petsc-3.11.2 2019-05-18
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SNESGetNPCFunction

Gets the function from a preconditioner after SNESSolve() has been called.

Synopsis

#include "petscsnes.h"  
PetscErrorCode SNESGetNPCFunction(SNES snes,Vec F,PetscReal *fnorm)
Collective on SNES

Input Parameters

snes -the SNES context

Output Parameter

F -function vector
fnorm -the norm of F

Keywords

SNES, nonlinear, function

See Also

SNESGetNPC(),SNESSetNPC(),SNESComputeFunction(),SNESApplyNPC(),SNESSolve()

Level

developer

Location

src/snes/interface/snespc.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages