InfiniTensor/include/operators/pad.h

41 lines
1.4 KiB
C++

#pragma once
#include "core/operator.h"
namespace infini {
/**
* @brief Add data at the out side of a tensor.
*
*/
class PadObj : public OperatorObj {
// the number of start and end pad values for all dims.
vector<int> pads;
public:
// pad for appointed axises,if axis is empty,then pad for all axises.
/**
* @brief Construct a new Pad object.
*
* @param graph The computation graph that this operator belongs to.
* @param input The input tensor.
* @param output The padded tensor.
* @param pads Add padding elements at the begining and end of each axis.
* Suppose that padding axes are [x1, x2, ...], then pads's format is
* [x1_begin, x2_begin, ..., x1_end, x2_end, ...]
* @param axis Pad for appointed axes. If axis is empty, pad for all axes.
*/
PadObj(GraphObj *graph, Tensor input, Tensor output,
const vector<int> &pads, const optional<const vector<int>> &axis);
OP_CLONE(PadObj);
optional<vector<Shape>> inferShape(const TensorVec &inputs) const override;
std::string toString() const override;
int numInputs() const override { return 1; }
int numOutputs() const override { return 1; }
Shape getPads() const { return pads; }
private:
vector<int> getWorkloadVector() const override;
vector<int> getOpAttrVector() const override;
};
} // namespace infini