VecBase.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/tensors/VecBase.h"
#include "neml2/tensors/tensors.h"
#include "neml2/tensors/macros.h"
 
namespace neml2
{
template <class Derived>
Derived
VecBase<Derived>::fill(const Real & v1,
                       const Real & v2,
                       const Real & v3,
                       const torch::TensorOptions & options)
{
  return VecBase<Derived>::fill(Scalar(v1, options), Scalar(v2, options), Scalar(v3, options));
}
 
template <class Derived>
Derived
VecBase<Derived>::fill(const Scalar & v1, const Scalar & v2, const Scalar & v3)
{
  return Derived(torch::stack({v1, v2, v3}, -1), v1.batch_dim());
}
 
template <class Derived>
R2
VecBase<Derived>::identity_map(const torch::TensorOptions & options)
{
  return R2::identity(options);
}
 
template <class Derived>
Scalar
VecBase<Derived>::operator()(TorchSize i) const
{
  return this->base_index({i});
}
 
template <class Derived>
Scalar
VecBase<Derived>::norm_sq() const
{
  return dot(*this);
}
 
template <class Derived>
Scalar
VecBase<Derived>::norm() const
{
  return math::sqrt(dot(*this));
}
 
template <class Derived>
Derived
VecBase<Derived>::rotate(const Rot & r) const
{
  return this->rotate(r.euler_rodrigues());
}
 
template <class Derived>
Derived
VecBase<Derived>::rotate(const R2 & R) const
{
  return R * Vec(*this);
}
 
template <class Derived>
R2
VecBase<Derived>::drotate(const Rot & r) const
{
  return torch::einsum("...ijk,...j", {r.deuler_rodrigues(), *this});
}
 
template <class Derived>
R3
VecBase<Derived>::drotate(const R2 & R) const
{
  auto I = R2::identity(R.options());
  return torch::einsum("...ij,...k", {I, *this});
}
 
#define VECBASE_INSTANTIATE(T) template class VecBase<T>
FOR_ALL_VECBASE(VECBASE_INSTANTIATE);
} // namespace neml2