SNESSetFunctionType

Sets the SNESFunctionType of the SNES method.

Synopsis

#include "petscsnes.h"  
PetscErrorCode SNESSetFunctionType(SNES snes, SNESFunctionType type)

Logically Collective

Input Parameters

• snes - the SNES context

• type - the function type

Values of the function type:

• SNES_FUNCTION_DEFAULT - the default for the given SNESType

• SNES_FUNCTION_UNPRECONDITIONED - an unpreconditioned function evaluation (this is the function provided with SNESSetFunction()

• SNES_FUNCTION_PRECONDITIONED - a transformation of the function provided with SNESSetFunction()

Note

Different SNESTypes use this value in different ways

See Also

SNES: Nonlinear Solvers, SNES, SNESFunctionType, SNESGetNormSchedule(), SNESComputeFunction(), VecNorm(), SNESSetFunction(), SNESSetInitialFunction(), SNESNormSchedule

Level

developer

Location

src/snes/interface/snes.c

---

Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages