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// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _Law_Linear_HeaderFile
#define _Law_Linear_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineHandle.hxx>
#include <Handle_Law_Linear.hxx>
#include <Standard_Real.hxx>
#include <Law_Function.hxx>
#include <GeomAbs_Shape.hxx>
#include <Standard_Integer.hxx>
#include <Handle_Law_Function.hxx>
class Standard_OutOfRange;
class TColStd_Array1OfReal;
class Law_Function;
//! Describes an linear evolution law.
class Law_Linear : public Law_Function
{
public:
//! Constructs an empty linear evolution law.
Standard_EXPORT Law_Linear();
//! Defines this linear evolution law by assigning both:
//! - the bounds Pdeb and Pfin of the parameter, and
//! - the values Valdeb and Valfin of the function at these
//! two parametric bounds.
Standard_EXPORT void Set (const Standard_Real Pdeb, const Standard_Real Valdeb, const Standard_Real Pfin, const Standard_Real Valfin) ;
//! Returns GeomAbs_CN
Standard_EXPORT GeomAbs_Shape Continuity() const;
//! Returns 1
Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const;
Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const;
//! Returns the value of this function at the point of parameter X.
Standard_EXPORT Standard_Real Value (const Standard_Real X) ;
//! Returns the value F and the first derivative D of this
//! function at the point of parameter X.
Standard_EXPORT void D1 (const Standard_Real X, Standard_Real& F, Standard_Real& D) ;
//! Returns the value, first and second derivatives
//! at parameter X.
Standard_EXPORT void D2 (const Standard_Real X, Standard_Real& F, Standard_Real& D, Standard_Real& D2) ;
//! Returns a law equivalent of <me> between
//! parameters <First> and <Last>. <Tol> is used to
//! test for 3d points confusion.
//! It is usfule to determines the derivatives
//! in these values <First> and <Last> if
//! the Law is not Cn.
Standard_EXPORT Handle(Law_Function) Trim (const Standard_Real PFirst, const Standard_Real PLast, const Standard_Real Tol) const;
//! Returns the parametric bounds of the function.
Standard_EXPORT void Bounds (Standard_Real& PFirst, Standard_Real& PLast) ;
DEFINE_STANDARD_RTTI(Law_Linear)
protected:
private:
Standard_Real valdeb;
Standard_Real valfin;
Standard_Real pdeb;
Standard_Real pfin;
};
#endif // _Law_Linear_HeaderFile
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