rgg.hh File Reference

Header file for the EISPACK rgg routine. More...

#include <fem/fem.hpp>

Namespaces
	numeric
	Unit headers.
	numeric::linear_algebra

Functions
double	numeric::linear_algebra::epslon (double const &x)
	Estimate unit roundoff in quantities of size x. More...
void	numeric::linear_algebra::qzhes (int const &nm, int const &n, arr_ref< double, 2 > a, arr_ref< double, 2 > b, bool const &matz, arr_ref< double, 2 > z)
	This subroutine is the first step of the QZ algorithm for solving generalized matrix eigenvalue problems. More...
void	numeric::linear_algebra::qzit (int const &nm, int const &n, arr_ref< double, 2 > a, arr_ref< double, 2 > b, double const &eps1, bool const &matz, arr_ref< double, 2 > z, int &ierr)
	This subroutine is the second step of the QZ algorithm for solving generalized matrix eigenvalue problems. More...
void	numeric::linear_algebra::qzval (int const &nm, int const &n, arr_ref< double, 2 > a, arr_ref< double, 2 > b, arr_ref< double > alfr, arr_ref< double > alfi, arr_ref< double > beta, bool const &matz, arr_ref< double, 2 > z)
	This subroutine is the third step of the QZ algorithm for solving generalized matrix eigenvalue problems,. More...
void	numeric::linear_algebra::qzvec (int const &nm, int const &n, arr_cref< double, 2 > a, arr_ref< double, 2 > b, arr_cref< double > alfr, arr_cref< double > alfi, arr_cref< double > beta, arr_ref< double, 2 > z)
	This subroutine is the optional fourth step of the QZ algorithm for solving generalized matrix eigenvalue problems. More...
void	numeric::linear_algebra::rgg (int const &nm, int const &n, arr_ref< double, 2 > a, arr_ref< double, 2 > b, arr_ref< double > alfr, arr_ref< double > alfi, arr_ref< double > beta, int const &matz, arr_ref< double, 2 > z, int &ierr)
	This subroutine calls the recommended sequence of subroutines from the eigensystem subroutine package (EISPACK) to find the eigenvalues and eigenvectors (if desired) for the real general generalized eigenproblem . More...

Detailed Description

Header file for the EISPACK rgg routine.

Author

Kale Kundert