Tensor.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/TensorBase.h"
 
namespace neml2
{
class Tensor : public TensorBase<Tensor>
{
public:
  using TensorBase<Tensor>::TensorBase;
 
  [[nodiscard]] static Tensor
  empty(const TensorShapeRef & base_shape,
        const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static Tensor
  empty(const TensorShapeRef & batch_shape,
        const TensorShapeRef & base_shape,
        const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static Tensor
  zeros(const TensorShapeRef & base_shape,
        const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static Tensor
  zeros(const TensorShapeRef & batch_shape,
        const TensorShapeRef & base_shape,
        const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static Tensor ones(const TensorShapeRef & base_shape,
                                   const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static Tensor ones(const TensorShapeRef & batch_shape,
                                   const TensorShapeRef & base_shape,
                                   const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static Tensor full(const TensorShapeRef & base_shape,
                                   Real init,
                                   const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static Tensor full(const TensorShapeRef & batch_shape,
                                   const TensorShapeRef & base_shape,
                                   Real init,
                                   const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static Tensor
  identity(Size n, const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static Tensor
  identity(const TensorShapeRef & batch_shape,
           Size n,
           const torch::TensorOptions & options = default_tensor_options());
};
 
namespace math
{
Tensor bmm(const Tensor & a, const Tensor & b);
 
Tensor bmv(const Tensor & a, const Tensor & v);
 
Tensor bvv(const Tensor & a, const Tensor & b);
}
 
Tensor operator*(const Tensor & a, const Tensor & b);
}