tools/test/sort/regression/ref/test_numsf

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