AssembledMatrix.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/equation_systems/AxisLayout.h"
#include "neml2/tensors/Tensor.h"
 
namespace neml2
{
struct SparseMatrix;
struct AssembledVector;

struct AssembledMatrix
{
  AssembledMatrix() = default;
  AssembledMatrix(AxisLayout, AxisLayout);
  AssembledMatrix(AxisLayout, AxisLayout, std::vector<std::vector<Tensor>>);

  TensorOptions options() const;

  AssembledMatrix group(std::size_t, std::size_t) const;

  SparseMatrix disassemble() const;
  std::vector<std::vector<Tensor>> tensors;
  AxisLayout row_layout;
  AxisLayout col_layout;
};

AssembledMatrix operator-(const AssembledMatrix &);
AssembledMatrix operator+(const AssembledMatrix &, const AssembledMatrix &);
AssembledMatrix operator-(const AssembledMatrix &, const AssembledMatrix &);
AssembledMatrix operator*(const AssembledMatrix &, const AssembledMatrix &);
AssembledVector operator*(const AssembledMatrix &, const AssembledVector &);
 
} // namespace neml2