add_op.cc 2.1 KB
Newer Older
L
liaogang 已提交
1 2
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.

Q
qijun 已提交
3 4 5
Licensed 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
L
liaogang 已提交
6

Q
qijun 已提交
7
    http://www.apache.org/licenses/LICENSE-2.0
L
liaogang 已提交
8

Q
qijun 已提交
9 10 11 12 13
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. */
L
liaogang 已提交
14

Q
qijun 已提交
15
#include "paddle/operators/add_op.h"
Y
Yu Yang 已提交
16 17

namespace paddle {
Y
Yu Yang 已提交
18
namespace operators {
Y
Yu Yang 已提交
19

20
class AddOp : public OperatorWithKernel {
21
 protected:
22 23 24 25 26 27 28 29
  void InferShape(const InferShapeContext &ctx) const override {
    PADDLE_ENFORCE(ctx.InputSize() == 2, "Input size of AddOp must be two");
    PADDLE_ENFORCE(ctx.OutputSize() == 1, "Output size of AddOp must be one");
    PADDLE_ENFORCE(ctx.InputVar(0) != nullptr && ctx.InputVar(1) != nullptr,
                   "Inputs of AddOp must all be set");
    PADDLE_ENFORCE(ctx.OutputVar(0) != nullptr,
                   "Outputs of AddOp must all be set");
    PADDLE_ENFORCE(ctx.Input<Tensor>(0)->dims() == ctx.Input<Tensor>(1)->dims(),
Y
Yu Yang 已提交
30
                   "Two input of Add Op's dimension must be same.");
31
    ctx.Output<Tensor>(0)->Resize(ctx.Input<Tensor>(0)->dims());
Y
Yu Yang 已提交
32 33 34
  }
};

35
class AddOpMaker : public OpProtoAndCheckerMaker {
36
 public:
37 38
  AddOpMaker(OpProto *proto, OpAttrChecker *op_checker)
      : OpProtoAndCheckerMaker(proto, op_checker) {
Y
Yu Yang 已提交
39 40 41 42 43 44 45 46 47 48
    AddInput("X", "The first input of add op");
    AddInput("Y", "The second input of add op");
    AddOutput("Out", "The output of add op");
    AddComment(R"DOC(
Two Element Add Operator.

The equation is: Out = X + Y
)DOC");
  }
};
D
dongzhihong 已提交
49

50
class AddOpGrad : public OperatorWithKernel {
51
 protected:
52
  void InferShape(const InferShapeContext &ctx) const override {}
D
dongzhihong 已提交
53 54
};

Q
qijun 已提交
55
}  // namespace operators
Y
Yu Yang 已提交
56 57
}  // namespace paddle

58 59 60
REGISTER_OP(add_two, ops::AddOp, ops::AddOpMaker);
REGISTER_GRADIENT_OP(add_two, add_two_grad, ops::AddOpGrad);
REGISTER_OP_CPU_KERNEL(add_two, ops::AddKernel<ops::CPUPlace, float>);