tools/test/sort/regression/ref/test_numsbd

   1     123456789
   2   -123456789
   3   123456789
   4 123456789
   5     -1234567890
   6 -1234567890
   7     123456789.1234
   8   123456789.1234
   9     -987654321
  10     987654321
  11 -987654321
  12 987654321
  13   -987654321.2345
  14   987654321.7654
  15   987654321.765400
  16     -987654321.9876