petsc-3.13.6 2020-09-29
PetscObjectComposeFunction
Associates a function with a given PETSc object.
Synopsis
#include <petscsys.h>
PetscErrorCode PetscObjectComposeFunction(PetscObject obj,const char name[],void (*fptr)(void))
Logically Collective on PetscObject
Input Parameters
| obj | - the PETSc object; this must be cast with a (PetscObject), for example,
PetscObjectCompose((PetscObject)mat,...);
|
| name | - name associated with the child function
|
| fname | - name of the function
|
| fptr | - function pointer
|
Notes
To remove a registered routine, pass in NULL for fptr().
PetscObjectComposeFunction() can be used with any PETSc object (such as
Mat, Vec, KSP, SNES, etc.) or any user-provided object.
See Also
PetscObjectQueryFunction(), PetscContainerCreate() PetscObjectCompose(), PetscObjectQuery()
Level
advanced
Location
src/sys/objects/inherit.c
Examples
src/mat/tutorials/ex8.c.html
src/ksp/ksp/tutorials/ex73.c.html
Index of all Sys routines
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Index of all manual pages