MNN/source/shape/ShapeSetDiff1D.cpp

52 lines
1.6 KiB
C++

//
// ShapeSetDiff1D.cpp
// MNN
//
// Created by MNN on 2021/06/24.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "shape/SizeComputer.hpp"
#include "core/Macro.h"
namespace MNN {
class ShapeSetDiff1D : public SizeComputer {
virtual bool onComputeSize(const MNN::Op* op, const std::vector<Tensor*>& inputs,
const std::vector<Tensor*>& outputs) const override {
MNN_ASSERT(2 == inputs.size());
MNN_ASSERT(1 == outputs.size());
if (inputs[0]->getType().code != halide_type_int || inputs[1]->getType().code != halide_type_int) {
return false;
}
auto& ib = inputs[0]->buffer();
auto& ob = outputs[0]->buffer();
ob.dimensions = 1;
TensorUtils::getDescribe(outputs[0])->dimensionFormat = TensorUtils::getDescribe(inputs[0])->dimensionFormat;
ob.type = ib.type;
const int32_t* inputData = inputs[0]->host<int32_t>();
const int32_t* removeData = inputs[1]->host<int32_t>();
if (!inputData || !removeData) {
return false;
}
int outputNum = 0;
for (int i = 0; i < inputs[0]->elementSize(); i++) {
bool remove = false;
for (int j = 0; j < inputs[1]->elementSize(); j++) {
if (inputData[i] == removeData[j]) {
remove = true;
break;
}
}
if (!remove) {
outputNum++;
}
}
ob.dim[0].extent = outputNum;
return true;
}
};
REGISTER_SHAPE_INPUTS(ShapeSetDiff1D, OpType_SetDiff1D, std::vector<int>({0, 1}));
} // namespace MNN