LinspaceFixedDimTensor.cxx

// Copyright 2023, UChicago Argonne, LLC
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// Software Name: NEML2 -- the New Engineering material Model Library, version 2
// By: Argonne National Laboratory
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#include "neml2/tensors/user_tensors/LinspaceFixedDimTensor.h"
 
namespace neml2
{
#define LINSPACEFIXEDDIMTENSOR_REGISTER(T) register_NEML2_object_alias(Linspace##T, "Linspace" #T)
FOR_ALL_FIXEDDIMTENSOR(LINSPACEFIXEDDIMTENSOR_REGISTER);
 
template <typename T>
OptionSet
LinspaceFixedDimTensor<T>::expected_options()
{
  // This is the only way of getting tensor type in a static method like this...
  // Trim 6 chars to remove 'neml2::'
  auto tensor_type = utils::demangle(typeid(T).name()).substr(7);
 
  OptionSet options = UserTensor::expected_options();
  options.doc() = "Construct a " + tensor_type +
                  " linearly spaced on the batch dimensions. See neml2::BatchTensorBase::linspace "
                  "for a detailed explanation.";
 
  options.set<CrossRef<T>>("start");
  options.set("start").doc() = "The starting tensor";
 
  options.set<CrossRef<T>>("end");
  options.set("end").doc() = "The ending tensor";
 
  options.set<TorchSize>("nstep");
  options.set("nstep").doc() = "The number of steps with even spacing along the new dimension";
 
  options.set<TorchSize>("dim") = 0;
  options.set("dim").doc() = "Where to insert the new dimension";
 
  options.set<TorchSize>("batch_dim") = -1;
  options.set("batch_dim").doc() = "Batch dimension of the output";
 
  return options;
}
 
template <typename T>
LinspaceFixedDimTensor<T>::LinspaceFixedDimTensor(const OptionSet & options)
  : T(T::linspace(options.get<CrossRef<T>>("start"),
                  options.get<CrossRef<T>>("end"),
                  options.get<TorchSize>("nstep"),
                  options.get<TorchSize>("dim"),
                  options.get<TorchSize>("batch_dim"))),
    UserTensor(options)
{
}
 
#define LINSPACEFIXEDDIMTENSOR_INSTANTIATE_FIXEDDIMTENSOR(T)                                       \
  template class LinspaceFixedDimTensor<T>
FOR_ALL_FIXEDDIMTENSOR(LINSPACEFIXEDDIMTENSOR_INSTANTIATE_FIXEDDIMTENSOR);
} // namespace neml2