Open CASCADE Technology
7.1.0.beta

Class to define function, which calculates square distance between point on curve C(u), U1 <= u <= U2 and line passing through points C(U1) and C(U2) This function is used in any minimisation algorithm to define maximal deviation between curve and line, which required one variable function without derivative (for ex. math_BrentMinimum) More...
#include <GCPnts_DistFunction2d.hxx>
Public Member Functions  
GCPnts_DistFunction2d (const Adaptor2d_Curve2d &theCurve, const Standard_Real U1, const Standard_Real U2)  
GCPnts_DistFunction2d (const GCPnts_DistFunction2d &theOther)  
virtual Standard_Boolean  Value (const Standard_Real X, Standard_Real &F) 
Computes the value of the function <F> for a given value of variable <X>. returns True if the computation was done successfully, False otherwise. More...  
Public Member Functions inherited from math_Function  
virtual  ~math_Function () 
Virtual destructor, for safe inheritance. More...  
virtual Standard_Integer  GetStateNumber () 
returns the state of the function corresponding to the latest call of any methods associated with the function. This function is called by each of the algorithms described later which defined the function Integer Algorithm::StateNumber(). The algorithm has the responsibility to call this function when it has found a solution (i.e. a root or a minimum) and has to maintain the association between the solution found and this StateNumber. Byu default, this method returns 0 (which means for the algorithm: no state has been saved). It is the responsibility of the programmer to decide if he needs to save the current state of the function and to return an Integer that allows retrieval of the state. More...  
Class to define function, which calculates square distance between point on curve C(u), U1 <= u <= U2 and line passing through points C(U1) and C(U2) This function is used in any minimisation algorithm to define maximal deviation between curve and line, which required one variable function without derivative (for ex. math_BrentMinimum)
GCPnts_DistFunction2d::GCPnts_DistFunction2d  (  const Adaptor2d_Curve2d &  theCurve, 
const Standard_Real  U1,  
const Standard_Real  U2  
) 
GCPnts_DistFunction2d::GCPnts_DistFunction2d  (  const GCPnts_DistFunction2d &  theOther  ) 

virtual 
Computes the value of the function <F> for a given value of variable <X>. returns True if the computation was done successfully, False otherwise.
Implements math_Function.