NEURON
Functions | Variables
lanczos.c File Reference
#include <../../nrnconf.h>
#include <stdio.h>
#include <math.h>
#include "matrix.h"
#include "sparse.h"

Go to the source code of this file.

Functions

VEC * trieig (VEC *, VEC *, MAT *)
 
void lanczos (VEC *(*A_fn)(), void *A_params, int m, VEC *x0, VEC *a, VEC *b, Real *beta2, MAT *Q)
 
double frexp ()
 
double ldexp ()
 
static double product (VEC *a, double offset, int *expt)
 
static double product2 (VEC *a, int k, int *expt)
 
static int dbl_cmp (Real *x, Real *y)
 
VEC * lanczos2 (VEC *(*A_fn)(), void *A_params, int m, VEC *x0, VEC *evals, VEC *err_est)
 
void sp_lanczos (SPMAT *A, int m, VEC *x0, VEC *a, VEC *b, Real *beta2, MAT *Q)
 
VEC * sp_lanczos2 (SPMAT *A, int m, VEC *x0, VEC *evals, VEC *err_est)
 

Variables

static char rcsid [] = "lanczos.c,v 1.1 1997/12/04 17:55:31 hines Exp"
 

Function Documentation

◆ dbl_cmp()

static int dbl_cmp ( Real *  x,
Real *  y 
)
static

Definition at line 201 of file lanczos.c.

◆ frexp()

double frexp ( )

◆ lanczos()

void lanczos ( VEC *(*)()  A_fn,
void *  A_params,
int  m,
VEC *  x0,
VEC *  a,
VEC *  b,
Real *  beta2,
MAT *  Q 
)

Definition at line 50 of file lanczos.c.

◆ lanczos2()

VEC* lanczos2 ( VEC *(*)()  A_fn,
void *  A_params,
int  m,
VEC *  x0,
VEC *  evals,
VEC *  err_est 
)

Definition at line 214 of file lanczos.c.

◆ ldexp()

double ldexp ( )

◆ product()

static double product ( VEC *  a,
double  offset,
int *  expt 
)
static

Definition at line 117 of file lanczos.c.

◆ product2()

static double product2 ( VEC *  a,
int  k,
int *  expt 
)
static

Definition at line 164 of file lanczos.c.

◆ sp_lanczos()

void sp_lanczos ( SPMAT *  A,
int  m,
VEC *  x0,
VEC *  a,
VEC *  b,
Real *  beta2,
MAT *  Q 
)

Definition at line 307 of file lanczos.c.

◆ sp_lanczos2()

VEC* sp_lanczos2 ( SPMAT *  A,
int  m,
VEC *  x0,
VEC *  evals,
VEC *  err_est 
)

Definition at line 317 of file lanczos.c.

◆ trieig()

VEC* trieig ( VEC *  a,
VEC *  b,
MAT *  Q 
)

Definition at line 49 of file symmeig.c.

Variable Documentation

◆ rcsid

char rcsid[] = "lanczos.c,v 1.1 1997/12/04 17:55:31 hines Exp"
static

Definition at line 38 of file lanczos.c.