petsc-3.4.5 2014-06-29

SNESFunction

functional form used to convey the nonlinear function to be solved by SNES

#include "petscsnes.h"
SNESFunction(SNES snes,Vec x,Vec f,void *ctx);

	snes	- the SNES context
	x	- state at which to evaluate residual
	ctx	- optional user-defined function context, passed in with SNESSetFunction()

f -vector to put residual (function value)