MNN/source/shape/ShapeDet.cpp

43 lines
1.2 KiB
C++

//
// ShapeDet.cpp
// MNN
//
// Created by MNN on 2019/01/10.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "shape/SizeComputer.hpp"
#include "core/Macro.h"
namespace MNN {
class DetComputer : public SizeComputer {
virtual bool onComputeSize(const MNN::Op* op, const std::vector<Tensor*>& inputs,
const std::vector<Tensor*>& outputs) const override {
if (inputs.size() != 1) {
MNN_ERROR("Det only accept 1 input\n");
return false;
}
auto shape = inputs[0]->shape();
int dim = shape.size();
if (dim < 2 || shape[dim - 1] != shape[dim - 2]) {
MNN_ERROR("input must be [*, M, M]\n");
return false;
}
auto& ib = inputs[0]->buffer();
auto& ob = outputs[0]->buffer();
ob.dimensions = dim - 2;
if (dim > 2) {
::memcpy(ob.dim, ib.dim, ob.dimensions * sizeof(halide_dimension_t));
}
ob.type = ib.type;
TensorUtils::getDescribe(outputs[0])->dimensionFormat = TensorUtils::getDescribe(inputs[0])->dimensionFormat;
return true;
}
};
REGISTER_SHAPE(DetComputer, OpType_Det);
} // namespace MNN