OCCT

// Created on: 1996-05-03
// Created by: Philippe MANGIN
// Copyright (c) 1996-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#include <StdFail_NotDone.hxx>

inline bool math_NewtonMinimum::IsConverged() const
{
  return ((TheStep.Norm() <= XTol)
          || (std::abs(TheMinimum - PreviousMinimum) <= XTol * std::abs(PreviousMinimum)));
}

inline bool math_NewtonMinimum::IsDone() const
{
  return Done;
}

inline const math_Vector& math_NewtonMinimum::Location() const
{
  StdFail_NotDone_Raise_if(!Done, "NewtonMinimum");
  return TheLocation;
}

inline void math_NewtonMinimum::Location(math_Vector& Loc) const
{
  StdFail_NotDone_Raise_if(!Done, "NewtonMinimum");
  Loc = TheLocation;
}

inline double math_NewtonMinimum::Minimum() const
{
  StdFail_NotDone_Raise_if(!Done, "NewtonMinimum");
  return TheMinimum;
}

inline const math_Vector& math_NewtonMinimum::Gradient() const
{
  StdFail_NotDone_Raise_if(!Done, "NewtonMinimum");
  return TheGradient;
}

inline void math_NewtonMinimum::Gradient(math_Vector& Grad) const
{
  StdFail_NotDone_Raise_if(!Done, "NewtonMinimum");
  Grad = TheGradient;
}

inline int math_NewtonMinimum::NbIterations() const
{
  StdFail_NotDone_Raise_if(!Done, "NewtonMinimum");
  return nbiter;
}

inline math_Status math_NewtonMinimum::GetStatus() const
{
  return TheStatus;
}