for ($j=0.0; $j< 0.5; $j += 0.1) {
  $x = 147.0 + $j;
  print $x, "\t";
  print $x*100, "\t";
  $t = $x*100.0;
  $y = sprintf("%d", $t);
  print $t, "\t";
  print $y, "\n";
}