MNN/source/shape/ShapeCast.cpp

44 lines
1.3 KiB
C++

//
// ShapeCast.cpp
// MNN
//
// Created by MNN on 2019/01/10.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "shape/SizeComputer.hpp"
namespace MNN {
class CastSizeComputer : public SizeComputer {
public:
virtual bool onComputeSize(const MNN::Op* op, const std::vector<Tensor*>& inputs,
const std::vector<Tensor*>& outputs) const override {
auto output = outputs[0];
auto input = inputs[0];
TensorUtils::copyShape(input, output, true);
if (OpType_CastLike == op->type()) {
output->buffer().type = inputs[1]->buffer().type;
return true;
}
if (OpType_FloatToInt8 == op->type()) {
output->buffer().type = halide_type_of<int8_t>();
return true;
}
if (OpType_Int8ToFloat == op->type()) {
output->buffer().type = halide_type_of<float>();
return true;
}
const auto opParam = op->main_as_CastParam();
outputs[0]->setType(opParam->dstT());
return true;
}
};
REGISTER_SHAPE(CastSizeComputer, OpType_Cast);
REGISTER_SHAPE(CastSizeComputer, OpType_CastLike);
REGISTER_SHAPE(CastSizeComputer, OpType_FloatToInt8);
REGISTER_SHAPE(CastSizeComputer, OpType_Int8ToFloat);
} // namespace MNN