SNESNewtonTRPreCheck

Runs the precheck routine

Synopsis

#include "petscsnes.h"   
PetscErrorCode SNESNewtonTRPreCheck(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 Y has been changed.

See Also

SNES: Nonlinear Solvers, SNESNEWTONTR, SNESNewtonTRSetPreCheck(), SNESNewtonTRGetPreCheck(), SNESNewtonTRPostCheck()

Level

intermediate

Location

src/snes/impls/tr/tr.c

---

Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages