conv.h
//
// conv.h
//
// Copyright (C) 1996 Limit Point Systems, Inc.
//
// Author: Curtis Janssen <cljanss@limitpt.com>
// Maintainer: LPS
//
// This file is part of the SC Toolkit.
//
// The SC Toolkit is free software; you can redistribute it and/or modify
// it under the terms of the GNU Library General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// The SC Toolkit 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 Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with the SC Toolkit; see the file COPYING.LIB. If not, write to
// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
//
// The U.S. Government is granted a limited license as per AL 91-7.
//
#ifndef _math_optimize_conv_h
#define _math_optimize_conv_h
#ifdef __GNUC__
#pragma interface
#endif
#include <util/state/state.h>
#include <util/class/class.h>
#include <math/scmat/matrix.h>
#include <math/optimize/function.h>
namespace sc {
// //////////////////////////////////////////////////////////////////////
class Convergence: virtual public SavableState {
protected:
RefSCVector grad_;
RefSCVector x_;
RefSCVector nextx_;
int use_max_disp_;
double max_disp_;
int use_max_grad_;
double max_grad_;
int use_rms_disp_;
double rms_disp_;
int use_rms_grad_;
double rms_grad_;
int use_graddisp_;
double graddisp_;
void check_conv(const char *heading,
double val, double bound,
int &pass, int &fail);
void set_defaults();
public:
Convergence();
Convergence(double tolerance);
Convergence(StateIn&);
Convergence(const Ref<KeyVal>&);
virtual ~Convergence();
void save_data_state(StateOut&);
virtual void get_grad(const Ref<Function> &);
virtual void get_x(const Ref<Function> &);
virtual void set_nextx(const RefSCVector &);
virtual void reset();
virtual int converged();
};
}
#endif
// Local Variables:
// mode: c++
// c-file-style: "CLJ"
// End: