integer my_tile_j0(MAX_TILES)
& my_tile_j0,
if (Jo.ne.my_tile_j0(bibj)) stop 'comprecv_r8tiles: bad Jo'
if (Jo.ne.my_tile_j0(1)) stop 'comprecv_r8: bad Jo'
my_tile_j0(1)=j0
Jo=my_tile_j0(1)
r8buf(3)=float( my_tile_j0(bibj) )
if (Jo.ne.my_tile_j0(1)) stop 'comprecv_r4: bad Jo'
r4buf(3)=float( my_tile_j0(bibj) )
if (Jo.ne.my_tile_j0(bibj)) stop 'comprecv_r4tiles: bad Jo'
my_tile_j0(num_tiles)=ireg(4,bi,bj)
ibuf(4)=my_tile_j0(bibj)