lis_esolver_get_residualnorm(3)

NAME
lis_esolver_get_residualnorm - get the relative residual norm for the specified eigenpair from the eigensolver

SYNOPSIS
#include "lis.h" LIS_INT lis_esolver_get_residualnorm(LIS_ESOLVER esolver, LIS_REAL *residual);

DESCRIPTION
Get the relative residual norm ||lx - Ax||_2/||lx||_2 for the specified eigenpair from the eigensolver.

INPUT

esolver
    The eigensolver

OUTPUT

residual
    The relative residual norm ||lx - Ax||_2/||lx||_2

EXIT STATUS
The following exit values are returned:

0   The process is normally terminated

unspecified
    An error occurred

SEE ALSO
lis(3)

http://www.ssisc.org/lis/