IF ( useGGL90 ) THEN
IF (useGGL90) CALL GGL90_CHECK( myThid )
IF (useGGL90) CALL PACKAGES_CHECK_ERROR('GGL90', myThid)
IF (useGGL90) THEN
IF (useGGL90)
useVariableK = useKPP .OR. usePP81 .OR. useMY82 .OR. useGGL90
& useGGL90,
useGGL90=.FALSE.
IF (useGGL90 .AND. myIter.NE.nIter0 )
IF (useGGL90) CALL GGL90_READPARMS( myThid )
LOGICAL useGGL90
& usePP81, useMY82, useOPPS, useGGL90, useMATRIX,
IF (useGGL90) CALL GGL90_CALC_VISC(