petsc-3.13.6 2020-09-29
SNESNewtonTRPreCheck
Called before the step has been determined in SNESNEWTONTR
Synopsis
#include "petscsnes.h"
static PetscErrorCode SNESNewtonTRPreCheck(SNES snes,Vec X,Vec Y,PetscBool *changed_Y)
Logically Collective on snes
Input Parameters
| snes | - the solver
|
| X | - The last solution
|
| Y | - The step direction
|
Output Parameters
changed_Y -Indicator that the step direction Y has been changed.
See Also
SNESNewtonTRSetPreCheck(), SNESNewtonTRGetPreCheck()
Level
developer
Location
src/snes/impls/tr/tr.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages