IdentityTensor.h

// Copyright 2024, UChicago Argonne, LLC
// All Rights Reserved
// Software Name: NEML2 -- the New Engineering material Model Library, version 2
// By: Argonne National Laboratory
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#pragma once
 
#include "neml2/user_tensors/UserTensorBase.h"
 
#include "neml2/tensors/Tensor.h"
 
namespace neml2
{
class IdentityTensor : public UserTensorBase<Tensor>
{
public:
  static OptionSet expected_options();
 
  IdentityTensor(const OptionSet & options);
 
protected:
  Tensor make() const override;
 
private:
  const TensorShape _batch_sizes;
  const Size _n;
};
} // namespace neml2