15 #include "dimensions.h" 
   22       REAL rot( 
ip1jm,klevel )
 
   38          rot( ij,l )  =    y( ij+1 , l )  -  y( ij,l )   +
 
   39      *                   x(ij +iip1, l )  -  x( ij,l )  
 
   45         DO  ij = ijb+iip1-1, ije, iip1
 
   46          rot( ij,l ) = rot( ij -
iim,l )
 
!$Header llmm1 INTEGER ip1jmp1
 
!$Header llmm1 INTEGER ip1jm
 
subroutine rotat_nfil_p(klevel, x, y, rot)
 
c c zjulian c cym CALL iim cym klev iim