MNN/source/shape/ShapeLinSpace.cpp

46 lines
1.4 KiB
C++

//
// ShapeLinSpace.cpp
// MNN
//
// Created by MNN on 2019/12/11.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "shape/SizeComputer.hpp"
#include "core/Macro.h"
#include "core/TensorUtils.hpp"
namespace MNN {
class LinSpaceSizeComputer : public SizeComputer {
virtual bool onComputeSize(const MNN::Op* op, const std::vector<Tensor*>& inputs,
const std::vector<Tensor*>& outputs) const override {
MNN_ASSERT(inputs.size() == 3);
MNN_ASSERT(outputs.size() == 1);
auto& ib1 = inputs[0]->buffer();
auto& ib2 = inputs[1]->buffer();
auto& ib3 = inputs[2]->buffer();
auto& ob = outputs[0]->buffer();
MNN_ASSERT(ib1.dimensions == 0);
MNN_ASSERT(ib2.dimensions == 0);
MNN_ASSERT(ib3.dimensions == 0);
MNN_ASSERT(inputs[0]->getType() == halide_type_of<float>());
MNN_ASSERT(inputs[1]->getType() == halide_type_of<float>());
MNN_ASSERT(inputs[2]->getType() == halide_type_of<int32_t>());
int num = inputs[2]->host<int32_t>()[0];
MNN_ASSERT(num > 0);
ob.dimensions = 1;
ob.dim[0].extent = num;
outputs[0]->setType(DataType_DT_FLOAT);
TensorUtils::getDescribe(outputs[0])->dimensionFormat = TensorUtils::getDescribe(inputs[0])->dimensionFormat;
return true;
}
};
REGISTER_SHAPE_INPUTS(LinSpaceSizeComputer, OpType_LinSpace, {2});
} // namespace MNN