SNESNGSGetTolerances#
Gets various parameters used in convergence tests for nonlinear Gauss-Seidel SNESNCG
Synopsis#
#include "petscsnes.h"
PetscErrorCode SNESNGSGetTolerances(SNES snes, PetscReal *atol, PetscReal *rtol, PetscReal *stol, PetscInt *maxit)
Not Collective
Input Parameters#
snes - the
SNES
contextatol - absolute convergence tolerance
rtol - relative convergence tolerance
stol - convergence tolerance in terms of the norm of the change in the solution between steps
maxit - maximum number of iterations
Note#
The user can specify NULL
for any parameter that is not needed.
See Also#
Level#
intermediate
Location#
Examples#
src/snes/tutorials/ex19.c
src/snes/tutorials/ex55.c
src/snes/tutorials/ex5.c
src/snes/tutorials/ex16.c
src/snes/tutorials/ex15.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages