KSPGuessRegister#
Registers a method for initial guess computation in Krylov subspace solver package.
Synopsis#
#include "petscksp.h"
PetscErrorCode KSPGuessRegister(const char sname[], PetscErrorCode (*function)(KSPGuess))
Not Collective
Input Parameters#
sname - name of a new user-defined solver
function - routine to create method context
Example Usage#
KSPGuessRegister("my_initial_guess", MyInitialGuessCreate);
Then, it can be chosen with the procedural interface via
KSPGetGuess(ksp, &guess);
KSPGuessSetType(guess, "my_initial_guess");
or at runtime via the option -ksp_guess_type my_initial_guess
Note#
KSPGuessRegister()
may be called multiple times to add several user-defined solvers.
See Also#
Level#
developer
Location#
src/ksp/ksp/interface/iguess.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages