#if (defined (ALLOW_HFLUX_CONTROL) defined (ALLOW_HFLUX0_CONTROL))
# ifdef ALLOW_HFLUX0_CONTROL
#if (defined (ALLOW_HFLUX_CONTROL) (defined (ALLOW_AUTODIFF_OPENAD) defined (ALLOW_HFLUX0_CONTROL)))
#elif (defined (ALLOW_HFLUX0_CONTROL))
#ifdef ALLOW_HFLUX0_CONTROL