MathLin::Internal Namespace Reference

Functions
double	Hypot (double theX, double theY)
	Computes sqrt(x*x + y*y) avoiding overflow/underflow.
int	FindSubmatrixEnd (const math_Vector &theDiag, const math_Vector &theSubdiag, int theStart, int theN)
	Finds the end of unreduced submatrix using deflation test.
double	ComputeWilkinsonShift (const math_Vector &theDiag, const math_Vector &theSubdiag, int theStart, int theEnd)
	Computes Wilkinson's shift for accelerated convergence.
bool	PerformQLStep (math_Vector &theDiag, math_Vector &theSubdiag, math_Matrix &theEigenVec, int theStart, int theEnd, double theShift, int theN)
	Performs a single QL step with implicit shift.

Function Documentation

ComputeWilkinsonShift()

double MathLin::Internal::ComputeWilkinsonShift ( const math_Vector & theDiag, const math_Vector & theSubdiag, int theStart, int theEnd )

inline

Computes Wilkinson's shift for accelerated convergence.

FindSubmatrixEnd()

int MathLin::Internal::FindSubmatrixEnd ( const math_Vector & theDiag, const math_Vector & theSubdiag, int theStart, int theN )

inline

Finds the end of unreduced submatrix using deflation test.

Hypot()

double MathLin::Internal::Hypot ( double theX, double theY )

inline

Computes sqrt(x*x + y*y) avoiding overflow/underflow.

PerformQLStep()

bool MathLin::Internal::PerformQLStep ( math_Vector & theDiag, math_Vector & theSubdiag, math_Matrix & theEigenVec, int theStart, int theEnd, double theShift, int theN )

inline

Performs a single QL step with implicit shift.