Fl_in    Fx_in   Trunc  Converg  Symm   rndUp   bits=4
 +0.70	  +11     +0      +1      +1      +1
 -0.70	  -11     -1      -1      -1      -1
 +1.40	  +22     +1      +1      +1      +1
 -1.40	  -22     -2      -1      -1      -1
 +1.50	  +24     +1      +2      +2      +2
 -1.50	  -24     -2      -2      -2      -1
 +2.50	  +40     +2      +2      +3      +3
 -2.50	  -40     -3      -2      -3      -2
