domain(-1, 0, 1).range(red, white, green):
         -1.0 -> rgb(255,0,0)
         -0.8 -> rgb(255,51,51)
         -0.6 -> rgb(255,102,102)
         -0.4 -> rgb(255,153,153)
         -0.2 -> rgb(255,204,204)
          0.0 -> rgb(255,255,255)
          0.2 -> rgb(204,230,204)
          0.4 -> rgb(153,204,153)
          0.6 -> rgb(102,179,102)
          0.8 -> rgb(51,153,51)
          1.0 -> rgb(0,128,0)

domain(-1, 0, 1).range(-100, 0, 10):
         -1.5 -> −150.000
         -1.0 -> −100.000
         -0.5 -> −50.000
          0.0 ->  0.000
          0.5 ->  5.000
          1.0 ->  10.000
          1.5 ->  15.000

domain([ 1.100, 1.000, 2.000, 3.000, 10.900 ]).nice():
   [ 1, 1, 2, 3, 11 ]

domain([ 123.100, 1.000, 2.000, 3.000,−0.900 ]).nice():
   [ 130, 1, 2, 3, -10 ]