text: /*This file is part of the FEBio source code and is licensed under the MIT license
  listed below.
  
  See Copyright-FEBio.txt for details.
  
  Copyright (c) 2020 University of Utah, The Trustees of Columbia University in 
  the City of New York, and others.
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.*/
  
  
  
  #pragma once
  #include <vector>
  #include "fecore_api.h"
  using namespace std;
  
  class FEModel;
  
  //-----------------------------------------------------------------------------
  //! This class represents a global system array. It provides functions to assemble
  //! local (element) vectors into this array
  class FECORE_API FEGlobalVector
  {
  public:
  	//! constructor
  	FEGlobalVector(FEModel& fem, vector<double>& R, vector<double>& Fr);
  
  	//! destructor
  	virtual ~FEGlobalVector();
  
  	//! Assemble the element vector into this global vector
  	virtual void Assemble(vector<int>& en, vector<int>& elm, vector<double>& fe, bool bdom = false);
  
  	//! Assemble into this global vector
  	virtual void Assemble(vector<int>& lm, vector<double>& fe);
  
  	//! assemble a nodel value
  	virtual void Assemble(int node, int dof, double f);
      
  	//! access operator
  	double& operator [] (int i) { return m_R[i]; }
  
  	//! Get the FE model
  	FEModel& GetFEModel() { return m_fem; }
  
  	//! get the size of the vector
  	int Size() const { return (int) m_R.size(); }
  
  	operator vector<double>& () { return m_R; }
  
  protected:
  	FEModel&			m_fem;	//!< model
  	vector<double>&		m_R;	//!< residual
  	vector<double>&		m_Fr;	//!< nodal reaction forces \todo I want to remove this
  };
  