R3.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/tensors/PrimitiveTensor.h"
 
namespace neml2
{
class Scalar;
class Vec;
class R2;
 
class R3 : public PrimitiveTensor<R3, 3, 3, 3>
{
public:
  using PrimitiveTensor<R3, 3, 3, 3>::PrimitiveTensor;
 
  [[nodiscard]] static R3
  levi_civita(const torch::TensorOptions & options = default_tensor_options());
 
  Scalar operator()(Size i, Size j, Size k) const;
 
  R2 contract_k(const Vec & v) const;
};
 
} // namespace neml2