petsc-dev 2014-08-28
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SNESApplyNPC

Calls SNESSolve() on preconditioner for the SNES

Synopsis

#include "petscsnes.h"  
PetscErrorCode  SNESApplyNPC(SNES snes,Vec x,Vec f,Vec y)
Collective on SNES

Input Parameters

snes - the SNES context
x - input vector
f - optional; the function evaluation on x

Output Parameter

y -function vector, as set by SNESSetFunction()

Notes

SNESComputeFunction() should be called on x before SNESApplyNPC() is called, as it is with SNESComuteJacobian().

Keywords

SNES, nonlinear, compute, function

See Also

SNESGetNPC(),SNESSetNPC(),SNESComputeFunction()

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