def destroy_plan(plan):
    """Delete the given plan"""
    if isinstance(plan, Plan):
        del plan
    else:
        lib.fftw_destroy_plan(plan)
def destroy_plan(plan):
    """Delete the given plan"""
    if isinstance(plan,Plan):
        del plan
    else:
        lib.fftw_destroy_plan(plan)
 def __del__(self):
     lib.fftw_destroy_plan(self.plan)
 def __del__(self):
     lib.fftw_destroy_plan(self.plan)