KSPComputeOperatorsFn#

A prototype of a KSP evaluation function that would be passed to KSPSetComputeOperators()

Synopsis#

PETSC_EXTERN_TYPEDEF typedef PetscErrorCode(KSPComputeOperatorsFn)(KSP ksp, Mat A, Mat P, void *ctx);

Calling Sequence#

  • ksp - KSP context

  • A - the operator that defines the linear system

  • P - an operator from which to build the preconditioner (often the same as A)

  • ctx - [optional] user-defined function context

See Also#

SNES: Nonlinear Solvers, KSP, KSPSetComputeRHS(), SNESGetFunction(), KSPComputeRHSFn, KSPComputeInitialGuessFn

Level#

beginner

Location#

include/petscksp.h

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