SNESSetFunctionDomainError

tells SNES that the input vector, a proposed new solution, to your function you provided to SNESSetFunction() is not in the functions domain. For example, a step with negative pressure.

Synopsis

#include "petscsnes.h"  
PetscErrorCode SNESSetFunctionDomainError(SNES snes)

Logically Collective

Input Parameters

• snes - the SNES context

Note

You can direct SNES to avoid certain steps by using SNESVISetVariableBounds(), SNESVISetComputeVariableBounds() or SNESLineSearchSetPreCheck(), SNESLineSearchSetPostCheck()

See Also

SNESCreate(), SNESSetFunction(), SNESFunction, SNESSetJacobianDomainError(), SNESVISetVariableBounds(), SNESVISetComputeVariableBounds(), SNESLineSearchSetPreCheck(), SNESLineSearchSetPostCheck()

Level

advanced

Location

src/snes/interface/snes.c

Examples

src/ts/tutorials/ex10.c.html

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