PETSc version 3.15.5
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