SNESGetFunction

Returns the vector where the function is stored.

#include "petscsnes.h"  
int SNESGetFunction(SNES snes,Vec *r,void **ctx,int (**func)(SNES,Vec,Vec,void*))

Not Collective, but Vec is parallel if SNES is parallel

snes - the SNES context

	r	- the function (or PETSC_NULL)
	ctx	- the function context (or PETSC_NULL)
	func	- the function (or PETSC_NULL)

SNES, nonlinear, get, function