feigen.cpp File Reference

#include <basis.h>
#include <vmblock.h>

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Defines
#define	MAXIT   50
Functions
int	balance (int n, REAL *mat[], REAL scal[], int *low, int *high, int basis)
int	balback (int n, int low, int high, REAL scal[], REAL *eivec[])
int	elmhes (int n, int low, int high, REAL *mat[], int perm[])
int	elmtrans (int n, int low, int high, REAL *mat[], int perm[], REAL *h[])
int	orthes (int n, int low, int high, REAL *mat[], REAL d[])
int	orttrans (int n, int low, int high, REAL *mat[], REAL d[], REAL *v[])
int	hqrvec (int n, int low, int high, REAL *h[], REAL wr[], REAL wi[], REAL *eivec[])
int	hqr2 (int vec, int n, int low, int high, REAL *h[], REAL wr[], REAL wi[], REAL *eivec[], int cnt[])
int	norm_1 (int n, REAL *v[], REAL wi[])
int	eigen (int vec, int ortho, int ev_norm, int n, REAL **mat, REAL **eivec, REAL *valre, REAL *valim, int *cnt)

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Define Documentation

#define MAXIT   50

Definition at line 10 of file feigen.cpp. Referenced by hqr2().

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Function Documentation

int balance (  int  n, REAL *  mat[], REAL  scal[], int *  low, int *  high, int  basis )  [static]

Definition at line 19 of file feigen.cpp. References ABS, basis(), f(), ONE, REAL, and SWAP. Referenced by eigen().

int balback (  int  n, int  low, int  high, REAL  scal[], REAL *  eivec[] )  [static]

Definition at line 173 of file feigen.cpp. References REAL, and SWAP. Referenced by eigen().

int eigen (  int  vec, int  ortho, int  ev_norm, int  n, REAL **  mat, REAL **  eivec, REAL *  valre, REAL *  valim, int *  cnt )

Definition at line 1141 of file feigen.cpp. References balance(), balback(), BASIS, elmhes(), elmtrans(), hqr2(), norm_1(), orthes(), orttrans(), REAL, VEKTOR, vmalloc(), vmcomplete(), vmfree(), and vminit(). Referenced by eigenValues().

int elmhes (  int  n, int  low, int  high, REAL *  mat[], int  perm[] )  [static]

Definition at line 234 of file feigen.cpp. References ABS, REAL, and SWAP. Referenced by eigen().

int elmtrans (  int  n, int  low, int  high, REAL *  mat[], int  perm[], REAL *  h[] )  [static]

Definition at line 311 of file feigen.cpp. References REAL. Referenced by eigen().

int hqr2 (  int  vec, int  n, int  low, int  high, REAL *  h[], REAL  wr[], REAL  wi[], REAL *  eivec[], int  cnt[] )  [static]

Definition at line 768 of file feigen.cpp. References ABS, hqrvec(), MACH_EPS, MAXIT, REAL, and SQRT. Referenced by eigen().

int hqrvec (  int  n, int  low, int  high, REAL *  h[], REAL  wr[], REAL  wi[], REAL *  eivec[] )  [static]

Definition at line 554 of file feigen.cpp. References ABS, comdiv(), MACH_EPS, REAL, SQR, TWO, and ZERO. Referenced by hqr2().

int norm_1 (  int  n, REAL *  v[], REAL  wi[] )  [static]

Definition at line 1057 of file feigen.cpp. References ABS, comabs(), comdiv(), ONE, REAL, and ZERO. Referenced by eigen().

int orthes (  int  n, int  low, int  high, REAL *  mat[], REAL  d[] )  [static]

Definition at line 372 of file feigen.cpp. References REAL, and SQRT. Referenced by eigen().

int orttrans (  int  n, int  low, int  high, REAL *  mat[], REAL  d[], REAL *  v[] )  [static]

Definition at line 470 of file feigen.cpp. References REAL. Referenced by eigen().

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