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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_KronrodSingleIntegration_HeaderFile
#define _math_KronrodSingleIntegration_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Real.hxx>
#include <Standard_Integer.hxx>
#include <math_Vector.hxx>
class StdFail_NotDone;
class math_Function;
//! This class implements the Gauss-Kronrod method of
//! integral computation.
class math_KronrodSingleIntegration
{
public:
DEFINE_STANDARD_ALLOC
//! An empty constructor.
Standard_EXPORT math_KronrodSingleIntegration();
//! Constructor. Takes the function, the lower and upper bound
//! values, the initial number of Kronrod points
Standard_EXPORT math_KronrodSingleIntegration(math_Function& theFunction, const Standard_Real theLower, const Standard_Real theUpper, const Standard_Integer theNbPnts);
//! Constructor. Takes the function, the lower and upper bound
//! values, the initial number of Kronrod points, the
//! tolerance value and the maximal number of iterations as
//! parameters.
Standard_EXPORT math_KronrodSingleIntegration(math_Function& theFunction, const Standard_Real theLower, const Standard_Real theUpper, const Standard_Integer theNbPnts, const Standard_Real theTolerance, const Standard_Integer theMaxNbIter);
//! Computation of the integral. Takes the function,
//! the lower and upper bound values, the initial number
//! of Kronrod points, the relative tolerance value and the
//! maximal number of iterations as parameters.
//! theNbPnts should be odd and greater then or equal to 3.
Standard_EXPORT void Perform (math_Function& theFunction, const Standard_Real theLower, const Standard_Real theUpper, const Standard_Integer theNbPnts) ;
//! Computation of the integral. Takes the function,
//! the lower and upper bound values, the initial number
//! of Kronrod points, the relative tolerance value and the
//! maximal number of iterations as parameters.
//! theNbPnts should be odd and greater then or equal to 3.
//! Note that theTolerance is relative, i.e. the criterion of
//! solution reaching is:
//! Abs(Kronrod - Gauss)/Abs(Kronrod) < theTolerance.
//! theTolerance should be positive.
Standard_EXPORT void Perform (math_Function& theFunction, const Standard_Real theLower, const Standard_Real theUpper, const Standard_Integer theNbPnts, const Standard_Real theTolerance, const Standard_Integer theMaxNbIter) ;
//! Returns Standard_True if computation is performed
//! successfully.
Standard_Boolean IsDone() const;
//! Returns the value of the integral.
Standard_Real Value() const;
//! Returns the value of the relative error reached.
Standard_Real ErrorReached() const;
//! Returns the value of the relative error reached.
Standard_Real AbsolutError() const;
//! Returns the number of Kronrod points
//! for which the result is computed.
Standard_Integer OrderReached() const;
//! Returns the number of iterations
//! that were made to compute result.
Standard_Integer NbIterReached() const;
Standard_EXPORT static Standard_Boolean GKRule (math_Function& theFunction, const Standard_Real theLower, const Standard_Real theUpper, const math_Vector& theGaussP, const math_Vector& theGaussW, const math_Vector& theKronrodP, const math_Vector& theKronrodW, Standard_Real& theValue, Standard_Real& theError) ;
protected:
private:
Standard_Boolean myIsDone;
Standard_Real myValue;
Standard_Real myErrorReached;
Standard_Real myAbsolutError;
Standard_Integer myNbPntsReached;
Standard_Integer myNbIterReached;
};
#include <math_KronrodSingleIntegration.lxx>
#endif // _math_KronrodSingleIntegration_HeaderFile
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