#ifdef NONLIN_FRSURF
# ifdef NONLIN_FRSURF
# if (defined NONLIN_FRSURF) (defined ALLOW_MOM_FLUXFORM)
# if (defined NONLIN_FRSURF) (defined ALLOW_DEPTH_CONTROL)
#if ( defined NONLIN_FRSURF defined ALLOW_SOLVE4_PS_AND_DRAG )
#if (defined NONLIN_FRSURF) !(defined DISABLE_RSTAR_CODE)
# if ((defined NONLIN_FRSURF) (defined ALLOW_DEPTH_CONTROL)) (defined ALLOW_GMREDI)