LibtorchUtils.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html

#ifdef MOOSE_LIBTORCH_ENABLED

#pragma once

#include <torch/torch.h>
#include "MooseUtils.h"

namespace LibtorchUtils
{

template <typename DataType>
void vectorToTensor(const std::vector<DataType> & vector,
                    torch::Tensor & tensor,
                    const bool detach = false);

template <typename DataType>
torch::Tensor vectorToTensorCopy(const std::vector<DataType> & vector, c10::IntArrayRef sizes);

template <typename DataType>
torch::Tensor vectorToTensorView(std::vector<DataType> & vector, c10::IntArrayRef sizes);

void moveToLibtorchDevice(torch::Tensor & tensor, const torch::DeviceType device_type);

torch::Tensor toCPUContiguous(const torch::Tensor & tensor);

template <typename DataType>
void tensorToVector(torch::Tensor & tensor, std::vector<DataType> & vector);

} // LibtorchUtils namespace

#endif