-1.4 to 1.4, no ndigit -1.49 to 1.49, no ndigit -0.064 to -0.025, ndigit=2 0.025 to 0.064, ndigit=2 -0.0064 to -0.0025, ndigit=3 0.0025 to 0.0064, ndigit=3 -649 to -250, ndigit=-2 250 to 649, ndigit=-2
