test-round.out

degenerate:
          0 -> 0
        NaN -> NaN
   Infinity -> Infinity
  -Infinity -> -Infinity

default:
      10.51 -> 11
      10.50 -> 11
      10.49 -> 10
       0.51 -> 1
       0.50 -> 1
       0.49 -> 0
      -0.51 -> -1
      -0.50 -> 0
      -0.49 -> 0
     -10.51 -> -11
     -10.50 -> -10
     -10.49 -> -10

precision 1:
      10.51 -> 10.5
      10.50 -> 10.5
      10.49 -> 10.5
       0.51 -> 0.5
       0.50 -> 0.5
       0.49 -> 0.5
      -0.51 -> -0.5
      -0.50 -> -0.5
      -0.49 -> -0.5
     -10.51 -> -10.5
     -10.50 -> -10.5
     -10.49 -> -10.5

precision 2:
      10.51 -> 10.51
      10.50 -> 10.5
      10.49 -> 10.49
       0.51 -> 0.51
       0.50 -> 0.5
       0.49 -> 0.49
      -0.51 -> -0.51
      -0.50 -> -0.5
      -0.49 -> -0.49
     -10.51 -> -10.51
     -10.50 -> -10.5
     -10.49 -> -10.49

precision -1:
     123.45 -> 120
     345.67 -> 350
    -123.45 -> -120
    -345.67 -> -350

precision -2:
     123.45 -> 100
     456.78 -> 500
    -123.45 -> -100
    -456.78 -> -500

precision -3:
     123.45 -> 0
     567.89 -> 1000
    -123.45 -> 0
    -567.89 -> -1000