tools/test/sort/regression/ref/test_numsg

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