Creates a PETSc object of a particular class


#define PetscHeaderCreate(h, classid, class_name, descr, mansec, comm, destroy, view) \
  (PetscNew(&(h)) || PetscHeaderCreate_Private((PetscObject)(h), classid, class_name, descr, mansec, comm, (PetscObjectDestroyFunction)(destroy), (PetscObjectViewFunction)(view)) || PetscLogObjectCreate(h))

PETSC_EXTERN PetscErrorCode PetscComposedQuantitiesDestroy(PetscObject obj);
PETSC_EXTERN PetscErrorCode PetscHeaderCreate_Private(PetscObject, PetscClassId, const char[], const char[], const char[], MPI_Comm, PetscObjectDestroyFunction, PetscObjectViewFunction);
PETSC_INTERN PetscObjectId  PetscObjectNewId_Internal(void);

    PetscHeaderDestroy - Final step in destroying a PetscObject

    Input Parameters:
.   h - the header created with `PetscHeaderCreate()`


.seealso: `PetscHeaderCreate()`
#define PetscHeaderDestroy(h) (PetscHeaderDestroy_Private((PetscObject)(*(h)), PETSC_FALSE) || PetscFree(*(h)))

PETSC_EXTERN PetscErrorCode                PetscHeaderDestroy_Private(PetscObject, PetscBool);
PETSC_SINGLE_LIBRARY_INTERN PetscErrorCode PetscHeaderReset_Internal(PetscObject);
PETSC_EXTERN PetscErrorCode                PetscObjectCopyFortranFunctionPointers(PetscObject, PetscObject);
PETSC_EXTERN PetscErrorCode                PetscObjectSetFortranCallback(PetscObject, PetscFortranCallbackType, PetscFortranCallbackId *, void (*)(void), void *ctx);
PETSC_EXTERN PetscErrorCode                PetscObjectGetFortranCallback(PetscObject, PetscFortranCallbackType, PetscFortranCallbackId, void (**)(void), void **ctx);

PETSC_INTERN PetscErrorCode PetscCitationsInitialize(void);
PETSC_INTERN PetscErrorCode PetscFreeMPIResources(void);
PETSC_INTERN PetscErrorCode PetscOptionsHasHelpIntro_Internal(PetscOptions, PetscBool *);

/* Code shared between C and Fortran */
PETSC_INTERN PetscErrorCode PetscInitialize_Common(const char *, const char *, const char *, PetscBool, PetscBool, PetscInt);

#if PetscDefined(HAVE_SETJMP_H)
PETSC_EXTERN PetscBool PetscCheckPointer(const void *, PetscDataType);
  #define PetscCheckPointer(ptr, data_type) (ptr ? PETSC_TRUE : PETSC_FALSE)
    Macros to test if a PETSc object is valid and if pointers are valid
  #if !defined(PETSC_USE_DEBUG)

    #define PetscValidHeaderSpecific(h, ck, arg) \

Input Parameters#

  • classid - the classid associated with this object (for example VEC_CLASSID)

  • class_name - string name of class; should be static (for example “Vec”)

  • descr - string containing short description; should be static (for example “Vector”)

  • mansec - string indicating section in manual pages; should be static (for example “Vec”)

  • comm - the MPI Communicator

  • destroy - the destroy routine for this object (for example VecDestroy())

  • view - the view routine for this object (for example VecView())

Output Parameter#

  • h - the newly created object

See Also#

PetscHeaderDestroy(), PetscClassIdRegister()







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