petsc-3.7.3 2016-07-24
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# KSPRegister

Adds a method to the Krylov subspace solver package.

### Synopsis

    #include "petscksp.h"
    PetscErrorCode  KSPRegister(const char sname[],PetscErrorCode (*function)(KSP))

Not Collective

### Input Parameters

| name_solver | - name of a new user-defined solver
| routine_create | - routine to create method context

### Notes

KSPRegister() may be called multiple times to add several user-defined solvers.

### Sample usage

       KSPRegister("my_solver",MySolverCreate);

Then, your solver can be chosen with the procedural interface via

        KSPSetType(ksp,"my_solver")

or at runtime via the option

        -ksp_type my_solver

### Keywords

KSP, register

### See Also

KSPRegisterAll(), KSPRegisterDestroy()

Level:advanced
Location: src/ksp/ksp/interface/itcreate.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages