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lis_esolver...esidualnorm(3)  Lis Library Functions lis_esolver...esidualnorm(3)

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

SYNOPSIS
     #include "lis.h"

     LIS_INT  lis_esolver_get_residualnorm(LIS_ESOLVER esolver, LIS_REAL *resid-
     ual);

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

INPUT
     esolverThe 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/

Man Page			   28 Aug 2014	    lis_esolver...esidualnorm(3)

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