SNESNewtonTRDCPreCheck#
Called before the step has been determined in SNESNEWTONTRDC
Synopsis#
#include "petscsnes.h"   
static PetscErrorCode SNESNewtonTRDCPreCheck(SNES snes, Vec X, Vec Y, PetscBool *changed_Y)
Logically Collective
Input Parameters#
- snes - the solver 
- X - The last solution 
- Y - The step direction 
Output Parameter#
- changed_Y - Indicator that the step direction - Yhas been changed.
See Also#
SNES: Nonlinear Solvers, SNES, SNESNEWTONTRDC, SNESNewtonTRDCSetPreCheck(), SNESNewtonTRDCGetPreCheck(), SNESNewtonTRDCPostCheck()
Level#
developer
Location#
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages