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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 _math_BracketMinimum_HeaderFile
#define _math_BracketMinimum_HeaderFile
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Standard_OStream_HeaderFile
#include <Standard_OStream.hxx>
#endif
class StdFail_NotDone;
class math_Function;
//!Given two distinct initial points, BracketMinimum <br>
//! implements the computation of three points (a, b, c) which <br>
//! bracket the minimum of the function and verify A less than <br>
//! B, B less than C and F(A) less than F(B), F(B) less than (C). <br>
class math_BracketMinimum {
public:
void* operator new(size_t,void* anAddress)
{
return anAddress;
}
void* operator new(size_t size)
{
return Standard::Allocate(size);
}
void operator delete(void *anAddress)
{
if (anAddress) Standard::Free((Standard_Address&)anAddress);
}
//! Given two initial values this class computes a <br>
//! bracketing triplet of abscissae Ax, Bx, Cx <br>
//! (such that Bx is between Ax and Cx, F(Bx) is <br>
//! less than both F(Bx) and F(Cx)) the Brent minimization is done <br>
//! on the function F. <br>
Standard_EXPORT math_BracketMinimum(math_Function& F,const Standard_Real A,const Standard_Real B);
//! Given two initial values this class computes a <br>
//! bracketing triplet of abscissae Ax, Bx, Cx <br>
//! (such that Bx is between Ax and Cx, F(Bx) is <br>
//! less than both F(Bx) and F(Cx)) the Brent minimization is done <br>
//! on the function F. <br>
//! This constructor has to be used if F(A) is known. <br>
Standard_EXPORT math_BracketMinimum(math_Function& F,const Standard_Real A,const Standard_Real B,const Standard_Real FA);
//! Given two initial values this class computes a <br>
//! bracketing triplet of abscissae Ax, Bx, Cx <br>
//! (such that Bx is between Ax and Cx, F(Bx) is <br>
//! less than both F(Bx) and F(Cx)) the Brent minimization is done <br>
//! on the function F. <br>
//! This constructor has to be used if F(A) and F(B) are known. <br>
Standard_EXPORT math_BracketMinimum(math_Function& F,const Standard_Real A,const Standard_Real B,const Standard_Real FA,const Standard_Real FB);
//! Returns true if the computations are successful, otherwise returns false. <br>
Standard_Boolean IsDone() const;
//! Returns the bracketed triplet of abscissae. <br>
//! Exceptions <br>
//! StdFail_NotDone if the algorithm fails (and IsDone returns false). <br>
Standard_EXPORT void Values(Standard_Real& A,Standard_Real& B,Standard_Real& C) const;
//! returns the bracketed triplet function values. <br>
//! Exceptions <br>
//! StdFail_NotDone if the algorithm fails (and IsDone returns false). <br>
Standard_EXPORT void FunctionValues(Standard_Real& FA,Standard_Real& FB,Standard_Real& FC) const;
//! Prints on the stream o information on the current state <br>
//! of the object. <br>
//! Is used to redefine the operator <<. <br>
Standard_EXPORT void Dump(Standard_OStream& o) const;
protected:
//! Is used internally by the constructors. <br>
Standard_EXPORT void Perform(math_Function& F,const Standard_Real A,const Standard_Real B) ;
private:
Standard_Boolean Done;
Standard_Real Ax;
Standard_Real Bx;
Standard_Real Cx;
Standard_Real FAx;
Standard_Real FBx;
Standard_Real FCx;
Standard_Boolean myFA;
Standard_Boolean myFB;
};
#include <math_BracketMinimum.lxx>
// other Inline functions and methods (like "C++: function call" methods)
#endif
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