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/*
Copyright (C) 1996, 1997 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#if !defined (octave_NLEqn_h)
#define octave_NLEqn_h 1
#if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION)
#pragma interface
#endif
#include <cfloat>
#include <cmath>
#include "NLEqn-opts.h"
class
NLEqn : public NLFunc, public NLEqn_options
{
public:
NLEqn (void)
: NLFunc (), NLEqn_options (), x (), solution_status (0) { }
NLEqn (const ColumnVector& xx, const NLFunc f)
: NLFunc (f), NLEqn_options (), x (xx), solution_status (0) { }
NLEqn (const NLEqn& a)
: NLFunc (a.fun, a.jac), NLEqn_options (), x (a.x),
solution_status (a.solution_status) { }
NLEqn& operator = (const NLEqn& a)
{
if (this != &a)
{
NLFunc::operator = (a);
NLEqn_options::operator = (a);
x = a.x;
solution_status = a.solution_status;
}
return *this;
}
~NLEqn (void) { }
void set_states (const ColumnVector& xx) { x = xx; }
ColumnVector states (void) const { return x; }
int size (void) const { return x.capacity (); }
ColumnVector solve (void)
{
int info;
return solve (info);
}
ColumnVector solve (const ColumnVector& xvec)
{
set_states (xvec);
int info;
return solve (info);
}
ColumnVector solve (const ColumnVector& xvec, int& info)
{
set_states (xvec);
return solve (info);
}
ColumnVector solve (int& info);
int solution_state (void) const { return solution_status; }
bool solution_ok (void) const { return solution_status == 1; }
std::string error_message (void) const;
private:
ColumnVector x;
int solution_status;
void error (const char* msg);
};
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
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