BatchTensor.h

// 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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#pragma once
 
#include "neml2/tensors/BatchTensorBase.h"
 
namespace neml2
{
class BatchTensor : public BatchTensorBase<BatchTensor>
{
public:
  using BatchTensorBase<BatchTensor>::BatchTensorBase;
 
  [[nodiscard]] static BatchTensor
  empty(const TorchShapeRef & base_shape,
        const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static BatchTensor
  empty(const TorchShapeRef & batch_shape,
        const TorchShapeRef & base_shape,
        const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static BatchTensor
  zeros(const TorchShapeRef & base_shape,
        const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static BatchTensor
  zeros(const TorchShapeRef & batch_shape,
        const TorchShapeRef & base_shape,
        const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static BatchTensor
  ones(const TorchShapeRef & base_shape,
       const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static BatchTensor
  ones(const TorchShapeRef & batch_shape,
       const TorchShapeRef & base_shape,
       const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static BatchTensor
  full(const TorchShapeRef & base_shape,
       Real init,
       const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static BatchTensor
  full(const TorchShapeRef & batch_shape,
       const TorchShapeRef & base_shape,
       Real init,
       const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static BatchTensor
  identity(TorchSize n, const torch::TensorOptions & options = default_tensor_options());
  [[nodiscard]] static BatchTensor
  identity(const TorchShapeRef & batch_shape,
           TorchSize n,
           const torch::TensorOptions & options = default_tensor_options());
};
 
namespace math
{
BatchTensor bmm(const BatchTensor & a, const BatchTensor & b);
 
BatchTensor bmv(const BatchTensor & a, const BatchTensor & v);
 
BatchTensor bvv(const BatchTensor & a, const BatchTensor & b);
}
 
BatchTensor operator*(const BatchTensor & a, const BatchTensor & b);
}