// 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 Standard_Boolean math_NewtonMinimum::IsConverged() const 
{
  return ( (TheStep.Norm() <= XTol ) || 
    ( Abs(TheMinimum-PreviousMinimum) <= XTol * Abs(PreviousMinimum) ));
}

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

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