CrossRef.cxx

// Copyright 2023, UChicago Argonne, LLC
// All Rights Reserved
// Software Name: NEML2 -- the New Engineering material Model Library, version 2
// By: Argonne National Laboratory
// OPEN SOURCE LICENSE (MIT)
//
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#include "neml2/base/CrossRef.h"
#include "neml2/base/Factory.h"
#include "neml2/misc/parser_utils.h"
#include "neml2/tensors/tensors.h"
#include "neml2/tensors/macros.h"
 
namespace neml2
{
template <>
CrossRef<torch::Tensor>::operator torch::Tensor() const
{
  try
  {
    // If it is just a number, we can still create a tensor out of it
    return torch::tensor(utils::parse<Real>(_raw_str), default_tensor_options());
  }
  catch (const ParserException & e)
  {
    // Conversion to a number failed, so it might be the name of another tensor
    return Factory::get_object<torch::Tensor>("Tensors", _raw_str);
  }
}
 
template <>
CrossRef<BatchTensor>::operator BatchTensor() const
{
  try
  {
    // If it is just a number, we can still create a Scalar out of it
    return BatchTensor::full({}, {}, utils::parse<Real>(_raw_str), default_tensor_options());
  }
  catch (const ParserException & e)
  {
    // Conversion to a number failed, so it might be the name of another BatchTensor
    return Factory::get_object<BatchTensor>("Tensors", _raw_str);
  }
}
 
template class CrossRef<torch::Tensor>;
#define CROSSREF_SPECIALIZE_FIXEDDIMTENSOR(T)                                                      \
  template <>                                                                                      \
  CrossRef<T>::operator T() const                                                                  \
  {                                                                                                \
    try                                                                                            \
    {                                                                                              \
      return T::full(utils::parse<Real>(_raw_str));                                                \
    }                                                                                              \
    catch (const ParserException & e)                                                              \
    {                                                                                              \
      return Factory::get_object<T>("Tensors", _raw_str);                                          \
    }                                                                                              \
  }                                                                                                \
  static_assert(true)
 
FOR_ALL_FIXEDDIMTENSOR(CROSSREF_SPECIALIZE_FIXEDDIMTENSOR);
} // namesace neml2