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59 lines
2.1 KiB
59 lines
2.1 KiB
/* 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/where_op.h"
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namespace paddle {
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namespace operators {
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class WhereOp : 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("Condition"),
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"Input(Condition) of WhereOp should not be null.");
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PADDLE_ENFORCE(
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ctx->GetInputDim("Condition").size() >= 1,
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"Input(Condition) should have number of dimension at least 1");
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PADDLE_ENFORCE(ctx->HasOutput("Out"),
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"Output(OUt) of WhereOp should not be null.");
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ctx->SetOutputDim("Out", {-1, ctx->GetInputDim("Condition").size()});
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}
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protected:
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framework::OpKernelType GetExpectedKernelType(
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const framework::ExecutionContext& ctx) const override {
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auto output_type = framework::proto::VarType::INT64;
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return framework::OpKernelType(output_type, ctx.device_context());
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}
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};
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class WhereOpMaker : public framework::OpProtoAndCheckerMaker {
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public:
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void Make() override {
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AddInput("Condition", "A bool tensor whose rank is at least 1");
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AddOutput("Out", "An int64 tensor of rank 2");
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AddComment(R"DOC(
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Return a int64 tensor with rank 2, specifying the coordinate of true element in `Condition`.
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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_OP_WITHOUT_GRADIENT(where, ops::WhereOp, ops::WhereOpMaker);
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REGISTER_OP_CPU_KERNEL(where, ops::CPUWhereKernel<int64_t>);
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