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lis_esolver...esidualnorm(3) Lis Library Functionslis_esolver...esidualnorm(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/

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

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