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occt/src/CPnts/CPnts_MyRootFunction.hxx
abv 42cf5bc1ca 0024002: Overall code and build procedure refactoring -- automatic
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
2015-07-12 07:42:38 +03:00

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2.5 KiB
C++

// Created on: 1991-07-19
// Created by: Isabelle GRIGNON
// Copyright (c) 1991-1999 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 _CPnts_MyRootFunction_HeaderFile
#define _CPnts_MyRootFunction_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>
#include <CPnts_MyGaussFunction.hxx>
#include <Standard_Real.hxx>
#include <Standard_Integer.hxx>
#include <math_FunctionWithDerivative.hxx>
#include <CPnts_RealFunction.hxx>
#include <Standard_Address.hxx>
#include <Standard_Boolean.hxx>
//! Implements a function for the Newton algorithm to find the
//! solution of Integral(F) = L
//! (compute Length and Derivative of the curve for Newton)
class CPnts_MyRootFunction : public math_FunctionWithDerivative
{
public:
DEFINE_STANDARD_ALLOC
CPnts_MyRootFunction();
//! F is a pointer on a function D is a client data
//! Order is the order of integration to use
Standard_EXPORT void Init (const CPnts_RealFunction& F, const Standard_Address D, const Standard_Integer Order);
//! We want to solve Integral(X0,X,F(X,D)) = L
Standard_EXPORT void Init (const Standard_Real X0, const Standard_Real L);
//! We want to solve Integral(X0,X,F(X,D)) = L
//! with given tolerance
Standard_EXPORT void Init (const Standard_Real X0, const Standard_Real L, const Standard_Real Tol);
//! This is Integral(X0,X,F(X,D)) - L
Standard_EXPORT Standard_Boolean Value (const Standard_Real X, Standard_Real& F);
//! This is F(X,D)
Standard_EXPORT Standard_Boolean Derivative (const Standard_Real X, Standard_Real& Df);
Standard_EXPORT Standard_Boolean Values (const Standard_Real X, Standard_Real& F, Standard_Real& Df);
protected:
private:
CPnts_MyGaussFunction myFunction;
Standard_Real myX0;
Standard_Real myL;
Standard_Integer myOrder;
Standard_Real myTol;
};
#include <CPnts_MyRootFunction.lxx>
#endif // _CPnts_MyRootFunction_HeaderFile