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#

  • rnorm - residual norm

See Also#

KSPBuildResidual()

Level#

intermediate

Location#

src/ksp/ksp/interface/iterativ.c

Examples#

src/ksp/ksp/tutorials/ex10.c.html


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Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages