petsc-master 2019-12-03
Report Typos and Errors

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