function   row,variable
;The function row.pro finds the number of rows in a matrix.
;Use is as follows:
;     r=row(x)
;Where
;               x = matrix that # of rows is desired
;
;               r = # of rows of matrix x
;
;Related code: col.pro, siz.pro
;
;BWBerger 3/5/99
;

s=size(variable)
if (s(0) eq 1) then begin
  rows=1 
endif else begin
  rows=s(2)
endelse

return, rows
end