiB
6 years ago
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/* Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#include "paddle/fluid/operators/size_op.h"
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#include "paddle/fluid/framework/op_registry.h"
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namespace paddle {
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namespace operators {
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class SizeOp : public framework::OperatorWithKernel {
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public:
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using framework::OperatorWithKernel::OperatorWithKernel;
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void InferShape(framework::InferShapeContext *ctx) const override {
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PADDLE_ENFORCE(ctx->HasInput("Input"),
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"Input (Input) of Size op should not be null.");
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PADDLE_ENFORCE(ctx->HasOutput("Out"),
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"Output (Out) of Size op should not be null.");
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ctx->SetOutputDim("Out", {1});
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}
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};
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class SizeOpMaker : public framework::OpProtoAndCheckerMaker {
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public:
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void Make() override {
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AddInput("Input", "The input tensor.");
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AddOutput("Out",
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"The returned tensor, the data type "
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"is int64_t, will be on the same device with the input Tensor.");
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AddComment(R"DOC(
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Size Operator.
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Return the number of elements in the input.
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)DOC");
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}
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};
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} // namespace operators
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} // namespace paddle
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namespace ops = paddle::operators;
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REGISTER_OPERATOR(size, ops::SizeOp, ops::SizeOpMaker,
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paddle::framework::EmptyGradOpMaker);
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REGISTER_OP_CPU_KERNEL(size, ops::SizeKernel<int>, ops::SizeKernel<int32_t>,
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ops::SizeKernel<float>, ops::SizeKernel<double>,
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ops::SizeKernel<bool>);
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