PetscDrawIsNull#

Returns PETSC_TRUE if draw is a null draw object.

Synopsis#

#include "petscdraw.h" 
PetscErrorCode PetscDrawIsNull(PetscDraw draw, PetscBool *yes)

Not Collective

Input Parameter#

draw - the draw context

Output Parameter#

yes - PETSC_TRUE if it is a null draw object; otherwise PETSC_FALSE

See Also#

PetscDraw, PETSC_DRAW_NULL, PetscDrawOpenX(), PetscDrawIsNull()

Level#

advanced

Location#

src/sys/classes/draw/impls/null/drawnull.c

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