NAME

lis_esolver_get_residualnorm - calculate the relative residual norm from the eigenvector

SYNOPSIS

subroutine lis_esolver_get_residualnorm(LIS_ESOLVER esolver, LIS_INTEGER *residual, LIS_INTEGER ierr);

DESCRIPTION

Calculate the relative residual norm ||lx - Ax||_2/l from the eigenvector x.

INPUT

esolver

The eigensolver

OUTPUT

residual

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

SEE ALSO

lis(3)

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