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Residuals.h

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

#ifndef RESIDUALS_H
#define RESIDUALS_H

class Data;
class Variables;

class Residuals
{
protected:
  double mResidualNorm;
  double mDualityGap;
public:
  int m, n;

  double residualNorm() { return mResidualNorm; }

  double dualityGap() { return mDualityGap; };

  virtual void calcresids(Data *problem, Variables *vars) = 0;

  virtual void add_r3_xz_alpha(Variables *vars, double alpha) = 0;

  virtual void set_r3_xz_alpha(Variables *vars, double alpha) = 0;

  virtual void clear_r3() = 0;

  virtual void clear_r1r2(){}

  virtual void project_r3(double rmin, double rmax) = 0;

  virtual ~Residuals() {};
};

#endif

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