Actual source code: gtype.c

petsc-main 2021-03-01
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  2: /*
  3:      Provides utility routines for manulating any type of PETSc object.
  4: */
  5: #include <petsc/private/petscimpl.h>

  7: /*@C
  8:    PetscObjectGetType - Gets the object type of any PetscObject.

 10:    Not Collective

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

 17:    Output Parameter:
 18: .  type - the object type

 20:    Level: advanced

 22: @*/
 23: PetscErrorCode  PetscObjectGetType(PetscObject obj, const char *type[])
 24: {
 28:   *type = obj->type_name;
 29:   return(0);
 30: }

 32: /*@C
 33:    PetscObjectSetType - Sets the object type of any PetscObject.

 35:    Not Collective

 37:    Input Parameters:
 38: +  obj - any PETSc object, for example a Vec, Mat or KSP.
 39:          Thus must be cast with a (PetscObject), for example,
 40:          PetscObjectGetType((PetscObject)mat,&type);
 41: -  type - the object type

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

 45:    Level: advanced

 47: @*/
 48: PetscErrorCode  PetscObjectSetType(PetscObject obj, const char type[])
 49: {
 53:   SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP, "Cannot set the type of a generic PetscObject");
 54: }