File info:
  of groups:     1
  of variables:  4
  of attributes: 0
  time steps:    1 starting from 1
  file size:     43 KB
  bp version:    513
  statistics:    Min / Max / Avg / Std_dev

Group arrays:
  integer    /NX                  scalar = 10 
  integer    /NY                  scalar = 100 
  double     /var_double_2Darray  {10, 100} = 0 / 49.99 / 24.995 / 14.4338 
  integer    /var_int_1Darray     {10} = 0 / 49 / 24.5 / 14.4309 
