// QPSOL.h                                                -*- C++ -*-
/*

Copyright (C) 1992, 1993, 1994, 1995 John W. Eaton

This file is part of Octave.

Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.

Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#if !defined (octave_QPSOL_h)
#define octave_QPSOL_h 1

#if defined (__GNUG__)
#pragma interface
#endif

#ifndef QPSOL_MISSING

#include "dMatrix.h"
#include "dColVector.h"
#include "QP.h"

class QPSOL_options
{
 public:

  QPSOL_options (void);
  QPSOL_options (const QPSOL_options& opt);

  QPSOL_options& operator = (const QPSOL_options& opt);

  ~QPSOL_options (void);

  void init (void);
  void copy (const QPSOL_options& opt);

  void set_default_options (void);

  void set_feasibility_tolerance (double);
  void set_infinite_bound (double);
  void set_iteration_limit (int);
  void set_print_level (int);

  double feasibility_tolerance (void);
  double infinite_bound (void);
  int iteration_limit (void);
  int print_level (void);

 private:

  double x_feasibility_tolerance;
  double x_infinite_bound;
  int x_iteration_limit;
  int x_print_level;
};

class QPSOL : public QP, public QPSOL_options
{
 public:

  QPSOL (void) : QP () { }

  QPSOL (const ColumnVector& x, const Matrix& H) : QP (x, H) { }

  QPSOL (const ColumnVector& x, const Matrix& H, const ColumnVector& c)
    : QP (x, H, c) { }

  QPSOL (const ColumnVector& x, const Matrix& H, const Bounds& b)
    : QP (x, H, b) { }

  QPSOL (const ColumnVector& x, const Matrix& H, const LinConst& lc)
    : QP (x, H, lc) { }

  QPSOL (const ColumnVector& x, const Matrix& H, const ColumnVector& c,
	 const Bounds& b) : QP (x, H, c, b) { }

  QPSOL (const ColumnVector& x, const Matrix& H, const ColumnVector& c,
	 const LinConst& lc) : QP (x, H, c, lc) { }

  QPSOL (const ColumnVector& x, const Matrix& H, const Bounds& b,
	 const LinConst& lc)
    : QP (x, H, b, lc) { }

  QPSOL (const ColumnVector& x, const Matrix& H, const ColumnVector& c,
	 const Bounds& b, const LinConst& lc) : QP (x, H, c, b, lc) { }

  QPSOL (const QPSOL& a) : QP (a.x, a.H, a.c, a.bnds, a.lc) { }

  QPSOL& operator = (const QPSOL& a)
    {
      x = a.x;
      H = a.H;
      c = a.c;
      bnds = a.bnds;
      lc = a.lc;

      return *this;
    }

  ColumnVector do_minimize (double& objf, int& inform, ColumnVector& lambda);
};

#endif
#endif

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