---

LinearSystem.h

/* OOQP                                                               *
 * Authors: E. Michael Gertz, Stephen J. Wright                       *
 * (C) 2001 University of Chicago. See Copyright Notification in OOQP */

#ifndef LINEARSYSTEM_H
#define LINEARSYSTEM_H

class Data;
class Variables;
class Residuals;

class LinearSystem
{
public:
  virtual void factor(Data *prob, Variables *vars) = 0;
  
  virtual void solve(Data *prob, Variables *vars, Residuals *resids,
                     Variables *step) = 0;
  
  virtual ~LinearSystem() {};
};
  

#endif

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