petsc-3.7.5 2017-01-01
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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

Level:advanced
Location:src/sys/classes/draw/impls/null/drawnull.c
Index of all Draw routines
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Index of all manual pages