PETSc version 3.15.5
KSPGetResidualNorm
Gets the last (approximate preconditioned) residual norm that has been computed. 
Synopsis
#include "petscksp.h" 
PetscErrorCode  KSPGetResidualNorm(KSP ksp,PetscReal *rnorm)
Not Collective
Input Parameters
|  | ksp | - the iterative context | 
Output Parameters
See Also
 KSPBuildResidual()
Level
intermediate
Location
src/ksp/ksp/interface/iterativ.c
Examples
src/ksp/ksp/tutorials/ex10.c.html
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages