Actual source code: gtype.c

petsc-3.4.4 2014-03-13
  2: /*
  3:      Provides utility routines for manulating any type of PETSc object.
  4: */
  5: #include <petsc-private/petscimpl.h>  /*I   "petscsys.h"    I*/

  9: /*@C
 10:    PetscObjectGetType - Gets the object type of any PetscObject.

 12:    Not Collective

 14:    Input Parameter:
 15: .  obj - any PETSc object, for example a Vec, Mat or KSP.
 16:          Thus must be cast with a (PetscObject), for example,
 17:          PetscObjectGetType((PetscObject)mat,&type);

 19:    Output Parameter:
 20: .  type - the object type

 22:    Level: advanced

 24:    Concepts: object type
 25: @*/
 26: PetscErrorCode  PetscObjectGetType(PetscObject obj, const char *type[])
 27: {
 31:   *type = obj->type_name;
 32:   return(0);
 33: }

 37: /*@C
 38:    PetscObjectSetType - Sets the object type of any PetscObject.

 40:    Not Collective

 42:    Input Parameters:
 43: +  obj - any PETSc object, for example a Vec, Mat or KSP.
 44:          Thus must be cast with a (PetscObject), for example,
 45:          PetscObjectGetType((PetscObject)mat,&type);
 46: -  type - the object type

 48:    Note: This does not currently work since we need to dispatch by type.

 50:    Level: advanced

 52:    Concepts: object type
 53: @*/
 54: PetscErrorCode  PetscObjectSetType(PetscObject obj, const char type[])
 55: {
 59:   SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP, "Cannot set the type of a generic PetscObject");
 60: }