petsc-3.13.6 2020-09-29

SNESNewtonTRGetPreCheck

Gets the pre-check function

#include "petscsnes.h"   
PetscErrorCode  SNESNewtonTRGetPreCheck(SNES snes, PetscErrorCode (**func)(SNES,Vec,Vec,PetscBool*,void*),void **ctx)

Not collective

snes -the nonlinear solver context

	func	- [optional] function evaluation routine, see for the calling sequence SNESNewtonTRPreCheck()
	ctx	- [optional] user-defined context for private data for the function evaluation routine (may be NULL)

intermediate