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70 lines
2.8 KiB
70 lines
2.8 KiB
/* Copyright (c) 2016 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/range_op.h"
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namespace paddle {
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namespace operators {
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class RangeOp : 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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if (ctx->HasInput("Start")) {
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auto s_dims = ctx->GetInputDim("Start");
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PADDLE_ENFORCE((s_dims.size() == 1) && (s_dims[0] == 1),
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"The shape of Input(Start) should be [1].");
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}
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if (ctx->HasInput("End")) {
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auto e_dims = ctx->GetInputDim("End");
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PADDLE_ENFORCE((e_dims.size() == 1) && (e_dims[0] == 1),
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"The shape of Input(End) should be [1].");
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}
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if (ctx->HasInput("Step")) {
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auto step_dims = ctx->GetInputDim("Step");
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PADDLE_ENFORCE((step_dims.size() == 1) && (step_dims[0] == 1),
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"The shape of Input(Step) should be [1].");
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}
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ctx->SetOutputDim("Out", {-1});
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}
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};
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class RangeOpMaker : public framework::OpProtoAndCheckerMaker {
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public:
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void Make() override {
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AddInput("Start",
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"Start of interval. The interval includes this value. It is a "
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"tensor with shape=[1].");
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AddInput("End",
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"End of interval. The interval does not include this value, "
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"except in some cases where step is not an integer and floating "
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"point round-off affects the length of out. It is a tensor with "
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"shape=[1].");
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AddInput("Step", "Spacing between values. It is a tensor with shape=[1].");
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AddOutput("Out", "A sequence of numbers.");
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AddComment(R"DOC(
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Return evenly spaced values within a given interval. Values are generated within the half-open interval [start, stop) (in other words, the interval including start but excluding stop). Like arange function of numpy.
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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(range, ops::RangeOp, ops::RangeOpMaker);
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REGISTER_OP_CPU_KERNEL(range, ops::CPURangeKernel<int>,
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ops::CPURangeKernel<float>, ops::CPURangeKernel<double>,
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ops::CPURangeKernel<int64_t>);
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