KSPMonitorSNESResidual#

Prints the SNES residual norm, as well as the KSP residual norm, at each iteration of a KSPSolve() called within a SNESSolve().

Synopsis#

#include "petsc/private/snesimpl.h"   
PetscErrorCode KSPMonitorSNESResidual(KSP ksp, PetscInt n, PetscReal rnorm, PetscViewerAndFormat *vf)

Collective

Input Parameters#

  • ksp - iterative context

  • n - iteration number

  • rnorm - 2-norm (preconditioned) residual value (may be estimated).

  • vf - The viewer context

Options Database Key#

Note#

This is not called directly by users, rather one calls KSPMonitorSet(), with this function as an argument, to cause the monitor to be used during the KSP solve.

See Also#

SNES: Nonlinear Solvers, SNES, KSPMonitorSet(), KSPMonitorResidual(), KSPMonitorTrueResidualMaxNorm(), KSPMonitor(), SNESMonitor(), PetscViewerAndFormat()

Level#

intermediate

Location#

src/snes/interface/snesut.c


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