Assembler.h

// Copyright 2024, 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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#pragma once
 
#include "neml2/base/LabeledAxis.h"
#include "neml2/tensors/Tensor.h"
#include "neml2/models/map_types.h"
 
namespace neml2
{
class VectorAssembler
{
public:
  VectorAssembler(const LabeledAxis & axis)
    : _axis(axis)
  {
  }
 
  Tensor assemble_by_variable(const ValueMap &, bool assembly = true) const;
 
  ValueMap split_by_variable(const Tensor &, bool assembly = true) const;
 
  ValueMap split_by_subaxis(const Tensor &) const;
 
  const LabeledAxis & axis() const { return _axis; }
 
private:
  const LabeledAxis & _axis;
};
 
class MatrixAssembler
{
public:
  MatrixAssembler(const LabeledAxis & yaxis, const LabeledAxis & xaxis)
    : _yaxis(yaxis),
      _xaxis(xaxis)
  {
  }
 
  Tensor assemble_by_variable(const DerivMap &, bool assembly = true) const;
 
  DerivMap split_by_variable(const Tensor &, bool assembly = true) const;
 
  DerivMap split_by_subaxis(const Tensor &) const;
 
  const LabeledAxis & yaxis() const { return _yaxis; }
 
  const LabeledAxis & xaxis() const { return _xaxis; }
 
private:
  const LabeledAxis & _yaxis;
  const LabeledAxis & _xaxis;
};
} // namespace neml2