mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-08-09 13:22:24 +03:00
42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
// Created on: 1996-10-11
|
|
// 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.
|
|
|
|
#ifndef _FairCurve_Newton_HeaderFile
|
|
#define _FairCurve_Newton_HeaderFile
|
|
|
|
#include <Standard.hxx>
|
|
#include <Standard_DefineAlloc.hxx>
|
|
#include <Standard_Handle.hxx>
|
|
|
|
#include <Standard_Real.hxx>
|
|
#include <math_NewtonMinimum.hxx>
|
|
#include <Standard_Integer.hxx>
|
|
#include <Standard_Boolean.hxx>
|
|
class math_MultipleVarFunctionWithHessian;
|
|
|
|
|
|
//! Algorithme of Optimization used to make "FairCurve"
|
|
class FairCurve_Newton : public math_NewtonMinimum
|
|
{
|
|
public:
|
|
|
|
DEFINE_STANDARD_ALLOC
|
|
|
|
|
|
|
|
//! The tolerance required on the solution is given by Tolerance.
|
|
//! Iteration are stopped if (!WithSingularity) and H(F(Xi)) is not definite
|
|
//! positive (if the smaller eigenvalue of H < Convexity)
|
|
//! or IsConverged() returns True for 2 successives Iterations.
|
|
//! Warning: This constructor do not computation
|
|
Standard_EXPORT FairCurve_Newton(const math_MultipleVarFunctionWithHessian& theFunction, const Standard_Real theSpatialTolerance = 1.0e-7, const Standard_Real theCriteriumTolerance = 1.0e-7, const Standard_Integer theNbIterations = 40, const Standard_Real theConvexity = 1.0e-6, const Standard_Boolean theWithSingularity = Standard_True);
|
|
|
|
|
|
//! This method is called at the end of each
|
|
//! iteration to check the convergence :
|
|
//! || Xi+1 - Xi || < SpatialTolerance/100 Or
|
|
//! || Xi+1 - Xi || < SpatialTolerance and
|
|
//! |F(Xi+1) - F(Xi)| < CriteriumTolerance * |F(xi)|
|
|
//! It can be redefined in a sub-class to implement a specific test.
|
|
Standard_EXPORT virtual Standard_Boolean IsConverged() const Standard_OVERRIDE;
|
|
|
|
|
|
|
|
|
|
protected:
|
|
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
|
|
|
Standard_Real mySpTol;
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#endif // _FairCurve_Newton_HeaderFile
|